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107 degrees fever. 107 Degree Fever: Understanding High & Low Grade Fevers and Effective Reduction Techniques

by alexxlab

What are the key differences between high and low grade fevers. How can you effectively reduce a fever at home. When should you seek medical attention for a fever. What are the common causes and symptoms associated with fevers. How do doctors diagnose and treat fevers. What are the risk factors and potential complications of fevers.

Understanding Fever: Definition and Types

Fever is a common physiological response to various underlying conditions, primarily infections. It’s characterized by an elevation in body temperature above the normal range. But what exactly constitutes a fever, and how do we differentiate between low and high-grade fevers?

A normal body temperature typically ranges from 97°F (36.1°C) to 99°F (37.2°C). Generally, a temperature above 100.4°F (38°C) is considered a fever. Fevers can be categorized as follows:

  • Low-grade fever: 100.4°F to 102.2°F (38°C to 39°C)
  • Moderate-grade fever: 102.2°F to 104°F (39°C to 40°C)
  • High-grade fever: Above 104°F (40°C)

A temperature of 107°F (41.7°C) is considered extremely high and potentially life-threatening. It’s crucial to understand that the severity of a fever doesn’t always correlate with the seriousness of the underlying condition.

Common Causes of Fever: From Infections to Inflammatory Conditions

Fevers can arise from various sources, with infections being the most common culprit. Here’s a breakdown of potential causes:

Infectious Causes

  • Viral infections (e.g., flu, common cold, COVID-19)
  • Bacterial infections (e.g., strep throat, urinary tract infections)
  • Parasitic infections (e.g., malaria)
  • Fungal infections

Non-Infectious Causes

  • Autoimmune disorders (e.g., lupus, rheumatoid arthritis)
  • Medications (drug-induced fever)
  • Cancers (particularly blood cancers like leukemia)
  • Heat exhaustion or heat stroke
  • Hormonal imbalances (e.g., thyroid disorders)

Is it possible for emotional stress to cause a fever? While stress itself doesn’t directly cause fever, it can weaken the immune system, making you more susceptible to infections that may lead to fever.

Recognizing Fever Symptoms: Beyond Elevated Temperature

While an elevated body temperature is the primary indicator of a fever, it’s often accompanied by other symptoms. These may include:

  • Chills and shivering
  • Sweating
  • Headache
  • Muscle aches
  • Fatigue and weakness
  • Loss of appetite
  • Dehydration
  • Irritability

Can fever symptoms vary depending on the underlying cause? Indeed, the specific combination and severity of symptoms can often provide clues about the fever’s origin. For instance, a fever accompanied by a sore throat and swollen lymph nodes might suggest a bacterial infection like strep throat, while a fever with a runny nose and cough could indicate a viral respiratory infection.

Diagnosing Fever: Medical Approaches and Home Assessment

Accurate diagnosis of a fever involves more than just measuring body temperature. Healthcare professionals employ various methods to determine the cause and severity of a fever:

Temperature Measurement

Different methods of temperature measurement include:

  • Oral thermometers
  • Rectal thermometers (most accurate, especially for infants)
  • Ear (tympanic) thermometers
  • Forehead (temporal artery) thermometers

Medical History and Physical Examination

A doctor will typically:

  • Ask about recent travel, medications, and other symptoms
  • Perform a physical exam to check for signs of infection or inflammation

Laboratory Tests

Depending on the suspected cause, tests may include:

  • Blood tests (complete blood count, blood cultures)
  • Urine tests
  • Throat swabs
  • Imaging studies (X-rays, CT scans)

How can you accurately measure fever at home? For adults and older children, an oral digital thermometer is generally reliable. Ensure you haven’t eaten or drunk anything hot or cold for at least 15 minutes before taking your temperature. For infants and young children, a rectal thermometer provides the most accurate reading, though forehead thermometers are a less invasive alternative.

Treating Fever: From Home Remedies to Medical Interventions

The treatment approach for fever depends on its severity, underlying cause, and the individual’s overall health. Here are some strategies:

Home Remedies

  • Rest and hydration
  • Cool compresses or lukewarm baths
  • Lightweight clothing and breathable bedding
  • Over-the-counter fever reducers (acetaminophen, ibuprofen)

Medical Treatments

  • Antibiotics for bacterial infections
  • Antiviral medications for certain viral infections
  • Treatment of underlying conditions (e.g., autoimmune disorders)
  • Intravenous fluids for severe dehydration

Should you always try to lower a fever? Not necessarily. Fever is part of the body’s natural defense mechanism against infections. Mild to moderate fevers (up to 102°F or 39°C) in otherwise healthy individuals often don’t require treatment beyond comfort measures. However, high fevers or those in vulnerable individuals (very young, elderly, or immunocompromised) may need more aggressive management.

