Straight from that font of knowledge over at
www.bmwe34m5.com
Turbine Information
here
Throwing Star Information
here
M-Parallel wheels are for girls, so the information for them is
here
Summarized history:
From September 1988 until February 1992 (As of February 1990 also for the US and the commonwealth)
S38B36 engine (315bhp)
Self levelling rear suspension (No EDC possible)
8J*17 rims with 235/45ZR17 tyres ('turbines' aka 'fans')
OPTION: 9J*17 rims with 255/40ZR17 tyres at the rear
315mm brake disk at the front, 300mm brake disks at the rear
From February 1992 untill summer 1994
S38B38 engine (340bhp): Europe Only, For the rest of the world BMW used the S38B36 engine until spring 1993.
Touring introduced with standard 9J*17 rims/ 255/40ZR17 tyres at the rear ('throwing stars')
EDCIII suspension package (Again Europe only)
OPTION: Nurburgring package (Again Europe only) with:
A EDC computer override switch with three settings (sport, comfort and automatic)
19mm swaybar at the rear
9J*17 rims with 255/40ZR17 tyres at the rear ('throwing stars')
315mm brake disk at the front, 300mm brake disks at the rear
From summer 1994 untill summer 1995 (Europe only)
S38B38 engine (347bhp)
EDCIII suspension.
Nurburgring sport package as discribed above.
345mm floating disk brakes (front) with 4 piston calipers and 328mm disks (rear).
8,5J*18 front and 9,5J*18 rear rear with 245/40ZR18 tyres. ('///M Parallel')