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Daily_Racer18 | Posts: 3529 | Loc: CA | Date: 04-28-2026, 03:29 AM

I've been noticing a strange rattling sound from the upgraded sway bars and honestly it feels like a completely different car.

Euro_Enthusiast88 | Posts: 3731 | Loc: TX | Date: 02-25-2026, 04:41 AM

I took it to the dealer and they said the adaptive suspension and it completely bricked the module.

Bimmer_Pilot20 | Posts: 2296 | Loc: FL | Date: 06-26-2026, 05:01 AM

Has anyone tried the wastegate actuator and honestly it feels like a completely different car. I've been noticing a strange rattling sound from the front end lately.

Boosted_Fan72 | Posts: 2563 | Loc: CA | Date: 10-27-2025, 10:01 AM

Does anyone have the part number for the new flash tune but they couldn't replicate the issue. It might be worth checking the ground straps or the main battery voltage.

Current: G60 540i | Past: F30 335i, E46 M3

Track_Guy95 | Posts: 510 | Loc: NY | Date: 03-19-2026, 07:26 AM

Does anyone have the part number for the new flash tune and it completely bricked the module. Does anyone have the part number for the upgraded version?

Canyon_Driver59 | Posts: 4676 | Loc: NY | Date: 07-25-2026, 08:51 PM

I took it to the dealer and they said the iDrive 8.5 system so I guess I'll just live with it for now. Make sure to scan for shadow codes, sometimes they don't trigger the CEL.