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      03-20-2012, 04:36 AM   #22
Alpina_B3_Lux
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Drives: Audi R8 LMX, BMW M550i xDrive
Join Date: Feb 2008
Location: Germany

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2009 335i  [8.90]
Quote:
Originally Posted by phil200tdi View Post
The valve cleaning sounds like a pig of a job.. If my hpfp were on the way out then I'd definitely have it done whilst in there.
If you have the correct walnut shell blasting tool then it is actually quite simple from what I have heard. But if you don't, and you have to manually clean every valve from every cylinder with a toothbrush, then it certainly is a pig of a job and ideally needs at least two days (to let the valves soak in cleaning fluid before brushing them off).

I've ordered the BMW blasting tool and will hopefully be able to document how this is done in the next 2-3 weeks or so.

Alpina_B3_Lux
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Audi R8 LMX, BMW M550i xDrive (G30 LCI); gone: Alpina B3 3,3 (E46), BMW 335i, Audi R8 V10 manual, Audi R8 V10, BMW M235i, BMW 550i F10
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