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After the last track day I was getting some Camshaft sensor errors. New sensors are £180 each from BMW (and I need two). Hack and C3BMW are both suggesting to use Meyle at £24 each. I like the price difference and Meyle can be a good brand but have been stung by cheap sensors in the past...

I know there is various threads over the years on how to enable it but they all use various software which requires being downloaded from various dodgy sites / ebay vendors. I do have a copy of INPA and SSS Progman. Can I enable M track mode using any of them, or doing I need to go poking...

I’ve noticed that the back of the car can give a little shimmy under heavy acceleration when coming off a roundabout for example. I’ve seen it mentioned this could be the rear trailing arm bushes getting a bit soft with age and giving too much lateral movement? Has anybody else had this. Car...

What is the general consensus on what track alignment specs should be for the Z4M Coupe? My car is going in tomorrow to have my intrax coilovers setup. I will look for about 3 degrees negative camber on the front, as that is what I ran on my old M3 and that seemed to keep tyre wear sensible. A...

What is everyone using when working on the Z4M? Are people just buying a E46 3 series haynes and working out the details themselves or are people using these ebay workshop manual downloads? I know is been covered before on here, but I thought I would check if there was any specific advice for...

Who has tried fitting pole positions to their coupe? I have one spare so I was thinking of fitting it as part of my new track project however I’ve read they foul the door cards without some faffing. I was thinking of buying some macht schnell mounts (other suggestions welcome) but I wanted to...

I know this subject has no doubt been covered a million times, but I thought I would just play back my research and see if I had missed anything or anyone could add to the below. I am looking to put some coilovers on my Z4M track car project. Car will mainly be used for track days but will get...

Title says it all really. I am looking for an M coupe as a track car base. Probably looking at 100K miler for this kind of money, but I don’t really want to mess with a low mileage example if I can help it as it seems a bit of a waste. (Plus I have a low mileage 3.0 Coupe all ready in the...