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      01-24-2013, 10:31 AM   #13
Lieutenant Colonel

Drives: Z4 3.0i & 320i
Join Date: Aug 2012
Location: USA

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Originally Posted by foghat View Post
the valve is about $60 from mckenna parts. Do you know how difficult of an install this is? I assume this part lives in the engine bay?

If it is easy to do, even if the noise does not go away, for $60 it is worth a try.

Not that the noise really bothers me.
Values are what control the fuel and exhaust. the parts are cheap but to replace you have to remove the head off the engine and have them machined into it. (they have to set perfectly or they wont work) Then a replacement head gasket and coolant. That would be the minimum amount of preplacement items. If ever i were replacing my values I would also replace the entire rocker arm too. So in other words by the time you got done and if you did most of the work yourself you are looking at around $1000.00 USD to replace. That is parts, and machine shop expenses. If you had someone else do the entire job then you are looking at around $2000.00 USD maybe a little less.
Enjoying an E89 Z4, F30 320i and Fiat Abarth //
E85 Z4 (sold), E82 128i (sold), Fiat Pop 500 (sold)