E39 M5 in Front of Autoscope Park Cities

BMW Engine Oil Leak

Age on any car, BMW included, requires a bit of a different approach to maintenance and repair.  

This 2000 BMW 528i has an engine oil leak coming from the valve cover gasket, which is not uncommon.  When this failure occurs leaks develop around the valve cover and since the valve cover is on top of the engine, everything below this can become saturated in oil if the leak is not repaired. 

At nearing 2 decades old, time and the repeated cycle of the engine heating up/cooling down can cause the rubber gaskets for the engine to harden, and no longer seal as they should, causing an oil leak.

BMW Engine Oil Leak (E39) 528iBMW Engine Oil Leak (E39) 528iBMW Engine Oil Leak (E39) 528iBMW Engine Oil Leak (E39) 528iBMW Engine Oil Leak (E39) 528iBMW Engine Oil Leak (E39) 528i
In this case, additional repairs were needed due to the oil saturation on the radiator hoses and oxygen sensors, which caused these items to fail.  A nasty by-product of this leak, is a very strong oil smell, as the flammable engine oil is leaking onto the extremely hot exhaust system and causes smoke.

Catching this leak early on, by periodically inspecting the vehicle on a lift during maintenance, would have avoided the additional repairs, and would have saved time and expense.

AUTOSCOPE has a 34 year history of locating, correcting, and monitoring oil leaks and can make recommendations on repairs of these leaks when required.

 If you have any questions, or need help with your BMW, please call us or make an appointment and we are happy to help.

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