Performance for bmw v12 any ideas?
I have just recently bought a e32 v12 from a '89 750il which im going to put in my e36 325i. Im looking for performance parts for this motor (m70b50) but can not seem to find any parts anywhere. I want to bore it .30 over and try to make it a 6.o liter instead of a 5.0 liter with all forger internals and arp heade studs, also looking for a twin turbo kit for it from garrett turbos, any idea as to where i can find these thing? Also looking for a manual transmission. Does anyone one know where i can find a manual 6sp trans and what its from. I do believe that an 850i trans bolts right up but not 100% also if it does will it be able to hold up to 800 plus horse power or should i go to getrag and get one custom built?
I enjoy the old V12 too, but there's definitely not alot of aftermarket support for it. Boring it that amount will not increase it a full liter, either. Realistically, the only way I know of getting custom pistons is JE or Wiseco. One of those two will make them if you send a stock piston.
As far as turbo setup, well that's up to you. I've never encountered a kit for them, but any fabrication shop can make the manifolds and down pipes. That's the serious fabrication side of turbocharging. Intercooling is simple, buy a universal intercooler, and 2 sets of universal piping kits, that usually does it...
Turbos that are Garrett flanged, most common are T3. A couple GT28rs's would be great, and a responsive low boost engine. With forged low comp pistons, and a good tune on Haltech, Megasquirt etc it would be nice.
It's all custom on odd-ball apps. The 850 transmission works, yes.. But, would take work to make it go in a E36 I would imagine.
It's been done in E30s, but it's a tight squeeze. Honestly, it is a heavy engine with a major lack of support. But if you were to do it, it would hit like a sledgehammer!
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