m5board.comoholic (>1000 posts)
Join Date: Apr 2006
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Gary, if indeed that is a 0b, which I agree it may be, I'd definitely say replace your bank 2 CPS (drivers side). I couldn't tell you off-hand if it was intake or exhaust, but I suggest you listen to how your beast runs both at idle and between 2500-3500 RPMs. If you hear a slightly off and muted yet a little louder exhaust note then its probably your exhaust CPS. You could always play it safe and replace both...
Black Sapphire Metallic 2012 X5 M