Thread: Anyone heard of a timing chain issue in the S63 engine?
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      06-20-2014, 09:46 PM   #3
upstate650
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Quote:
Originally Posted by jzbm3
BMW has notoriously noisy injectors, which can have a certain 'chattering' sound. Not sure if this is what you're hearing though...

PS - S63, not S54.
Yeah, realized that but can't change it while mobile!
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