open diff on a E39 5. Go buy a limited slip if you want anything accomplished. This is comming from a previous 540i/6 owner who worked at a driving school which taught "holding slides" on skidpads/figure 8's/autocross and did "parent rides" on the afternoons with an open diff and a limited slip. When we wet the courses it was a blast..and drifting around a dry autrocross was easily accomplished with 300+ rwtq but anything hardcore sideways would have to be done at high speed in the dry to make up for the one wheel peel and the car would literally have to be chucked to get it at an angle. It was also really tricky to control and hold with one wheel and couldn't be done for long. I also blew my stock 2.81 open rear in the end doing these slides intentionally (had the new 3.15 in the garage). Oh well it was funny...Originally Posted by 95alty
You have a 528i. You need an E30 or something you can slam and put stiff suspension on with no weight. You could make the 5 a fun wet drift car with an LSD for spirited wet power slides but thats about it short of tearing it down and adding alot of power to make up for the weight. Ideally you'd want to supercharge it or do a low lag T.R.M style turbo kit and some coil overs with very stiff spring rates to get it to where you could actually do some events with it successfully.
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