Step 1. Sell BMW on craigslist
Step 2. Obtain base model S14
Step 3. Part out suspension from coupe
Step 4. Transfer 5 lug and power plant to s14 and whatever other knick knacks you've grown fond of.
Step 5. Buy new suspension for s14 (spc/kwv3 combo or w/e)
Step 6. Sawzall coupe in half.
Step 7. Repeat dumpster disposal
Step 8. Enjoy your new car that doesn't ride like sitting on a skateboard.