Spare m50- m50b32?

[e30-EVN]

You can stroke an m50 to a 3.2??
Please, tell me more LOL

[Kos]

The comparisons I've had from those that have driven them is that 3rd gear and floor it is like flooring a 2.7 in 1st.

the engines "numbers" do not quite do the donk justice.

a v12 e30 will in a straight line will out drag an s50 powered e30

[Dezzy]

You can stroke an m50 to a 3.2??
Please, tell me more LOL

Read the thread mate.

[e30-EVN]

was on my phone earlier, my bad LOL

[Jhonno]

The comparisons I've had from those that have driven them is that 3rd gear and floor it is like flooring a 2.7 in 1st.

the engines "numbers" do not quite do the donk justice.

a v12 e30 will in a straight line will out drag an s50 powered e30

Similar power.. More torque.. Less rev range though..

[Cook318IS]

Are there any decent e46 forums in the uk to keep an eye open on for a crank? I know of the e46 zone but are there anymore?

[Dezzy]

I know of a guy local to me who breaks latter bmw's. He is normally a greedy coont but I will see what he says next week.

[eko]

Yeah i've seen the shricks on ebay - i fancy having a vanos head though tbh. It would be rude not to cam it while the engine is in bits.

Paul ive got the old head off my engine sat doing nothing.
If you want to get it pressure tested its yours

[Cook318IS]

Sweet! Have you been able to do much work on your engine this weekend chap? I'm off until the 4th now so i might pop over at some point. I've just PM'd dan about this too actually (and his m52b28 head he's got )
I've done some calculating and using 85mm m44 pistons i should get 3050cc, with m30 pistons (86mm but im really unsure if any of this will work ) i should get 3123cc. The easiest way to get 3.2 appears to be using the american s52 pistons but they seem to go for a rather large price...

edit: by the sounds of it the m30 + m44 might not be suitable pistons.


Management side im thinking m52 loom with m52b28 ecu, m3 injectors and maf. This could though - all be completely wrong

[Dezzy]

I may know of a set of S52B32 pistons

Oh and why not use S50B32 pistons. I think they are bigger than 86mm no?

[Cook318IS]

I may know of a set of S52B32 pistons

Oh and why not use S50B32 pistons. I think they are bigger than 86mm no?

You im guessing? I saw some of the prices on american ebay and thought FUCK THAT!

[Dezzy]

No mate but I have a good contact for S52 bits. My cams delivered were £280

[Cook318IS]

Thats a good price, how much would s52 pistons from your contact be out of curiousity?

[Dezzy]

I will ask a couple of questions tomorrow matey

[Cook318IS]

What would be the best management for a b32? Would an m52b28 loom and ecu remapped for a 3.2 (if that is possible?) or would an m52 loom with an s52b32 ecu be better?

[Dezzy]

Live map the M50 if staying none vanos i think

[Cook318IS]

I'm not staying non vanos, I'll be fitting a vanos head to my block

[Dezzy]

Live map M52B28 would be best. M52 management runs Dan's 3.0lt track car without being mapped. That is standard everything apart from crank and c/r I think. 235bhp. Not sure what he is doing about management but I know it's getting S52 cams

[Cook318IS]

Thanks for that dezzy. Im just thinking that an s52 ecu would be more capable of running a 3.2, i'd use a 328i ecu for a 3.0 though becuase i know its capable.

[tim_s]

As far as I remember, the pin height on m52b28 and m54b30 pistons is different, but iirc block height is the same, so I think you do need the b30 pistons with the b30 crank really unless you're going to skim the block, then you have bolts and timing chain tension and stuff to worry about getting right, not to mention getting the cases to fit properly. the m54b30 pistons have an extremely low pin height. m43 pistons pin height would be pretty wrong at a guess, plus would need new valve reliefs as they're from an 8v. so prob not a good idea. m44 pistons are 85mm and have valve reliefs in the right place, relatively low pin height too.
To get towards 3.2l you'd need some pretty big, circa s50 diameter (86/86.6) pistons (although s50 ones would prob give low CR with an m5x head at a guess).

[appletree]

I say make it in to a coffee table

heres my coffee table and remote holder....







Ive also made a 850 v12 coffee table for a friend which looked mint but no picture


.

[Dezzy]

That remote holder is the tits!


The S52 ecu might work? Not sure, Dan is running one on his Alpina lump as the Alpina ecu's are mega $$$

[Cook318IS]

I will still have a spare head to turn into something awesome

have you managed to get a rough price on some s52 pistons from your contact yet dezzy?

[Dezzy]

Forgot. I will mail him now bud

[Cook318IS]

cheers dude If the pistons are a decent price i might just go down that route.

[Dezzy]

cheers dude If the pistons are a decent price i might just go down that route.

I have sent the question mate. As soon as i know i will pm the price. As i said before he isnt usually greedy

[Cook318IS]

cheers dude If the pistons are a decent price i might just go down that route.

I have sent the question mate. As soon as i know i will pm the price. As i said before he isnt usually greedy

Cheers bud. Im going to get the impression that this will cost me a few quid... s52 pistons + cams, new timing chain, sprockets + guides, loom + ecu, crank, etc etc. Oh well, it will be a long term project anyway

What clutch setup are you using for your 3.0ltr too? Im pretty sure that dans 3.0ltr wasn't coping too well with the m20 clutch?

[Dezzy]

Dan has a standard new shacks which is ok onw its bedded in iirc.

I have a paddle clutch but its a solid plate type. This may need changing if its too harsh

[DanThe]

Clutch will be fine, as long as its a good'n

S52 uses a different loom BTW, lots of faffing thats not needed

My 3 litre needs remapping to get the best from it, its runs well but you can tell its gagging for more

[Cook318IS]

Ahhh, I thought that considering the s52 engine is based on an m50 it would have your average pesant loom aswell. Cheers dan
S50b32 loom and ECU would be no use either I would presume