Quote:
Originally Posted by Dan
My old E46 M3 did it, my mates E46 M3 does it, my CSL does it, an independent said it was something to do with the gases flowing through the head? Whether that's accurate or not I don't know but it certainly seems the norm that these S54 engine's make that noise!
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Mine doesnt !!
... but it soon fookin will !!!!
