Quote:
Originally Posted by davidcher17
Hey man! Are you sure this is the case? I know it's been some time since you posted this but trying to do the same thing (without using the apps/OBD). If I shut off the car the valve should open itself?
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You can just stick a telescopic mirror in there and check. Also, if you don't want any silent codes set, you can buy one of these for each valve versus pulling fuses.
Exhaust Flap Dummy Plug - BMW P/N 18302411427
I'm fairly certain they are all the same plug.