Bmw 335i Muffler Rattling When Start

This little sound clip is something maybe some of you have heard but maybe not this is a rattle noise coming from the exhaust system there is a metal spring clip that breaks and causes the metal flap inside the muffler tip to flap around and cause this rattling noise. High pressure fuel pump was changed at 72 000 miles.

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Curtis fact 523 views.

Bmw 335i muffler rattling when start. There s a wastegate rattling but it s not annoying. If you don t know it you wouldn t hear it the exhaust flap makes noises at coldstart but it s actually not the problem if i unplug the vacuum hose the noise disappears. Bmw 135i n55 exhaust rattle on cold start duration.

After 2 service appointments where i mentioned this and other issues and they finally tell me the noise is the system operating normally. New turbos coming up soon. Make sure that your bmw warranty is still in effect when you go for services.

All stock e90 series 335i models have just one in the left exhaust. There may be a manufacturing defect in the 335i exhaust system. The valve is only available with the.

Wastegate rattle from n54 bmw 335i duration. I think your car should have a 4 year or 50k mile u s. Best to keep taking your 335i back to the dealer until the problem gets resolved.

My turbos have the infamous wastegate rattle. It has a muffler delete and there is never a problem with rattles going over bumps but when i 8217 m accelerating and am in the range of 1500 rpm to 2000 rpm there 8217 s a very loud rattle in the rear area of the top sounds like it is right above the rear seats. So my convertible 335i has had the worst rattle when the top is up ever since i bought the car.

The car is parked for a while about 6h if the engine. Bmw 335i start up exhaust rattle. 1967 belair wagon 1968 lemans tempest 1970 mustang mach 1 1972 el dorado 1978 corvette 1981 subaru gl wagon 4wd 1983 s10 blazer 4x4 1985 bronco 4x4 1996 bronco 4x4 2004 passat 4motion 2009 bmw 335i xdrive e92 2015 bmw m235xi xdrive f22.

You hear a rattle from the rear of your vehicle come to find out the exhaust butterfly valve is loose causing the rattle noise. Here is the metal spring clip it is attached to. Prior 44 years of cars.

Jeremy sandor 3 720 views.

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