Your dealer will do a search on your vehicle serial number and service history and advise if there are any SIBs that apply to your serial number range. The SIB will include the guidelines for whether BMW is paying for it or not. Given that you are seven years out of warranty (approximately) you should expect to pay, IMO.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue