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Thread: BMW N40-N42-N45-N46 petrol engine timing chain fix

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  1. #1
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    BMW N40-N42-N45-N46 petrol engine timing chain fix

    Some of BMW owners already knows these problems with timing chains ,diesel and petrol ones .These are very common as well on petrol 4 cylinder N4? engines . Found on 116i,118i,129i, 316i,318i,320i .Thes engines are very common on oil leaks all around engine. rocker cover gaskets ,vanos solenoid O rings , oil filter and oil cooler housing gaskets, vacuum pump O ring , spark plug guide O rings ,crank shaft seal and few more .
    Its very good to do all this work in one go .
    In full set included - timing chain,lower sprocket ,guides ,chain tensioner ,rocker cover gaskets set ,crankshaft front seal and other before mentioned gaskets and O rings .
    In our experience the problem starts from around 70k mls ,cold engine rattling ,poor throttle response ,poor idling ,high mpg ,lack of engine power .
    Fix it asap,before it broke and damage the engine :wink:

    Happy motoring and few shots of this work !
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