Risk Factors and Complications: When Fever Becomes Concerning

While fever is often a benign and self-limiting condition, certain factors can increase the risk of complications:

Risk Factors

  • Age (very young children and elderly adults)
  • Compromised immune system
  • Chronic medical conditions
  • Recent travel to areas with endemic infectious diseases
  • Medications that affect the immune system

Potential Complications

  • Dehydration
  • Febrile seizures (in young children)
  • Hallucinations
  • Heatstroke (in cases of very high fever)

When should you seek immediate medical attention for a fever? If the fever is accompanied by severe headache, stiff neck, confusion, difficulty breathing, or persistent vomiting, seek emergency care. Additionally, any fever above 104°F (40°C) warrants prompt medical evaluation.

Fever Prevention: Strategies for Reducing Risk

While not all fevers can be prevented, certain measures can reduce the risk of developing fever-inducing conditions:

Hygiene Practices

  • Regular handwashing
  • Avoiding close contact with sick individuals
  • Proper food handling and preparation

Vaccination

  • Keeping up-to-date with recommended immunizations
  • Getting annual flu shots

Lifestyle Factors

  • Maintaining a healthy diet
  • Regular exercise
  • Adequate sleep
  • Stress management

Can certain foods or supplements help prevent fevers? While no specific food or supplement can directly prevent fevers, maintaining a balanced diet rich in vitamins and minerals can support overall immune function. Foods high in vitamin C, zinc, and probiotics may be particularly beneficial for immune health.

Special Considerations: Fever in Different Populations

The approach to fever management can vary depending on the individual’s age and health status:

Infants and Young Children

Fever in infants under 3 months old is considered a medical emergency and requires immediate evaluation. For older infants and children, fever is generally less concerning but should be monitored closely. Febrile seizures, while frightening, are usually harmless and don’t cause long-term effects.

Elderly Adults

Older adults may not develop fever as readily as younger individuals, even when fighting infections. Conversely, they may be more susceptible to complications from high fevers. Any significant change in body temperature in an elderly person warrants medical attention.

Immunocompromised Individuals

People with weakened immune systems, such as those undergoing chemotherapy or living with HIV, may develop fever more easily and are at higher risk for serious infections. Even a low-grade fever in these individuals should be evaluated promptly.

How does pregnancy affect fever management? Pregnant women should avoid taking certain fever-reducing medications, particularly in the first trimester. Acetaminophen is generally considered safe, but it’s crucial to consult with a healthcare provider before taking any medication during pregnancy.

Understanding Fever of Unknown Origin (FUO)

A fever of unknown origin (FUO) is a persistent fever that defies diagnosis despite extensive evaluation. FUO is typically defined as:

  • Temperature above 38.3°C (101°F)
  • Lasting for more than three weeks
  • No identified cause after one week of intensive investigation

FUO can be classified into several categories:

Classic FUO

This type occurs in otherwise healthy individuals and may be caused by conditions such as:

  • Infections (e.g., tuberculosis, endocarditis)
  • Malignancies (e.g., lymphoma)
  • Autoimmune disorders (e.g., Still’s disease)

Nosocomial FUO

This refers to unexplained fevers that develop in hospitalized patients, often due to:

  • Hospital-acquired infections
  • Drug reactions
  • Venous thromboembolism

Immune-deficient FUO

This type affects individuals with compromised immune systems and may be caused by:

  • Opportunistic infections
  • Malignancies
  • Drug reactions

HIV-associated FUO

This category specifically pertains to unexplained fevers in individuals with HIV/AIDS. Potential causes include:

  • Opportunistic infections
  • HIV-related malignancies
  • Drug reactions to antiretroviral therapy

How is FUO diagnosed and managed? Diagnosing FUO often involves a comprehensive approach, including detailed medical history, physical examination, laboratory tests, imaging studies, and sometimes invasive procedures like biopsies. Management typically focuses on treating the underlying cause once identified, while providing supportive care to manage symptoms.

