RFTs on new BMWs may be covered by the tire manufacturer's road hazard warranty - however, this coverage is "brief" and may have some limitations on mileage and circumstances.
Advice: Check your tire warranty documentation that may accompany your car's owner's manual.
My opinions are free - you'll get exactly what you pay for!
1998 Z3 2.8
2007 Rav4 V-6 AWD