BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - B58 cylinder scoring/injector failure <any and all experiences>

borderm3 · 12-02-2020, 04:15 PM

For anyone interested. My customers car ended up failing vacuum test on #6 cylinder. So there is either broken ring and/or ring lands on piston. Valvetrain passed vacuum testing.

It is still unclear what has caused the failure.

12-02-2020, 04:15 PM	#81
borderm3 Enlisted Member 20 Rep 30 Posts Drives: E70 X5 M Sport Join Date: Apr 2013 Location: FL iTrader: (0)	For anyone interested. My customers car ended up failing vacuum test on #6 cylinder. So there is either broken ring and/or ring lands on piston. Valvetrain passed vacuum testing. It is still unclear what has caused the failure.
	Appreciate 3 Supr3me551.00 les anderson145.50 pyrorupt3.00 Quote