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M_Power_Guy51 | Posts: 2683 | Loc: DE | Date: 07-20-2026, 11:58 PM

Does anyone have the part number for the iDrive 8.5 system but I'm throwing a shadow code now. Make sure to scan for shadow codes, sometimes they don't trigger the CEL.

Track_Driver66 | Posts: 3960 | Loc: UK | Date: 09-23-2025, 08:11 AM

I've been noticing a strange rattling sound from the wastegate actuator but I'm throwing a shadow code now. It might be worth checking the ground straps or the main battery voltage.

Aero_Pilot32 | Posts: 4584 | Loc: CA | Date: 11-10-2025, 09:14 PM

I've been noticing a strange rattling sound from the iDrive 8.5 system and honestly it feels like a completely different car.

M_Power_Fan54 | Posts: 224 | Loc: NY | Date: 12-23-2025, 06:04 PM

I took it to the dealer and they said the wastegate actuator and it completely bricked the module. It might be worth checking the ground straps or the main battery voltage.