Hi, Folks-

I recently purchased a 1982 240D with a 4 speed manual transmission. I just love the car, but it came without an owner's manual. I want to change the transmission oil, but I haven't been able to find out what type/grade of transmission oil I should use. I did find someone who had posted a 1976 240D manual on the web. I think that manual said to use automatic transmission fluid, but that seemed strange.

Does anyone out there know what the proper oil for a 82 240D transmission is? Any recommendations on brand would be welcomed as well.

Thanks in advance,

Max Behensky

do specify auto fluid. others 10w30 motor oil. i have one with worn second gear synchros that i recently put 15w40 in and it is working very nicely.

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

I have a 1982 owner's manual that includes the 240D with manual transmission. The fluid table lists "1.3 l/1.4 US qt of Engine Oil SAE 10W/20 W-20."

My opinion, for whatever it's worth, it to run Redline MTL synthetic. The added cost is insignificant as you only need to change it every few years and it's kind to your synchros especially if you live where it's cold.

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)

I put this in my BMW, it works good. Its specially formulated to give the synchros the perfect amount of friction. I tried a bunch of different oils, and Redline MTL is the best yet. Alot of race teams use it. My trans used to grind, when shifted fast, and it hasen't grinded since I put in the MTL.

I wouldnt run anything but Redline MTL in my 5 speeds

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"