Unfortunately heard this noise first time couple weeks ago, i was driving with window down and on low revs 1,5-1,7krpm, was something like regular tapping bouncing from fence, sounds like something was lose. check oil level was 1mm under max mark. after week or two we (me and m5) give wee show after that noise get stronger. no noise on cold engine whatsoever. then when she warm up at 2krpm gets like that:
sound come from left head between 2-3 cylinder, its quite strong, irregular.engine has new all new chains, wheels, rails etc 5k miles ago. vanos units seems ok. Car don't lose any power
sound come from left head between 2-3 cylinder, its quite strong, irregular.engine has new all new chains, wheels, rails etc 5k miles ago. vanos units seems ok. Car don't lose any power