e34’s have fairly strong rear diffs, the M5 ones have been used upwards of 1000hp. This one will be seeing between 4-600.
No big deal on the chain, I have plenty around Geoff. Just get it to me at some point, it’s not an issue. Yes Zong, it is 
I wish we had LEGAL venues to go drifting within 4 hours of WNY.