You didn't mention the mileage and whether or not the ATF has ever been serviced before. I would use either Redline D4 ATF or Valvoline MAX LIFE DEX / MERC along with the filter replacement and pan and magnet cleaning. Get the filter and pan gasket from the stealership if they give a decent BMWCCA discount or order from Autohaus.
it now has 71k miles i bought the car with 69k on it i dont know if it has ever been changed what fluid do you guys think i should use and where should i order all the oem bmw parts like filter gasket and magnets?
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