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      01-24-2013, 09:17 AM   #11
Drives: 2008 135i
Join Date: Jun 2009
Location: Calgary

Posts: 913
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Originally Posted by Sindarin View Post
Don't know why they get more noisy over time. I wouldn't worry about it unless it starts setting a fault. If it bothers you that much there is a newer part number available (13907618652 approx $90) due to the older style leaking leading to evap emissions faults. I can't say if the newer part would be any quieter though.
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.
PTF tuned by Dzenno (94 oct) | Burger DCI | VRSF FMIC 7" | VRSF DP | Berk Street catback | Dynojet: 406/463 (std. correction) | Dyno Dynamics: 354/432 (ATMC1 correction)
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