Advances in Fever Management: New Technologies and Approaches

The field of fever management is continually evolving, with new technologies and approaches emerging:

Wearable Temperature Monitors

Continuous temperature monitoring devices allow for real-time tracking of body temperature, potentially providing earlier detection of fever onset and more accurate monitoring of fever patterns.

Targeted Antipyretic Therapies

Research is ongoing into more specific fever-reducing medications that target the body’s temperature regulation mechanisms without affecting other physiological processes.

Artificial Intelligence in Diagnosis

AI algorithms are being developed to analyze patterns in fever and associated symptoms, potentially aiding in faster and more accurate diagnosis of underlying conditions.

Personalized Fever Management

Emerging approaches consider individual factors such as age, overall health status, and genetic predisposition to tailor fever management strategies.

How might these advancements change our approach to fever in the future? As technology progresses, we may see a shift towards more personalized and proactive fever management. Continuous monitoring could allow for earlier intervention, while AI-assisted diagnosis might help identify underlying causes more quickly and accurately. However, it’s important to balance technological advancements with clinical judgment and patient-centered care.

In conclusion, understanding fever – its causes, symptoms, diagnosis, and management – is crucial for both healthcare professionals and the general public. While fever can be a sign of serious underlying conditions, it’s often a normal and even beneficial response of the body to infection. By recognizing when a fever requires medical attention and knowing how to manage it effectively at home, we can ensure better health outcomes and peace of mind.

Fever FAQs



Written by: Bronwen Watson


Reviewed by: Dr Tamlyn Maree

  • Fever (Temperatures)

  • Common causes and types of fever

  • Signs and symptoms associated with fever

  • Diagnosing and treating fever

  • Risk factors and common complications of fever

  • Fever FAQs

Can fever be prevented?

Fever as a result of an infectious condition can be dramatically reduced in the following ways:

      • Hygiene habits: Regular handwashing before eating, or after petting animals or using the toilet is vitally important when it comes to viral and bacterial infections. Handwashing throughout the day in between using public transportation or touching various surfaces is also a good idea, especially if you are around someone who is unwell. It is also very important to teach children healthy handwashing habits. You can also get into the habit of carrying hand sanitisers or antibacterial wipes with you if areas you frequent are not effectively hygienic or clean.

      • Be mindful of virus transmission: If you are around someone who is unwell with an infectious condition, it is a good idea to be mindful of touching your nose, mouth or eyes. Infections are typically spread this way. If you, yourself are down with an infection, you can be mindful of spreading it when you cough or sneeze. You can also be mindful of sharing eating utensils, hygiene products, towels, clothing, water bottles or cups.

      • Ensure you are properly immunised: Ensuring that you are immune to various diseases or infectious conditions can also go a long way in preventing fevers which can be complex or become serious. If you are travelling, appropriate vaccinations and preventative medications will help reduce any risk.

      • Be mindful of strenuous exercise: If you’re active and enjoy a little strenuous exercise activity, ensure that you are sufficiently hydrated, take frequent breaks, wear cool clothing that is not restrictive or that encourages your body to overheat, as well as cool down effectively after your workout.

      • Refrain from excessive use of alcohol and illicit drugs

What is a ‘fever of an unknown origin’?

It can happen that a distinctive cause of fever is unknown, even after extensive testing. When fever peaks at 38.3 degrees Celsius (101 degree Fahrenheit) and persists for more than 3 weeks or occurs frequently without any apparent explanation, a doctor may classify this as a ‘fever of unknown origin’ (FUO).

An FUO can be classified as:

      • Classic: An unexplained fever that lasts 3 weeks can be classified as a classic FUO. This type of fever is commonly seen in previously healthy individuals as a result of conditions such as leukaemia or diseases that affect connective tissue in the body.

      • Nosocomial: This type of FUO is typically seen with individuals who have been hospitalised for something unrelated. The fever that develops is not likely caused by what they were admitted for and appears to be unexplained.

      • Immune-deficient: This classification type generally affects those with already compromised or weakened immune systems and whom are at increased risk of infection. This can affect individuals who are already treating a condition affecting the immune system or going through a treatment process, such as chemotherapy.

      • HIV-associated: The condition of HIV itself can cause fevers in a sufferer. A weakened immune system can make a person more susceptible to other infections and fevers which may be unexplained, however.

