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M40 gearbox to M42 gearbox upgrade prop compatibility?
Posted: Tue Mar 20, 2012 10:29 pm
by TDSCHRIS
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?
Re: M40 gearbox to M42 gearbox upgrade prop compatibility?
Posted: Tue Mar 20, 2012 10:31 pm
by redcar
You need the m42 prop

Re: M40 gearbox to M42 gearbox upgrade prop compatibility?
Posted: Tue Mar 20, 2012 10:34 pm
by TDSCHRIS
Okey doke I'll get one sorted cheers for that
Re: M40 gearbox to M42 gearbox upgrade prop compatibility?
Posted: Tue Mar 20, 2012 10:36 pm
by redcar
No problem mate
Posted: Tue Mar 20, 2012 10:46 pm
by johnl320
Can you not just swap the output flange to use the shorter m40 one and retain your old prop?
Re:
Posted: Wed Mar 21, 2012 8:11 am
by TDSCHRIS
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