Whether the lines are before or after the throttle plate is a crucial factor for all the vacuum systems.
15+ Bmw M54 Vacuum Hose Diagram Pictures. Bmw e46 vacuum hose diagram. Yea i replaced ccv and gaskets and disa and watched 50kid and shoplife videos on youtube but they dont get in to vacuum lines in the vacuum lines on the m54 are very simple compared to most other engines.
Bmw E46 Intake Manifold Gasket Repair 1998 2006 3 Series M54 Eng from www.bmwrepairguide.com
In extremely cold areas there is a cold weather modification from bmw to address cn90, does the pcv mod allow for more crankcase vacuum? This diagram shows the valve, the vacuum hose to the fuel pressure regulator being part # 6: The m54 engine saw the fuel pressure regulator change positions, and it was integrated in the fuel filter underneath the car.
Given these two m54 engine vacuum hoses:
I decided to tackle the vacuum system on my car, next. Does anyone have a diy on all the lines to replace? I have a 2001 330 m54 e46. 03 fuel tank breather line 1.