My trip odometer is now up to varying by 40 miles in either direction. It just jumps all over the place. Though I guess I've never seen it go negative.
Thats a bit worrying, the trip meter is one of the few gauges that I actually trust on my M3W. It has always been fairly accurate, not the speedometer though as that has about 6% error. You would think that they would both be out but this doesn't seem to be the case. The mileage info from this is even recorded in the ECU for engine life.
