Quote:
Originally Posted by grumps
Mine to has this noise and it has had a replacment vanos! i have noticed it more of late mileage is 48k.
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They immediately ruled out vanos since the issue was only apparent at 3000rpms. Vanos is noticeable at all rpm's - even at idle and the sound is different. They told me vanos issues sound like a can of marbles being shaken.
Anyway, they tell me it's normal for this engine. Still, it _does_ sound like there's something wrong with the engine and I was 90% sure they'd tell me they wanted to change the vanos.
Make no mistake. I'm definitely a fan of the S54 over the newer M3's S65B40, but that V8 is definitely smoother and less grumpy through the revs.