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Engine Overspeed


06TXR

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  • Donating Members
  • Member For: 17y 9m 27d
  • Gender: Male
  • Location: Ferny Hills

Had an opportunity to open the throttle up of my BFT - Transmission in "performance" mode (D on dash)2nd to 3rd gear upshift around 5900 rpm 3rd to 4th never happened nor did the the engine hit the rev limiter around 6100. Was watching the tacho waiting for the upshift 6000, 6100, 6200, 6300, 6400, 6500 and no upshift. Force the upshift - backed off and shifted into adaptive drive. I only did this the once and was lucky to also have a video of it. Has anyone else's BFT done this? Should I be taking it back to the tuner and asking WTF? In saying that, was of the understanding that we cannot modify the 6 speed auto software which would indicate this is factory??

It has never done it in adaptive drive....

Any thoughts?

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  • Member For: 15y 2m 22d
  • Gender: Male
  • Location: Burpengary QLD

I'd be having a chat to your tuner as it shouldn't stop shifting at 3rd, performance mode should stop upshifting before overdrive (ie. 5th gear) as far as I'm aware.

The 4spd auto won't shift to 4th in performance mode till 160km/h, so I'd imagine the ZF would be similar in 5th the 6th.

Check your owners manual as the above is what is states in mine for the BA mk2.

Cheers,

Ben

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