Thread: CEL after VRSF
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      04-30-2019, 11:33 AM   #39
giangi_m240i
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Drives: 2018 BMW M240i
Join Date: Apr 2019
Location: Puerto Rico

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Quote:
Originally Posted by greg21040 View Post
There's a heating element in your O2 sensor. While changing the down pipe it may have gotten banged and messed up the element. When the shop did mine they hit it putting it in the new downpipe. Had to buy a new one because of it.
Anyone knows the part number on both O2 sensors? And were ti get the best deal to buy them.
Appreciate 0