E70 X5 transfer case and front/rear diff fluid changes.

E70 X5 transfer case and front/rear diff fluid changes.

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g3org3y

Original Poster:

21,441 posts

203 months

Wednesday 22nd January
quotequote all
Hi all,

A question re transfer box and diff fluids changes.

Transfer box - BMW DTF1. I've bought a litre. I believe that will suffice. Can any garage do this or does it require a proper BMW indy/specialist as I read 'adaptations' need to be reset following the fluid change.



Front/rear diffs - I believe 75w90, is correct. Is the Castrol stuff pictured the best stuff (wasn't this previously called Syntrax)? How much do I need?

https://www.castrol.com/en_gb/united-kingdom/home/...


Is it prudent to buy all new drain/fill plugs?

Edited by g3org3y on Wednesday 22 January 21:36