M42club.com - Home of the BMW E30/E36 318i/iS

DISCUSSION => General Topics => Topic started by: littleboyblues on March 06, 2011, 11:11:51 AM

Title: m42 vs m5x comparisons
Post by: littleboyblues on March 06, 2011, 11:11:51 AM

Does the m42 and the bigger l6 motors share anys components?
Pistons, wrist pins, rods, valves, sprins, heat bolts....anything?

If there are size similarities can they be swapped? And is there a varience in strength between the years?

Title: m42 vs m5x comparisons
Post by: Letsplayskatch on March 07, 2011, 02:47:50 PM

Chalk and Cheese fella

Title: m42 vs m5x comparisons
Post by: jscribble on March 08, 2011, 07:57:16 AM

Quote from: Letsplayskatch;102101

Chalk and Cheese fella

Translated, means "No".

Title: m42 vs m5x comparisons
Post by: Letsplayskatch on March 08, 2011, 01:32:35 PM

Thanks Sherlock.

Title: m42 vs m5x comparisons
Post by: littleboyblues on March 08, 2011, 09:42:37 PM

haha...well i guess that sucks. With more cylinders it means theres more parts in the junk yard.

Title: m42 vs m5x comparisons
Post by: jscribble on March 08, 2011, 11:19:36 PM

Quote from: Letsplayskatch;102118

Thanks Sherlock.

Sorry, there's a lot of us on the other side of the pond. Many euphemisms do not come across easily.

Title: m42 vs m5x comparisons
Post by: romkasponka on March 09, 2011, 01:54:55 AM

Quote from: littleboyblues;102127

haha...well i guess that sucks. With more cylinders it means theres more parts in the junk yard.

It depends what you want to do. Check http://www.bmwfans.info and mahle website for piston dimensions. By swaping piston you can lower or increase compresion ratio.

http://www.4shared.com/document/rtgcsjZm/engines.html

Title: m42 vs m5x comparisons
Post by: fiftytakedowns on March 09, 2011, 03:24:09 AM

the Euro S50b32 I believe is very similar in design.

Title: m42 vs m5x comparisons
Post by: Warsteiner on March 09, 2011, 06:55:17 AM

C'mon guys.......of course we do.

What do you think about the 6mm valves?? They are actually in the M3 too!

http://www.realoem.com/bmw/partxref.do?part=11341739820

How about connecting rod bushings? M3 also! I don't think the wrist pins are the same due to larger diameter in most cases? 84mm vs 86mm bore.

http://www.realoem.com/bmw/partxref.do?part=11241278209%09

There are more with some modifications. I know because I have done them on my stroker motor:D

I have E36M3 valves, pistons, cam trays....E30M3 exhaust and possibly the intake plenum.

So there are definitely parts that can be swapped with or without modifications.

Cheers,
~Ralph

Title: m42 vs m5x comparisons
Post by: littleboyblues on March 09, 2011, 10:47:57 PM

bmwfans.info will become my new friend:)