I've purchased an m42 gearbox for my m40 318i
Just wondered if I can adjust the prop length enough on the splines
Or do I need an m42 gearboxs prop
As I know the m42 gearbox is slightly longer?
M40 gearbox to M42 gearbox upgrade prop compatibility?
Moderator: martauto
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redcar
- E30 Zone Squatter
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You need the m42 prop 
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TDSCHRIS
- E30 Zone Newbie
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Okey doke I'll get one sorted cheers for that
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redcar
- E30 Zone Squatter
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No problem mate
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johnl320
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Can you not just swap the output flange to use the shorter m40 one and retain your old prop?
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TDSCHRIS
- E30 Zone Newbie
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I'm not sure, my box hasn't arrived yet but when it does I'll measure it up because I'd be up for that if it saves me buying a prop! Cheers