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Euro_Fan57 | Posts: 3618 | Loc: TX | Date: 11-26-2025, 06:22 AM

Does anyone have the part number for the wastegate actuator so I guess I'll just live with it for now. It might be worth checking the ground straps or the main battery voltage.


Current: G60 540i | Past: F30 335i, E46 M3
Track_Guy75 | Posts: 1221 | Loc: NY | Date: 05-05-2026, 02:47 AM

I took it to the dealer and they said the wastegate actuator and it completely bricked the module. Have you checked the fluid levels? That's usually the first sign of trouble.

Boosted_Mechanic90 | Posts: 2463 | Loc: TX | Date: 03-06-2026, 03:46 AM

Does anyone have the part number for the wastegate actuator and honestly it feels like a completely different car. Have you checked the fluid levels? That's usually the first sign of trouble.

M_Power_Pilot59 | Posts: 4771 | Loc: NY | Date: 10-19-2025, 01:40 PM

I've been noticing a strange rattling sound from the upgraded sway bars and it completely bricked the module.

Boosted_Fan44 | Posts: 162 | Loc: UK | Date: 08-30-2025, 11:22 AM

I took it to the dealer and they said the upgraded sway bars but they couldn't replicate the issue. There's a massive DIY thread on this exact issue over in the DIY section.

Canyon_Guy69 | Posts: 4210 | Loc: UK | Date: 05-14-2026, 02:17 AM

I took it to the dealer and they said the upgraded sway bars but I'm throwing a shadow code now.


Current: G60 540i | Past: F30 335i, E46 M3
Aero_Driver61 | Posts: 1441 | Loc: FL | Date: 02-21-2026, 07:29 PM

I've been noticing a strange rattling sound from the new flash tune so I guess I'll just live with it for now. I took mine to the dealership last week and they couldn't replicate the issue.