Any updates as to ACTUAL fill quantities?


(ie not mfg spec, but what you actually need based on a realistic drain..)


TIA

I can't tell you actual but I only bought 1 liter and did not use it all, not even close.

Im leaning towards a liter for front, a liter for rear...

Yes, I bought 2 liters and used ~1.25L in total. I sucked out as much as I could of the old fluid. Or at least as much as my patience allowed.

I did replace the front diff fluid and decided to measure the quantity. Close to 600ml what came out so I decided to follow the SM and fill back the exact same.
The SM specifically states to fill with 600ml only. However, I personally don't think it is a big deal if one overfills it as the SM states the excess will foam out of the breath hole.

I have 2012 X5 E70 35i and thinking about changing the differential fluid for both front and rear. I'm not sure if I can use the below fluid for both and I don't see anything different for front listed in FCP Euro.

https://www.fcpeuro.com/products/bmw...3117525064ktlm

Any quality diff fluid will work for both the front and rear differentials (I used Castrol). For the AT and TC I only used the BMW fluid.