FUO causes

A doctor may diagnose a fever as an FUO, but is likely to continue trying to determine an underlying cause. This is one reason why a doctor will look for specific elements (along with other symptoms which may provide clues) so as to classify a FUO as they go through steps to try and determine a cause. Once a doctor recognises a classified FUO type, he or she may look for signs that help narrow down possible causes. These categories can possibly point to:

      • Infections (such as tuberculosis, Lyme disease, or cat scratch fever)

      • Inflammation (such as lupus or rheumatoid arthritis)

      • Malignancy (such as pancreatic carcinoma or lymphoma)

      • Miscellaneous (as a result of illicit drug use or conditions such as hepatitis, hyperthyroidism or others that don’t relate to any other category classification)

Clinical tests are likely to happen as a process of elimination to rule out possibilities as well as to try and determine a cause. It can sometimes happen that an otherwise undiagnosed condition is discovered through a testing process for a FUO and ultimately produces a clear result as to why the fever occurred in the first place. Tests can include culture tests (urine, sputum and blood), and imaging tests (X-rays or endocardiograms).

Any recommended treatment will largely depend on the cause (if found). Sometimes a FUO resolves itself eventually. Your doctor will guide you as to the best way to handle the fever and help to effectively treat any other red flag symptoms that may occur. Medications, such as NSAIDS (non-steroidal anti-inflammatory) and antihistamines may be prescribed to help reduce a fever, even if an underlying cause is not determined. Antibiotics may be prescribed where a FUO is suspected as having originated from an immune-deficient related cause.

Sometimes a cause is never diagnosed. In all cases, a person will be carefully monitored and treated by medical professionals so as to effectively clear a fever.

What is a ‘febrile seizure’ and how does an elevated temperature in children cause it?

A complication for young children (often between the ages of 6 months to 6 years), a febrile seizure can occur when a child’s body temperature increases rapidly (rising too quickly or spikes). Febrile seizure is also known as a febrile fit or febrile convulsion.

Children who develop ear infections or respiratory viruses such as the common cold can sometimes experience febrile seizures. It can also happen that children who develop more serious conditions, such as pneumonia and kidney infections can also experience rapid body temperature increases. Seizures can occur on the same day a fever develops.

Seizures which happen as a result can be classified as:

      • Simple febrile seizures: These last between 5 and 15 minutes and typically don’t occur again within a 24-hour period. A seizure (a generalised tonic-clonic seizure) affects the entire body, whereby stiffening occurs and limbs twitch. A child may lose consciousness but their eyes can remain open during a seizure. Breathing can also become irregular and vomiting and defecation can occur.

      • Complex febrile seizures: A seizure can last for a longer period of time and recur. These typically only affect a portion of the body, but can be more serious than a simple febrile seizure.

As frightening as it can be to witness a child experiencing a seizure, this fever-induced complication does not typically result in an ongoing problem. With prompt medical assistance, a child can be effectively treated and their body temperature sufficiently controlled until well again.

Diagnosing and treating fever



Written by: Bronwen Watson


Reviewed by: Dr Tamlyn Maree

  • Fever (Temperatures)

  • Common causes and types of fever

  • Signs and symptoms associated with fever

  • Diagnosing and treating fever

  • Risk factors and common complications of fever

  • Fever FAQs

Determining the presence of fever is not too difficult and can be easily measured. Finding and diagnosing an underlying cause can sometimes be somewhat tricky, depending on the nature of what brought on the fever in the first place (i.e. a fungus or bacteria).

How is a fever diagnosed?

At a consultation, your doctor will likely ask a series of questions to try and determine possible causes or rule out any potential reasons for elevated body temperature. It is important that you answer any and all questions as openly and honestly as possible, so as to assist your doctor in being able to make an accurate diagnosis. This ultimately ensures that you receive the most effective treatment plan.

Questions you may be asked can include:

      • When did you first notice symptoms, including fever? (how long ago did you start feeling unwell?)

      • Are you experiencing any other symptoms?

      • Would you describe all of your or your baby / child’s symptoms as mild or severe?

      • Have you or your baby / child recently been around anyone who has been unwell or ill?

      • Have you tried to measure your or your child / baby’s temperature?

      • If yes, how did you go about this?

      • Do you know what the temperature of the environment was where you measured this?

      • Did you take any known fever-relieving medications or give any to your baby or child?

      • Have you taken anything or given your baby / child something that has seem to improve or worsen symptoms?

      • Do you or your baby / child have any other known medical conditions?

      • Are you or your baby / child currently taking any medications or supplements?

