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      11-11-2012, 06:25 PM   #14
BMW_Belgier
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Drives: E92 335xi n55
Join Date: May 2012
Location: Switzerland

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Quote:
Originally Posted by CombatNinja View Post
Anyone know if the catted aftermarket downpipes on the market will trigger the same cat efficiency codes? Not sure if I have ever read a review of one...
Answer from an E-Mail to AR Design:

Re: DP for N55 catted
Depends on the car... With the new BMW firmware there is no way to guarantee no way to throw a CEL.

Sometimes the car sees the flow between the o2's as to much causing the CEL to turn on.

Burger should have a DP fix available soon though!


Quote:
Originally Posted by BMW_Belgier
Hi

Does your catted dp for the N55 throw a CEL?

THX for your reply
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