Quote:
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Originally Posted by rngrjag
Quote:
Originally Posted by GBPackerfan1963
In the E39 M5, it was and still is an issue. Nothing that can't be coded out in the future.  |
I know the E39 M5 is expensive to operate and maintain long-term and has several known failures. This surprises me. Excessive carbon build-up is normally associated with Direct Injection motors as noted by another poster. The E39 M5 is not a DI motor is it? Why would there be excessive carbon build up?
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It has to do with the secondary air pump system in 2000 and some 2001's. Very expensive fix that is only temporary. Most owners get a third party tune that eliminates the SES light that the issue causes.