I want to do a transmission and transfer case/PTO fluid drain and fill this weekend. Got all my o-rings and supposed TC fluid from dealer today. The fluid I received was BMW's Final Drive Gear Oil C-SAF-XO 75W90 (part # 07512293972; pic attached), but realoem lists BMW Synthetic OSP (part # 83222365987) as the proper fluid. I asked the Parts rep to double check and he came back confirming the C-SAF-XO should be used for the TC.
I dont want to end up putting in the wrong fluid. Can someone confirm whether the C-SAF-XO is the correct/compatible fluid or I should use Synthetic OSP?
Also, there's no front diff on our gen X1?
Thanks much.
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