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      04-28-2019, 11:26 AM   #43
BardG
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Drives: 2019 M550xi
Join Date: Jan 2014
Location: Edmonton, Alberta

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Quote:
Originally Posted by ksoze View Post
Quote:
Originally Posted by BardG View Post
I pulled Fuse #203, to be honest I haven't noticed a big difference, I can hear a deeper tone at idle or low revs, but in daily driving not much louder than stock at all. Is this the same for anyone else who's tried this?
Unless you pulled the fuse while in Sport Mode, it won't take. If you had done it, you would notice. Make sure the car is set to Sport mode, then pull the fuse.
Thank you. Two questions:

1. How do I know if the flaps are fully open? (Just by the sound?)

2. Should I do this on a fully cold start?
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