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Old 05-01-2013, 01:56 PM
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Edgy36-39 Edgy36-39 is online now
Constantly Learning
Location: Northern Virginia
Join Date: Jan 2008
Posts: 1,220
Mein Auto: 1999 M3, 2002 M5
Thanks for thoughts. The O2 sensors are pretty new, pre cats changed 1.5 years ago. If sensor was bad that would be a different code wouldn't it?

Tried to listen this AM closely to cold start, couldn't really tell if pump was working.

Doru, how difficult was access to the valve?
Fern Green 99 M3, Conforti Shark Software, Conforti CAI, Dinan Exhaust. Stamped LTWs, 235x40 square, OEM Hella heads, ///M Pedal Kit, Clear Corners, OEM Rear Spoiler, CD43 stereo. MRegistry listing here.
Le Mans 2002 M5, Black/Titanium, Rogue SSK, Dinan exhaust, PSS9 coilovers, Euro rotors, iPod integration. MRegistry listing here.

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