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      10-20-2011, 12:47 PM   #18
Dr-Euro
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Drives: BMW
Join Date: Oct 2011
Location: Southern California

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Quote:
Originally Posted by aznevoviii View Post
I am going with your Catless version downpipe on my 535xi,

will catless version throw a CEL because of O2 sensor is reading different ## compares to the stock setting?

did you throw O2 spacer to fool the sensor its reading low ##?

after contacting Terry@Burgertuning, their BMS CAN tool is NOT compatible with our F10 N55..... which doesnt make sense why they are selling it to our F10 N55 owners in the first place..
Yes, the catless version will throw a CEL. We are working with Burger Motorsports on a fix that should be released soon!

The BMW ECU is very complex and spacing the O2 sensor does not clear the increased carbon reading to the secondary sensor. The ECU is looking for a very specific algorithmic signal that must be adjusted electronically.

They sell the CAN tool to the E90/E92 N55 and E82 N55 platforms - the F10 has a different ECU even though it is the same engine. Bavarian Technic is still working on the coding for the F10 chassis which hopefully should be released soon.
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