coolant oil leak on 1990 BMW 750iL

transmission oil in the coolant

by in North Port, FL on April 28, 2009
1 answer
ANSWER by on April 28, 2009
The 750 has a transmission oil cooler mounted in the radiator. Engine coolant is used to take heat away from the transmission oil. It is the most likely place foe transmission fluid and coolant to mix. Continuing to drive the car will destroy the transmission and damage the cooling system hoses.

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