The ultimate M30 bottom end and I need a builder

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mikeyce30
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E30 Zone Newbie
Posts: 88
Joined: Thu Jul 30, 2009 11:00 pm

Post Sun Jan 19, 2014 1:30 pm

Hello guys

What would the ultimate bottom end be for the M30 B35 I want to build a super bullet proof bottom end for next year. I am a semi professional drifter in the BDC this year so need a super reliable bottom end. Head work has been taken care of.

I have heard that some of you run a m5 crank but what's the best pistons to use.

Also I need a engine builder to do this so can anyone recommend someone and also what sort of costs to build one.

Any ideas would help me right on my way!!!
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leeparkes
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Married to the E30 Zone
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Location: Black country

Post Sun Jan 19, 2014 7:53 pm

Alpina custom lightweight pistons with M88 M5 rods (same as alpina B10) then use a crank from an E34 M5 to stroke the cc up to 3.8.
You could probably get more cc with a rebore.
Cypriotgeeza wrote:I done both my mates in my old 318is
felt so proud,even tried it with a E30 325i and got put in my place.. :o:
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zaust
Zone day release
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Location: Somewhere in Hertfordshire , or press Ctrl + W

Post Sun Jan 19, 2014 8:03 pm

36 crank and a 93.4 bore m5 pistons, use the b35 top and b34 bottom. 288 cam
M30 Tech 1 Touring on gas.
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reggid
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Location: Oz

Post Sun Jan 19, 2014 8:52 pm

get one of the 98mm stroker cranks (or a S38b38 crank) and custom high CR forged pistons.
E30 325is with M20B31
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mikeyce30
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Post Mon Jan 20, 2014 5:44 pm

Is there anyone on here who can access the parts I need and build the engine. Who is the king of m30 engine builds.
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mikeyce30
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Post Mon Jan 20, 2014 6:40 pm

Hi guys

Sorry I've found s38 m5 crank, rods and pistons. Would this be what I am after and I take it this would all fit in my m30 bottom end?
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jimbom30cab
Tech 1 freak
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Location: in the garage

Post Mon Jan 20, 2014 6:53 pm

Speak to Maggspower on here, he builds engines.....properly
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