G20 BMW 3-Series Forum - View Single Post - 330i vibration noises

jbarba · 02-14-2021, 02:49 PM

had exactly this high pitch rattle annoying sound on cold start, and went away in 1 min.
Dont know exactly what it was, but i think dont have actuator on exhaust (engine model A).
If it still there for more than a day will go to dealer

02-14-2021, 02:49 PM	#9
jbarba Private First Class 46 Rep 119 Posts Drives: G21 320i Join Date: Aug 2020 Location: Spain iTrader: (0)	had exactly this high pitch rattle annoying sound on cold start, and went away in 1 min. Dont know exactly what it was, but i think dont have actuator on exhaust (engine model A). If it still there for more than a day will go to dealer
	Appreciate 0 Quote