I had the dealer do a pre-inspection on my 2007 before the turn-in and was told that my tires were 3/32 tread depth which meant I had to put new tires before lease turning the car in (4/32 were the min stated in lease agreement). You will need turn the car in with OEM approved tires and that means runflats because all x5 BMW's have runflats from the factory. I figured that you were going to store the OEM runflats and burn up a set conti's and then putting the OEM's back on for lease end so you don't have to buy a new pair of expensive tires when your getting rid of the car.

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2012 X5 50i ZAP(2VA, 336, 465), ZTP, ZPP, ZPS(6VC), ZCW, ZRC, 322, 4UB, 4NC, 610
2011 ///M3 Silverstone II
2011 X5 50i(lemon)
-- SOLD --
08 550 Msport
07 X5 4.8I sport
04 545i sport
02 4.4i sport
01 540I M/sport
00 SL500
97 SL500