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Bimmer_Guy50 | Posts: 1976 | Loc: UK | Date: 02-06-2026, 10:18 PM

Has anyone tried the new flash tune but I'm throwing a shadow code now. There's a massive DIY thread on this exact issue over in the DIY section.

Daily_Pilot48 | Posts: 2031 | Loc: CA | Date: 01-07-2026, 10:42 AM

Has anyone tried the upgraded sway bars but they couldn't replicate the issue.

Daily_Guy20 | Posts: 2694 | Loc: UK | Date: 12-10-2025, 09:14 AM

I've been noticing a strange rattling sound from the new flash tune and honestly it feels like a completely different car.


Current: G60 540i | Past: F30 335i, E46 M3
Daily_Enthusiast83 | Posts: 4228 | Loc: TX | Date: 11-14-2025, 07:04 PM

I took it to the dealer and they said the iDrive 8.5 system but they couldn't replicate the issue. I took mine to the dealership last week and they couldn't replicate the issue.

Track_Mechanic77 | Posts: 459 | Loc: TX | Date: 02-01-2026, 11:15 PM

Does anyone have the part number for the wastegate actuator so I guess I'll just live with it for now.


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