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+---- Thread: [Question] Disable electrical exhaust flap (/showthread.php?tid=30343)
[Question] Disable electrical exhaust flap - jaramillo - 28-11-2017
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!
RE: [Question] Disable electrical exhaust flap - simonchs - 30-11-2017
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.