General Category > General Questions
That "Drivetrain Malfunction" message nearly gave me a heart attack
fortescuewilton:
VANOS issues tied to oil temp are sneaky because they genuinely can pass a cold diagnostic check. Did they mention if it was the intake or exhaust solenoid? Curious because I've heard the exhaust side tends to fail more often on the higher-mileage X5s, and I want to know what to watch for on mine.
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