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Re: Automotive stethoscope... (archive)

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Posted by roger j on January 09, 2002 at 00:01:54:

In Reply to: Re: Automotive stethoscope... posted by JamesM on January 08, 2002 at 10:10:17:

Thanks for the information. That made me feel a little better i will probablly change it
in the near future.

Probably not. I've heard noisy injectors tick away for tens of thousands of miles. If you want to replace them, the injectors are under $60 each from, same as a US E28 533i, E24 633CSi, E28 M5, E24 M6, and probably a few others. Or you can remove them and send them to RC Engineering ( for cleaning/blueprinting/balancing. Good injectors usually work for a VERY long time.


Valve adjustment is ok i just did that not too
long ago. I have use my wife stethoscope and I'm
positive Noise is comming from the injector.. it is more pronounce if i place stethoscope on top of the fuel rail. All four injector have varying
frequency of noise the #3and#2 injector is the loudest of all four. my question is this a sign
of a bad injector?

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