I've been driving red leather BMW's for 5yrs, never had any issues - not with blue jeans, wear or anything really.
The only thing I do, is make sure I almost lift myself out of the car using the sill, rather than brushing against the bolster.
Go for it
F10 M5 Competition Frozen Austin Yellow / Sakhir Orange
Loaded, Akra carbon titanium exhaust, Carbon trim, Carbon spoiler, RKP carbon front lip + diffusor.
F15 X5 M50d - Mineral White w/Mocha Nappa Leather. Loaded, 599M 21" wheels, all M-perf. accessories.