E39 M52B20 engine sound - видео

It sounds like a diesel which is not! The knocking sound... what could it be? I can hear the Vanos rattle but theres another knocking sound very noticeable at idle. I took the belts and fan out of the picture to exclude water pump AC compressor servo pump and the fan itself. This knocking sound seems to come from the exhaust area of the engine. UPDATE 12012012: Ive done a compression test: You can hear how the engine sounds at the end of the clip this is after an oil change. This time Ive used th...
Источник видео: RuTube.ru (Авто-мото)