5HP24 ZF Trans problems and reliability? [Archive] - Bimmerfest - BMW Forums

: 5HP24 ZF Trans problems and reliability?

06-03-2007, 07:39 PM

I have the 5hp24 ZF auto transmission and have read that they "blow up" around 60-80K miles. How true is this?

Lately (admittedly I have had this car for only 6 weeks or so), I feel upon heavy acceleration that there is almost a thunk if you will. Normal acceleration is smooth as butter.

Is this normal or anything I should be concerned about? I plan on changing out the ATF around 60k miles.


06-03-2007, 10:44 PM
Hey Whats Up ,,i Just Bought A 97 528i Auto And Have The Same Thing Happen With My Tranny ...its Seems Great And Smooth Too In Normal Driving Conditions But When I Accelerate Hard! U Could Say Its A Thunk Sound Too That I Feel From My Car ..never Slips & Still Shifts Fine ..just A Slight Thunk/kick......maybe This Is Normal ?>??..let Me Know Cause Im Trying To Figure Out The Same Thing ..please Let Me Know

Hope I Was Of Help

06-04-2007, 04:46 AM
my reverse on my 01 540it isnt going into reverse, so i think it may be true to some extent

06-05-2007, 11:55 AM
I would not say the ZF 5HP24 Trans will blow at 60K miles, but I would highly recommend doing a fluid flush at 60K miles.

Here is the ZF 5HP24 trans detailed guide with instructions on how to do a fluid flush

5HP24.pdf (http://www.zf-group.com/pdf/5HP24.pdf)

06-05-2007, 01:58 PM
reset the tranny?