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Old 05-26-2012, 03:39 PM   #8
Mark M
Registered User
 
Join Date: Sep 2009
Location: Lancaster, PA
Posts: 420
My Ride: e30 M3 / e90 335d
Quote:
Originally Posted by SamDoe1 View Post
Can also flash a tune onto the DME to remove the O2 sensor checking. This will also get rid of the check engine light.

FWIW race cats aren't worth it. Either keep the stockers, get funtional ones from the junk yard, or put in headers.
1. Tunes that remove o2 checking also remove the readiness monitors. Thus not able to pass PA state insepction.

2. PA junkyards legally can't sell used cats. They have to by law scrap them for their precious metals.

Thanks to the bureacrats I am screwed again. Other than the damn cats my car is in tip top maintenance shape.
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