
beefnewton
Bundy Lover
- Nov 11, 2022
- 1,656
- 1,992
Have you looked to see if Bimmercode can disable that "feature" for you? I turned off some things with our X5M and X3M40 that were annoying. There are no warranty issues yet only crappy thing is you have to recode after every software update.
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As far as I know, it's only changeable with an unlocked ECU. I've actually got Bimmercode and love it for a few quality-of-life changed like the disabling startup nag, seatbelt warning, and the fake cabin noise. Maybe disabling that cold start roar is possible in advanced mode, but so far as I've been able to research, no one is giving up the info.
I have a very low tech way of suppressing the cold start noise. I have some hollow pool noodles the exact diameter of the exhaust that I cut up and can insert before starting. It does a great job of reducing the noise. Just have to remember to remove them after the roar subsides in 20-30 seconds.