Good info Rockit. Thanks for the update. I'll add that I just used liquid moly's substitute for the zf lifeguard 6 that these trans call for. It is also very thin. If I hadn't changed the bridge seal and the 4 rubber sleeve seals I'd be very worried.

This was on a 186000 mile 6hp19 in a 5 series wagon. I am still in the process of the fluid fill (got 3.5 liters in so far) as I was waiting for a guibo, exhaust gaskets, and csb to come in before continuing on the trans. Will update with results here to add to the knowledge base. The vehicle had no real shifting issues before the work.

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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)

2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)