I just purchased a 1981SD with 303K miles on it. It made it to Ohio from FLA with no problems. The guy I bought it from drove it around for a couple of months, then he started having transmission problems. It goes into reverse with a couple of seconds delay (it really didn't seem too bad to me), but when you put it into drive it just "eases" in, and barely moves forward a little but you have to rev the engine for it to do that. Reverse works perfectly fine. Are these the symptoms of a bad B2 valve, and/or the broken K1 spring? Thanks in advance!

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1982 240d 4-speed-sold
1981SD-also sold