Quote:
Originally Posted by Thecastle
I wouldn't recommend removing the engine partition if you park the vehicle outside or in rain. The engine partition keeps rain off of the back of the engine. Over time the water damages sensors, coil packs, etc. The engine isn't designed to have water on it all the time. Its a well documented side affect of removing the partitions or having them disintegrate and not be replaced. Removing them theoretically improves airflow under hood.
The engine cover is for visual purposes and sound deadening and can be removed. Though there is not a performance advantage, it MAY increase the life span of the oil and coolant lines in the engine V.
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its removal may cause rest of the engine compartment to overheat and damage hoses and wiring outside the engine V
I would rather trust the BMW engineers then amature enthusiasts.