exhaust question

[tcp2010]

2010 535I X drive with stock exhaust has 2 exit tips on the left side. the left tip has pressure coming out and appears to be the muffler. The right tip looks like it is hooked to a square I assume muffler but has no pressure coming out. Whats going on?

[captainfreezy]

the 535i has a valve on the exhaust to reduce sound until the engine is at higher rpms, then the other tip can breathe and makes the exhaust a little louder

[tcp2010]

Thanks. I was just wondering. I Am still chasing the limp mode problem,still checking all hoses and crossover pipe for cracks and turbo diverter valves.

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Just wondering if it will still pass inspection since it does not come on unless you get on it.

[bluptgm3]

The ECM needs to have “ready” code(s) in place to pass OBDII interrogation.…and those may not be in place IF you can ‘throw’ a CE light and initiate “limp mode” on demand.


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[DRVN2WN]

Have you checked the codes that are causing the limp mode?

[tcp2010]

I have not gotten a specific bmw code reader yet. My OBD2 code reader will pull any up.