At BMW x5 common problem with front splined shaft and splined part of the transfer case. If a standing machine when the D or when switching from D to R in a characteristic ringing “ding” of a machine or a small crunch means Slotted part worn. Slotted shaft part enters the spline transfer case only 1.2 inches and this part and account for the bulk load. As a result of the spline wear out. Typically, the solution of this problem replacing front spline shaft spline and the response of the transfer case. The cost of new parts is very high, a few thousand dollars. Our company sells new front splined shafts BMW X5 with elongated slotted. Having considered the possibility of extension, our experts have developed two types of new front spline shafts. The first type – can be placed without removing the transfer case (it is longer than the original 1/2 inch) The second type – for installation, you must disassemble the transfer case (it is longer than the original 1 inch) as a result elongated slotted portion of the front shaft goes deeper into the mating transfer case. as a result of the connection as new!