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[Question] Disable electrical exhaust flap
28-11-2017, 21:21 PM,
Post: #1
[Question] Disable electrical exhaust flap
Hi everyone,

As the title says, is possible to disable/eliminate/bypass the electrical exhaust flap/valvle into a BMW?

I want to change the exhaust system of a F21 120i, but If the electrical motor is disconnected a fault in the engine module will be stored, in conjunction with check engine light in the cluster.

Hope someone could help me.

Thank's in advance!
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30-11-2017, 03:50 AM,
Post: #2
RE: [Question] Disable electrical exhaust flap
Disconnect exhaust flip will not got check engine light on cluster, it will show a fault in ISTA only.
If you’ve got check engine light on cluster after modded exhaust on F2x/3x, mostly likely it’s O2 sensor related.
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[+] 2 users say Thank You to simonchs for this post


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