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Sunday, April 5, 2020
Home Blog A BMW 523i had issue related to auto transmission oil cooler

A BMW 523i had issue related to auto transmission oil cooler

Hi Everyone,

An estimate of 90% of automatic transmission failures are caused by transmission overheating. Overheating can almost always tell you that there is something wrong with the transmission fluid.

Transmission fluid is the life-blood to your transmission. It provides crucial functions such as cooling to the lubrication and regulates the pressure. Without enough transmission fluid or effective fluid, your transmission will start acting out.

The ideal fluid temperature is below 175 degrees, but as fluid ages it starts to break down and lose its capacity to cool down the transmission. This is when transmission overheating occurs.

According the BMW, the auto-transmission oil that comes with their cars lasts a lifetime and does not require replacement.

However, according to ZF, the manufacture of BMW gearbox recommends to replace auto transmission fluid depending on individual driving styles. For example, some drive at high speeds or sport driving.

ZF therefore recommends transmission oil change at every 100,000 km or after 8 years at the latest.

It’s a dilemma as to whom we should follow!

We hope you will enjoy viewing the following pictures.

A BMW 523i had issue related to auto transmission oil cooler which was quickly resolved by the expertise of our professional mechanics.

In this case, we discovered a worn out auto transmission cooler which lead to contamination of coolant and auto transmission fluid. If this issue had been left unnoticed for a longer period of time, the gearbox overhaul would have been inevitable.


 

We lifted the BMW 523i to carry out the transmission cooler work followed by a routine undercarriage safety inspection and preventive maintenance.


 

Other conditions such as low fluid level can also cause your transmission to overheat. More often than not, when a transmission overheats, it can go undetected until the trouble symptoms begin to show up. By then, the damage has occurred and a replacement is normally needed.


 

Signs of the auto transmission fluid have been mixed with coolant.


 

Inside the plastic contain shows the discharged cloudy colored fluid which confirmed that the auto transmission fluid had been contaminated with the coolant


 

After all the repair works have been professionally accomplished, we provide a complimentary car wash and vacuuming of the interior.

Preventive maintenance is always better than repair. It is important to understand about wear and tear before the components break down totally.

If you have any issue in any part of your car, do feel free to contact us. We will always serve you with the best of your interest!

Thanks for reading!

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