Just rebuilt my son's 330ci zhp. Had 86k miles and was radling. Replaced 'o' rings, run like a champ now. It doesnt apear to be a problem like the...
Cam bolts Hi, just replaced cam bolts with new and inpoved bmw cam bolts!, Car is a 06 m3 with 23k miles. All were loose, with wear down to the root...
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