For those who want to see something; S42.

[Jand3rson]

S42 was based on the newer BMW engine architecture (M4X/M5X/M6X), where as the S14 was based on the older M10/M30 architecture.

2.0L S14s made as much power as the 2.0L S42 engines, but S42s were known for a more usable powerband, and a slight increase of torque ... comparatively, at a lower rpm, due to BTCC redline restrictions (8500rpm).

That explains it. I forgot that the S14 was based on the older M10 build.

[chuckybob]

oh my god that's hot.

[E304life]

Great pics and great info

[Ray Smoodiver]

Sick. What is the rebuild time?

[SA E30]

Lol, my mate is busy building a Replica, of this motor... He's got a thread on Bimmer forums. So far he's got the bottom end running, with a Stock top end... for now. Made 2kw more than a M52 328i E36 (can't remember the exact dyno figure) He's only running a 11.8:1 CR though compared 2 the Real S42, and he's not gonna use Slide Throttles, but rather normal S50B32 ones...

[h0lmes]

Would be 10x cooler if it were in an e30 m3 chassis.

[SA E30]

Here is a link 2 his thread...

http://forums.bimmerforums.com/forum/showthread.php?t=433471

[crucial325]

S42 was based on the newer BMW engine architecture (M4X/M5X/M6X), where as the S14 was based on the older M10/M30 architecture.

does it use vanos to make said more useable powerband? or just DOHC.

12.4:1 compression - how does that compare to the s14?

cool stuff
-chris

[Bavarian3]

I don't think the S42 had Vanos; since it more towards the M42 engine than the newer MXX models....

Gruppe A S14 motors ran 12.0:1 (2.5L) but I am sure the older 2.0L S14 STW cars (E36 models) ran a bit higher compression