The S52 is a lightly modified M52 which was used in the North American 3.2L M3 and produces 240 hp. The upgrade path is similar to the S50US. Euro HFM, 24 lb/hr injectors, and Schrick cams. With these upgrades, most people will see 245-255 whp. Both the E30 and E36 transmissions can be used with minimal modifications.
What kind of transmission do I need for a Mercedes Benz S52?
You can use any M50, S50, M52, or S52 for this swap. You can also use the E30 transmissions (Getrag 240 or 260, both 5-speed) or any E36 transmission (Getrag 250 5-speed, ZF 320 5-speed, Euro 6-speed).
What kind of engine does a S52B32 have?
As per the M52, the S52B32 is an OBD-II engine. The S52 is a lightly modified M52 which was used in the North American 3.2L M3 and produces 240 hp. The upgrade path is similar to the S50US. Euro HFM, 24 lb/hr injectors, and Schrick cams. With these upgrades, most people will see 245-255 whp.
What is the best engine to swap in for a 95?
The simplest and probably most economical engine to swap in is a 3.0L S50 engine out of a 95 M3 primarily because it already comes with most of the OBD I hardware you will need for the swap. The only problem with 95 S50 motors is that they are becoming old and it is very hard to find one in a good low mileage condition for a reasonable price.
Can a E30 transmission be used in a 325i?
Both the E30 and E36 transmissions can be used with minimal modifications. The transmission you use will determine what transmission mounts you will use, and also the rear differential ratio you should use. Use E36 325i driveshaft, stock E30 crossmember, stock E30 mounts.
Can I use the E30 Getrag 260 instead of the E36?
If you use an E36 transmission (Getrag 250, ZF310, ZF320) or the E30 Getrag 240, you can use the stock manual E30 transmission cross-member. The the E30 M3 aluminum transmission crossmember will not bolt up correctly. If you use the E30 Getrag 260, you generally cannot use the stock transmission crossmember without modification.
