Quote:
Originally Posted by oVeRdOsE.
alu valve cover will act like a heatsink to a certain point.
honda and toyota best engine got minimal plastic parts... Most issues on bmw engines is plastic : pulleys, gasket leak, thermostat, cover, boots, hoses, wirings, charge pipe, etc etc
Even the pollen filter cover...
someone opened a thread about aliexpress aluminum cover, he never updated it.
still want to know if they are a suitable option
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i'm actually waiting for ECS to get the bremmen cover in and ship it out to me at this time, with the VTT PCV upgrade, and a new flapper valve hose that goes to the turbo intake on the back side.
while aluminum does absorb heat, it also transfers it, and dissipates it, it may be hotter with the beauty cover on, but should be just as cool or cooler with it off IMO.
not to mention there is some argument to quicker failure for the VC gasket due to inconsistent heat expansion and contraction rates between the plastic VC and the aluminum cylinder head, having similar rate with an aluminum VC and Cylinder Head should also increase gasket life some.