Independent BMW & MINI Specialist

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Phone: 01268 683790

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N47 Timing Chains

Bm Bitz Ltd

At first all seemed to go well. The all-alloy engine offered good performance and economy, but then an issue started to arise

with a crucial part of the engine - the timing chain.


This is one of the most important parts on the engine as it's used to keep all of the cylinder head's inner workings in perfect unison, the moving parts of the blocks internals and results of a failure are catastrophic. read more



N42 Timing Chains

Generally speaking, BMW engines are pretty reliable, but if you have an E46 3 Series fitted with an N42 four-cylinder you'd better read more


Have a fault?

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Message us below or call us on 01268 683790

So we can discuss this in further detail and try plan a route ahead.


Over the last 25 years we have seen our

fair share of issues and we now know the majority

of faults were all ways here to help and if we can't we will try and steer you in the general direction of someone who maybe be able too

BMW Swirl Flaps

Swirl flaps are designed to create swirl or tumble of the air to aid better combustion under light load where soot levels tend to be dominant because of the lack of air, they are also there to help with driveability in low load conditions, they are controlled by a vacuum or solenoid actuator and are closed during light-load operations such as when idling at traffic lights, changing gear and deceleration to maximise combustion efficiency, fuel economy and emissions performance..

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