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n42b18
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  1. E46 Convertible
    Hi all, I was driving to work this morning when, after slowing down and turning a corner, the car suddenly died as though it had run out of petrol. All electrics were perfect. I tried re-starting the car in the middle of the road (thankfully not busy at all), the engine turned over but would...
  2. General E46 Forum
    Hi, Just out of interest, does anyone know the difference between the N42B18 engine and the N42B20 engine? All I can find out is that the 2L has a 9mm longer stroke, but would that really give an almost 30bhp increase in power? Thanks
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