those BBS wheels are very fine indeed! You have wheel locks on them by any chance?? Well, you never know these days. Have a nice set on all four of my Dinan superlight forged 19"s.
Fully loaded Dinan Signature S1 Tuned E60 545i Sports Sedan, featuring Dinan high flow intake system, Dinan free flow exhaust, Dinan high flow throttle body, Dinan Stage 3 engine management software, Dinan Stage 1 Suspension System, Dinan front camber plates, Dinan carbon fiber front & rear strut tower braces, Dinan (19") lightweight forged wheelset, Dinan/Brembo Gran Turismo (GT) slotted big brake system, Bridgestone Potenza RE050A RFT's