      • Have you or your baby / child recently undergone a surgery?

      • Have you or your baby / child recently travelled (locally or abroad)?

      • Have you or your baby / child recently been exposed to animals, such as livestock?

      • Do you or your baby / child have any known allergies?

From there a doctor will request a physical exam to better assess your symptoms, as well as check your overall condition and note any relevant findings. Your doctor will take your temperature and note its classification type. If necessary, he or she will recommend tests to help rule out or diagnose a suspected underlying cause of fever. Tests can include blood tests (to measure white blood cell count) or a chest X-ray.

Other tests which may be recommended include:

      • A throat swab for strep culture

      • Blood culture

      • Sputum (mucus) sample

      • Urine culture or analysis

      • Stool (faeces) sample

      • A lumbar puncture or spinal tap

      • A CT scan

      • Liver function test

      • Thyroid function test

      • Endoscopy

If a baby, especially a new-born that is less than a month old, is being evaluated, it is highly likely that your doctor will admit the little one to hospital for careful monitoring, testing and treatment.

Treatment for fever

The nature of treatment will depend on the determined cause of fever. A general low-grade fever may not be given a recommended treatment plan. In some instances, treating a low-grade fever can lead to prolonging an illness or masking other symptoms. In this way, a cause may not be easily determined or treated.

Intermediate and high-grade fevers may be treated in the following ways, depending on the nature of the cause:

      • Medications (over-the-counter or prescription – NSAIDS and paracetamol): Your doctor may recommend medications (over-the-counter at the pharmacy or prescribed non-steroidal anti-inflammatory or paracetamol medications) to help alleviate fever and reduce body temperature to its normal baseline state. Your doctor will give you very specific doses and use procedures, which should be followed exactly as prescribed so as to minimise risk of side-effects (some side-effects and overdoses can lead to serious health complications and even death). Aspirin-based medications will only be recommended for adults. Aspirin should never be given to children or teenagers (under 18 years of age) suffering from viral infections as it can lead to a rare, but potentially life-threatening condition known as Reye’s syndrome. Antibiotics may be prescribed if the underlying cause of fever is found to be bacterial. Antibiotics prescribed will be specific to the type of bacterium in the body. If the cause is due to a virus in the body, antiviral medications may likely be prescribed, along with recommendations of plenty of rest and fluids. If the underlying cause is a fungus, antifungal medication will be prescribed. If an infant is being diagnosed, it is likely that a little one will be given intravenous medications (through an IV line) and round-the-clock care in hospital. Fever that is found to have occurred as a result of medication or drug use will be treated with a discontinuation of the particular substance.

      • Fluids: A doctor will also likely recommend plenty of fluids and rest. The intake of liquids is important to prevent the occurrence of dehydration. If you or your child are unconscious or unable to receive fluids orally, a doctor will administer an IV line.

      • Hospitalisation: Some bacterial infections, existing medical conditions or immune-resisting illnesses or a blot clot causing fever may likely require admission to hospital and careful monitoring. A person with fever due to environmental heat exposure will also require urgent hospitalisation to be treated with aggressive cooling methods. In this instance, vital signs and organs will be meticulously monitored to control a hyperthermia fever, and lower body temperature safely.

Treating a fever at home

A low-grade fever, accompanied by other mild symptoms can easily be resolved with a little bed rest (avoiding activity that elevates body temperature) and plenty of cool fluids (water, juices or broth).

Hydration solutions containing proportioned water and salts can also help to replenish a dehydrated body. If your doctor sends you home, you can help things along and treat elevated body temperature by:

      • Sponging yourself with lukewarm water or use a cool compress on the body’s pulse points (chest, arms, forehead, torso and legs) every 10 to 15 minutes (or when you feel that the cloth you are using is warming up).

      • Taking baths with cool or lukewarm water – It is best to take care not to make yourself feel physically uncomfortable. If baths make you shiver, this will work against you and cause your body temperature to start increasing.

      • Ensuring that the room you are resting in is at a comfortable temperature.

      • Sleep with a light blanket or sheet.

      • Dress in light clothing.

Is a follow-up appointment with the doctor necessary?

Low-grade fevers with mild symptoms typically clear with appropriate treatment over the course of a few days. A doctor may request a follow-up appointment to ensure that the underlying cause is completely cleared. Depending on the nature of the underlying cause, a doctor may request that you return for a check-up within a few days or weeks following your initial consultation.

