Quote:
Originally Posted by Bearded-Driver
its going to be quiet no matter what in efficient mode... M2 mode will start with both flaps open.
Get in the car when its cold. Press the M2 button once and press it a second time to confirm... THEN start the car the exhaust flap will open.
im sure theres a fuse you can pull for the exhaust flap if your that concerned with the should of a cold start.
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That’s not how it works man.
M2 can be quiet too. It’s just a preset. You just happen to have set your M2 to engine Sport/Sport+.
I’m surprised the engine is quiet when cold. I’m wondering if it’s a DME setting, or if the flaps get frozen shut when it’s cold (because, after all, just water passes there and when it freezes they might get stuck).
OP, if you could run some tests with video, we can learn something. I don’t think this is documented in BMW’s S58 technical documentation. Interesting you guys noted it!