BMW X5/X6 (E70-E71)

Engines

Click the links below to see common problems specific to the engines available on this vehicle.

BMW N52B30 (X5 3.0si, X5 xDrive30i)
BMW N54B30 (X6 xDrive35i MY07-10)
BMW N55B30 (X5 xDrive35i, X6 xDrive35i MY11+)
BMW N62B48 (X5 4.8i, X5 xDrive48i)
BMW N63B44 (X5 xDrive50i, X6 xDrive50i)
BMW S63B44 (X5 M, X6 M)

iDrive malfunctions
Window regulators
Cooling system in general, especially if fluid is not changed every two years
Miscellaneous electrical issues may be caused by loose power connector to the power distribution/electronics junction
Vehicles with sport suspension may experience knocking from the front sway bar

MY08 and earlier vehicles with ZF automatic transmissions: TSB – transmission warning light may illuminate and log fault codes 4F81, 507B/507C, or 507D; attributed to low fluid level or internal pressure leak caused by a defective adapter seal between transmission housing and Mechatronic unit
MY10-11: TSB – universal joints in the front driveshaft can wear out prematurely, requiring replacement of the front driveshaft
MY14 and earlier xDrive35i, xDrive50i, and X5 M: TSB – vehicles may require reprogramming of the DME software; symptoms include “service engine soon” warning, “drivetrain malfunction” warning, or logged VANOS faults