Where is the original valve cover of BMW made?

The original valve cover of BMW is produced by Fowles Factory.

From the original engines of N52, N54 and N46 to the later engines of N55 and N20, the original valve covers of BMW were produced by Fowles Factory.

The automobile valve is at the top of the engine and the top of the cylinder combustion chamber. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, and the combustion is successful. It connects the air filter and the engine block, and is called the throat of the automobile engine.