Hello there, I'm new to the M3's and am only learning the mechanics behind it, so forgive me if my knowledge is weak. Anyway, I've been having problem with my Euro E36 M3 (1994). It's running down on power and popping a lot out of the exhaust. I was told at one point it was the MAF, so I...

Hi, I have a 740i on an 'X' plate which is currently suffering with what sounds like an partial mis-fire (rough running). At idle the car runs rough and feels very lumpy inside the car. This is made worse when sitting in traffic and pulling away very lightly. When driving at speed or...