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      10-09-2012, 11:26 AM   #17
JamesM3M5
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Drives: E28 M5, E92 335i
Join Date: Sep 2011
Location: Northern VA

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Age, heat, "wear"? Could just be crappy and old.

You can use two bank one sensors - Bosch # 17098, available from many places online. The rear bank sensor, 17102 is much more expensive and harder to find.

http://www.e90post.com/forums/showthread.php?t=726481
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E92 335i/6MT Dinan Stage 3: intercooler, oil cooler, intake, flash, exhaust, LW dual-mass flywheel.
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E28 M5 w/ buncha stuff, R171 SLK350
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