BMW replaced mine for free. Didn't even have to pay for labor. Took about 1 month from sending the initial email, to getting it taken care of. This is BMWNA of course, so YMMV.

__________________
'02 X5 4.4 - 67k miles
'01 RX300 - Wifey's, 74k miles
'92 325i - My classic (Dinan S1 susp, clears, M3 kit, M3 exhaust, M3 Double-spokes, 216k miles)
'93 318is - Gave to niece