Automatic gearbox "misses gears"?

mythek · 08-12-2014, 01:36 AM

Quote:

Originally Posted by enrita

in M doesn't matter software it will always shift automatically at redline in M mode. to hit the rev limiter you need to hold the shift paddle after shifting up.

you sure about that? my 335i AT with alpina b3 flashed tcu doesn't not automatically shift up at redline. However on S (or DS) mode, it change gear after 4-5k rpm.

v1nc86 · 08-12-2014, 09:19 AM

Quote:

Originally Posted by mythek

you sure about that? my 335i AT with alpina b3 flashed tcu doesn't not automatically shift up at redline.

in M-mode?

enrita · 08-12-2014, 10:42 AM

Quote:

Originally Posted by mythek

you sure about that? my 335i AT with alpina b3 flashed tcu doesn't not automatically shift up at redline. However on S (or DS) mode, it change gear after 4-5k rpm.

just try

AlanYoro35i · 05-27-2015, 09:09 PM

Op, what happen to your tranny in the end? I am having the same problem but with 5th gear. If i step on it suddenly then the car hesistates and the gearbox pops into neutral. All other gears hold power to redline fine. Would this be cause by a worn torque converter?

Snarson · 07-27-2015, 01:03 PM

Hi everyone,

I thought this problem was gone. But today, when I was supposed to sell the car it was the same, all over again.

When flooring it, the transmissionn pops the gear to neutral and won't accelerate. This usually happens on 2nd and 3rd gear.

And again, the big gearwheel appears on the screen and the car wont drive until I restart it.

Is there a way to read error codes? I have the Procede software and USB cable installed. But I'm not really sure what to look at to be honest.

What do you guys think, do I need to replace the tranny?

Thanks!

05-27-2015, 09:09 PM	#26
AlanYoro35i Senior Troll 222 Rep 3,378 Posts Drives: Coming soon-718 Cayman S Join Date: Aug 2010 Location: South West iTrader: (1)	Op, what happen to your tranny in the end? I am having the same problem but with 5th gear. If i step on it suddenly then the car hesistates and the gearbox pops into neutral. All other gears hold power to redline fine. Would this be cause by a worn torque converter? __________________ Gone: N54 335i is the Legend! N55 435i Now: 718 Cayman GTS / F83 M4
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07-27-2015, 01:03 PM	#27
Snarson New Member 2 Rep 20 Posts Drives: BMW 335i -07 Join Date: Jul 2014 Location: Sweden iTrader: (0)	Hi everyone, I thought this problem was gone. But today, when I was supposed to sell the car it was the same, all over again. When flooring it, the transmissionn pops the gear to neutral and won't accelerate. This usually happens on 2nd and 3rd gear. And again, the big gearwheel appears on the screen and the car wont drive until I restart it. Is there a way to read error codes? I have the Procede software and USB cable installed. But I'm not really sure what to look at to be honest. What do you guys think, do I need to replace the tranny? Thanks!
	Appreciate 0 Quote