eccentric shaft sensor replaced
2010 3.0 z4 with 45k miles.
For the last few months i noticed cold start shaking and random idle rpm's. finally got around to pulling the codes on it. here is a partial list:
2a47
2a32
2a31
2a37
2a34
2a33
2a35
2a36
2a1a
took it to the dealer and yes the oil got past the ring and into the sensor. that sensor is located in a not so easy spot so labor took almost all day. fortunately warranty covered it. unfortunately, i don't believe they have redesigned any of the parts so it will happen again at a later date. lots of threads on the internet about this sensor failure.
just an fyi, the above codes, even though there were multiple instances of them, never cause the check engine light or service light to come on.
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