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X5 E53 (1999 - 2006)
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Old 02-13-2013, 07:55 AM
nizzo13 nizzo13 is offline
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Location: carol stream, il
 
Join Date: Feb 2013
Posts: 2
Mein Auto: 99 330i
05 x530i code 236

when viewing scan data, i can clearly see the bank 2 pre-cat o2 staying pretty rich...my concern is the countless posts ive seen on this code, with every repair known to remedy a rich OR a lean reading...and the code returns. wondering if maybe before condemning the o2, check of dme update?

..nervous
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