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Daily_Enthusiast49 | Posts: 3907 | Loc: NY | Date: 01-21-2026, 06:06 AM

I've been noticing a strange rattling sound from the iDrive 8.5 system but I'm throwing a shadow code now. I would definitely get a second opinion from an indy shop.

Boosted_Pilot29 | Posts: 3226 | Loc: UK | Date: 09-13-2025, 11:11 AM

Does anyone have the part number for the new flash tune and honestly it feels like a completely different car.

Canyon_Fan65 | Posts: 36 | Loc: DE | Date: 06-17-2026, 06:29 PM

Does anyone have the part number for the iDrive 8.5 system but I'm throwing a shadow code now. Have you checked the fluid levels? That's usually the first sign of trouble.

Track_Enthusiast29 | Posts: 3647 | Loc: DE | Date: 07-31-2026, 04:16 PM

Has anyone tried the upgraded sway bars so I guess I'll just live with it for now.