Originally Posted by RachaelsX5

Decided this may be a bit much for me to fix so I took it to AAMCO and they pulled the transfer case and said I needed a new chain and planetary gear. They called BMW and they wouldn't sell the individual parts. Thankfully, AAMCO let me supply the parts ordered from cobra transmission and they arrived 2 days later for the fraction of the cost of a new transfer case. Thank you forum for being here I saved quite a bit on this repair!