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Old 03-12-2006, 08:24 PM
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Schnell5 Schnell5 is offline
Location: Salt Lake City, Utah
Join Date: May 2004
Posts: 141
Mein Auto: 2002 M5
Originally Posted by bchang2001
so should i buy 4 new o2 sensors? what should i do then? i was told that the aftermarket carts that were put in are alot smaller than the oem ones. but the shop that put it in said that it should be just like stock. so i dunno what to do. thanks again

Well I think you need another professional opinion before you go and buy anything more. Find out what the CEL exactly said. Where did it come from? How many miles are on your vehicle and have the sensors ever been changed?

If you do need the sensors, Autozone, yes Autozone sells the exact same BOSCH sensors with direct plug in end for a fraction of the price. (same BOSCH part number). fyi.
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