2010 BMW 328I Structure Problems

(INCIDENT #1) I BEGAN HAVING ISSUES WITH MY 2010 328I REPLACEMENT VEHICLE (INITIALLY PURCHASED 2009, BECAUSE OF WATER LEAKAGE BMW REPLACED 2009 WITH CURRENT 2010) HARDTOP, INITIALLY REPORTING SLIPPAGE OUTSIDE OF THE HARDTOP OF RUBBER TRIM HANGING OUT OF THE CONVERTIBLE TOP (SEALS) AT APPROX 17K MILES EARLY MAY 2012. ACCORDING TO THE INVOICE, THE TECHNICIAN STATED THAT THE " HARDTOP ROOF SEALS WERE DEFECTIVE. SEALS WERE REMOVED AND REPLACED AT APPROX 18K MILES AFTER A TWO WEEK WAIT TO RECEIVE REPLACEMENT PARTS ORDERED FROM THE ONLY SUPPLIER IN GERMANY". (INCIDENT #2) A YEAR LATER, MAY 2013, ONCE AGAIN I BEGAN TO EXPERIENCE DEFECTIVE PARTS AFTER HEARING THE HINGE ON THE RIGHT (PASSENGER) REAR OF MY VEHICLE MAKING A GRINDING NOISE, GRATING AGAINST THE GLASS AS THE CONVERTIBLE COLLAPSED INTO THE TRUNK COMPARTMENT OF MY VEHICLE. THIS WAS A NOISE THAT SOUNDED AS IF THE ROOF OF THE VEHICLE, UPON...