I have a '98 BMW 740i and very often I'm getting "Transmission failsafe" on my dash and my car slows down or wont run. I have to turn it off until the dash shuts off in order for it to run again.


Asked by Nov 17, 2013 at 02:07 AM about the 1998 BMW 7 Series 740i RWD

Question type: Maintenance & Repair

It reads "Transmission fail safe" on my dash then i have to turn off the car and wait for the dash to shut off and then restart in order for it to run again, but even then it takes several cranks to start up. Any thoughts?

5 Answers


Hello Israel1971, Tom is absolutely right. I had same thing happen to my 06. The problem was a cracked transmission sensor seal, allowing some tranny fluid to leak out. I didn't see any oil on my garage floor, but I did see it on the belly pan of the car. I did the same thing you are doing until it would not reset for me, and I had to have it towed to BMW service. They were able to replace the sensor and add fluid. It is a sealed transmission. You can't add fluid from the top like most other cars. It was just under $1100.00 at the dealer to have it repaired and they said that I hadn't hurt anything else. The car's system was protecting itself from more serious damage. I would say to get it into service before it leaves you stranded. Good luck, Rats

1 people found this helpful.

Thank you Tom and thank you Rats for your great advise. Will do!

2 people found this helpful.

Ha my friend if u get transfail safe .and tranny goes into high gear remove the plug on the ABS computer and the transfail safe will go off car will drive perfect but u won't have abs brakes but car will stop fine I'm richiebigrigrepair07@gmail.com


Remove the long plug on the ABS computer open hood passenger side in front of strut tower remove plug start car it will drive n shift perfect tranny is fine u need ABS computer BMW shuts down car when abs computer goes bad trust me 100%. Bad ABS computer reading trans fail safe questions u call me 9096709183 richiebigrigrepair07@gmail.com

2 people found this helpful.

Hi mines is doing the same thing can I remove this at home?

Your Answer:

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