Hi I'm hoping someone can help we just got a 2013 x3 2.0 automatic when we put the drive it shudders like mad and I'm not sure if it's the gearbox or the transfer  box I hope someone on here can gave me some idea where to start thanks

Hello. How many miles has it done? 
has the gearbox ever been serviced? 
stu

Hi David

Your car should have the ZF 8 speed box as Stu says is there any evidence that the box has serviced ZF recommend every 60k miles and they often get foregotten. Other things to check First Tyres are they all the correct size and are wear patterns the same. Odd tyres across axels or front to rear can wreak havoc mainly with the Transfer case though. Second find a good open area and on full lock reverse slowly if it is a Transfer case issue you will feel/hear a jerking through the steering. If all is smooth yout Transfer case should be OK

My local BMW Specialist charges £650 for a GB service plus around £80 if a software update is needed. I save around £260 by doing it myself (ZF Fluid and Filters)

Dave

Thanks for the reply i have found out it the transfer box so I'm looking at getting it replaced or rebuild 

Morning David

Make sure the tyres are correct for the car ? Are they all the same make and rolling radius if one is out your Transfer Case fix might need repeating

Dave

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hi , I had very similar problem a while back, and after a lot of testing with vista, it turned out to be a front R/H wheel , speed/wheel sensor. when it all was happing lots of codes were coming up gearbox, diff front and back, transever box,plus many more, didn't look good, but there was one code that repeatedly came up at the top of the list, at this point it was becoming undriveable ,it just didn't seem that a wheel sensor could cause all these codes. So I went got two wheel speed sensor, replaced driver side front, the problem never came back, the sensor controls so many systems ,cleared all codes, happy days, I could have pulled the car apart for nothing, and got nowhere, except an empty wallet. hope this helps you or someone.

Many thanks for the help I've hot the car booked in for a full health check but it seem that the transfer box oil as not been changed for nearly 3 years so I'm hoing to do that first to see if it helps