E30 DOHC Swap Basics - M50, M52, M52 and S50 So it has come to our attention that the legendary E30 DOHC wiki page is down and gone forever. So instead of letting it die, we have rehosted a copy of this guide.

This article about swapping an M50, M52, S50 or S52 engine into your E30. Here you will find important information on how to make this swap reliable, fully functional. We even offer a detailed wiring chart.

The S50 is the high performance version of the M50 which was used in the E36 M3, replacing the four-cylinder BMW S14 engine used in the E30 M3. Like the M50, the S50 has an iron block and aluminum head with four valves per cylinder.

Simplify your 24-valve swap with our wiring harness and motor/engine swap kit for BMW E30. Complete engine conversion solutions made in the USA by Condor.

In our opinion, the best harness for this swap is an early manual 93-94 325I harness. It's simple and can be acquired from any junkyard for cheap. Not to mention, you won't have to sit there and eliminate wires you did not use. However, if you got a harness out …

Feb 19, 2020 · How to swap an M50, M52, M54 or S50 into your e30 So it has come to our attention that the legendary E30 DOHC wiki page is down and gone forever. So instead of letting it die, we have rehosted a copy of this guide.

May 9, 2011 · I am proud to say that I am the first person to do a M50(budget better than S50) with GM 4L30E swap into E30. I searched the internet and I could not find any information about a person that swapped 92-95 E36/E34 automatic 4 speed transmission into E30 chassis, some say that member Jahnaboi did it but I could not find any evidence of that.

Apr 16, 2011 · With around 240 crank hp, the S50 and later S52 make great E30 powerplants. There are some tricks to the swap—mostly electrical, but they are straightforward and well documented. The S38B38 “big six” engine from an E34 M5 can be swapped into an E30 but it is not an easy swap.

Jan 18, 2014 · Complete M50 engine of an e34 or e36 with accessories and wiring harness. M50 engine data at the following link: M50 information. Engine mounts arm of a 6 cylinder E36. If the engine is from an e36 the oil pan and pickup tube have to be changed by the ones of …

Sep 7, 2007 · I have a japanese import 1988 E30 Facelift RHD. I have just started on my M50 conversion and have everything sorted and arranged except for the ECU. I am using the E34 M50B25 as it drops right in with the E28 335i mounts.