Quote:
Originally Posted by WampumD
My 2011 M57 w/ 82,000mi just started popping the 4580 intermittently when backing off throttle at lower speeds, particularly when cruising at 30mph and letting off the throttle in a descent. If I keep the speed and throttle higher (i.e. drive more aggressively) I can go engine start to stop without getting the light. On average, the car gives me a 4580 about 1/3 commutes, which last about 22 minutes, and almost always in the previously mentioned parameters.
I saw the mx write-up for troubleshooting, but a lot of those processes seem above my skill level or require several special tools. Any recommendations for "most likely" cause I can test for easily, or should I just bring it to a trusted shop and cough up the cash?
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Replacing vacuum lines doesnt require any special tools