During treatment, you may find that symptoms and fever don’t clear. If your fever persists with treatment, for longer than 3 days, or if you still have a fever for longer than a week without medicinal treatment, consult your doctor again.

A follow-up will be most important for those with existing conditions, such as cancer, or those who are experiencing fever due to an infectious or medication-induced cause, or hormone problem. Relapses are common and repeat treatment, or even hospitalisation, may be required.

Attention, temperature! Practice …: bmwservice – LiveJournal

One of the important parameters of the engine’s life, to which I constantly draw attention, is the operating temperature. Much has been said here in the past about this. Measures to optimize the thermal regime are obvious, today I will tell you what exactly I managed to do using the example of my particular car. And it’s somehow strange when you theorize about the terrible 115 degrees of coolant and 120-130C of oil (owners of the BMW N46 and N63 and many others), but I myself kind of hide it. You never know, maybe I have even more)

So, what do I advise, if it is structurally possible (in my case, almost everything possible is just possible):

1. Washing radiators, including oil – ideally, if once a season. Here, I think, everything is clear and without comments.
2.Setting a low temperature control mode (in simple cars – it is solved simply by setting a “cold” thermostat). My regular catalyst “95” was replaced by “80”. This is a very big difference.
3. Installation of a main pump with improved performance, or a “cold” pulley of a smaller diameter, which increases the speed of the pump. I have a “hot climate” pulley installed.
The pump is spinning faster. The circulation is better.
4.Installation of an additional electric pump of greater capacity – a pump of greater capacity has been installed. Works constantly. Additionally improves circulation at idle.
5.Installation of an air conditioner fan of an improved design – a fairly powerful fan with a large number of blades was found. Works constantly. Especially useful in summer, of course.
6. Use of antifreeze additives that improve circulation (prevent cavitation near the pump impeller). Like Motul MoCool. Type easy “tuning” of antifreeze.
7. In the summer I try to ride on the water, although this is not so necessary – I just did it as an experiment. I still manage to snatch a couple of degrees …

The results obtained are as follows:

In the traffic jam-city mode, the coolant temperature fluctuates in the range of 84-86 degrees, in the summer I saw 88-89, but then not everything was done, but it is unlikely to be higher .
On the highway, you can reach the level of 82-83 degrees, if you keep the cruising speed and low speed…0002

And so in dynamics:

The situation with oil is much more interesting. While driving without any “tuning” with a hot thermostat and the coolant temperature reached typical BMW-shnyh 105-107 degrees and above, I did not measure the oil temperature. I don’t know what she was then. Expectedly worse than now. Now I made a number of measurements in different winter-summer conditions. Measured with a mercury laboratory thermometer when sampling in the laboratory. I also measured with a thermocouple in the crankcase. And in a traffic jam and after annealing along the Moscow Ring Road. Always approximately these numbers are obtained:

Or:

The median is around 65 degrees Celsius, I guess.

In total, now the engine operating conditions (coolant temperature) are close to optimal-ideal for operation of 85-90 C. In this case, you can safely drive on the 95th.
For engine oil, a paradise in the crankcase has been created in general – constantly no more than 65 degrees and as much as 8 liters in the crankcase …

I don’t know below, is it real? And is it necessary? Let me remind you that every 10 degrees after a temperature of 70C double the rate of chemical reactions.
I have not even overcome this conditional threshold. And certainly not to compare with the “heavy” versions of engines such as N46, N63 and so on, where the oil in the cork boils far beyond 120 degrees sometimes.
Or so. In other words, almost all modern engines sometimes exceed 100.

For example, a fresh Audi A8 and its oil temperature:

background of the usual “environmentally friendly” X6. Fifteen degrees difference allows the “M” modification to reach thousands of up to 100,
what an ordinary X6 with N63 does not even dream of… The measurement was taken in the summer.

Here is the BMW M54B25 “viburnum” with euro-2 in the E39 body – the last relatively “cold” motor, adjusted for winter measurement at -15:

“washed” BMW X6 after overhaul – all radiators are perfectly clean,
without annealing – pure idling. In summer, 15 … 9 degrees can be added to such values ​​\u200b\u200bon this particular motor0004

And so on)

There is only one noticeable negative – slow warming up of the interior at idle. The stove does not particularly spit – you can’t get boiling water, but even at -20 there is no particular discomfort.

Thank you for your attention.

Pro engine and oil temperature

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