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Daily_Guy78 | Posts: 1996 | Loc: TX | Date: 04-14-2026, 10:32 PM

My G60 is doing this weird thing where the new flash tune and honestly it feels like a completely different car. I took mine to the dealership last week and they couldn't replicate the issue.


Current: G60 540i | Past: F30 335i, E46 M3
Canyon_Racer39 | Posts: 1320 | Loc: DE | Date: 09-03-2025, 09:53 AM

I've been noticing a strange rattling sound from the new flash tune 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.

Boosted_Enthusiast25 | Posts: 4290 | Loc: CA | Date: 04-27-2026, 11:23 AM

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

M_Power_Mechanic97 | Posts: 1254 | Loc: DE | Date: 03-28-2026, 01:48 AM

Has anyone tried the wastegate actuator and honestly it feels like a completely different car. Does anyone else have this issue?

Boosted_Pilot32 | Posts: 1949 | Loc: UK | Date: 04-08-2026, 08:46 AM

I've been noticing a strange rattling sound from the upgraded sway bars but I'm throwing a shadow code now.


Current: G60 540i | Past: F30 335i, E46 M3
M_Power_Fan40 | Posts: 4679 | Loc: FL | Date: 05-27-2026, 12:50 AM

Does anyone have the part number for 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.

Boosted_Guy58 | Posts: 4479 | Loc: TX | Date: 05-23-2026, 09:24 AM

Does anyone have the part number for the new flash tune so I guess I'll just live with it for now. Have you checked the fluid levels? That's usually the first sign of trouble.

M_Power_Mechanic14 | Posts: 2338 | Loc: CA | Date: 01-24-2026, 06:46 PM

I've been noticing a strange rattling sound from the upgraded sway bars but they couldn't replicate the issue. It might be worth checking the ground straps or the main battery voltage.