Question about 2007 BMW 320i E90
Cam chain noise on start up and deceleration. Have changed over solenoids and problem remains on inlet side. Could it be seals on cam or is it the vanos pulley?
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Posted on Jan 02, 2017
if it's rattle kind of noise , possible cause :VANOS or chain guide.
There many other causes , the noise must be heared
by mechanic , to identify the source.
Posted on Apr 22, 2010
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