128i auto transmission just doesn't feel as smooth

Garduna · 09-07-2010, 04:38 PM

Hi all, for all those that have a steptronic 128i, do you guys/gals feel that the smoothness of the transmission is lacking a bit compared to the 135i??? I know that the ones we got is from GM but god, the feeling is almost night and day. Is there any mod we can get to make it better?

Greenkirby21 · 09-07-2010, 08:27 PM

Quote:

Originally Posted by Garduna

Hi all, for all those that have a steptronic 128i, do you guys/gals feel that the smoothness of the transmission is lacking a bit compared to the 135i??? I know that the ones we got is from GM but god, the feeling is almost night and day. Is there any mod we can get to make it better?

intake helped a bit

strati1 · 09-07-2010, 11:53 PM

search throttle reset.....it will seriously help anyone with jerky shifts

Raine · 09-08-2010, 11:33 AM

Quote:

Originally Posted by strati1

search throttle reset.....it will seriously help anyone with jerky shifts

Yeah you should probably try this, although you prolly have to reset it every time you drive or come to a full stop (?). Should have gotten a manual :P

ulrichd · 09-08-2010, 01:28 PM

Your car is rejecting the transmission. It really wanted to be a manual 128

Garduna · 09-08-2010, 01:51 PM

I was gonna get a manual but since my momz uses the car in the weekdays, I decided to go steptronic since she can't drive stick. Being a caring son sucks sometimes lol!

BMS Powerbox, been thinking of getting it but the hp/torque gain is so little........ Driving feel any better???

Alex_bm · 09-08-2010, 02:53 PM

With BMW you get more throttle response, car feels more alive and fun. It revs faster. HP gains are not significant to notice. For the money it's not a bad mode in my opinion.
However BMS doesn't improve the jerkiness, if any-thing it makes it a little worse. I am using manual mode frequently.

Lucky1 · 10-09-2010, 11:49 AM

Shout outs to all the 128i manual transmission drivers!

Garduna, by any chance have you tried driving with the DTC on or traction control completely off? And then trying the same in sport mode? Just curious if that makes a difference.

Raine · 10-09-2010, 05:41 PM

Yeah the auto transmission on the 128i feels jerky as hell, it's hard to maintain a constant following speed behind cars. Very annoying.

Whereas the 530i auto transmission is silky smooth.

DSB128i · 10-09-2010, 07:31 PM

I love mine...I have had no jerkyness and it is very smooth in D, but I usually drive in sport, but even then it always seems to be in the right gear when it needs to be. When I let someone drive it thier first comment is that they love the transmission.

Garduna · 10-14-2010, 03:05 PM

Quote:

Originally Posted by Lucky1

Shout outs to all the 128i manual transmission drivers!

Garduna, by any chance have you tried driving with the DTC on or traction control completely off? And then trying the same in sport mode? Just curious if that makes a difference.

Tried for 2 days now with DTC. There's definitely an improvement

Tho with the rain pouring yesterday, I doubt it is a good idea. My baby slid a bit due to the wetness on the road. No dmg tho!!!

Lucky1 · 10-15-2010, 03:48 PM

Quote:

Originally Posted by Garduna

Tried for 2 days now with DTC. There's definitely an improvement

Tho with the rain pouring yesterday, I doubt it is a good idea. My baby slid a bit due to the wetness on the road. No dmg tho!!!

Geeze, I think someone needs some wet skidpad training

J/K

Look take my advice, when the weather is good drive the car with all the nannies off. Its smoother, power delivery is better, and its WAY more fun. Just if your driving style lends you to drive more "spirited" make sure you learn your cars (and the driver's) limits and you'll be fine. But even DTC is much better than DSC and still fairly safe.

09-07-2010, 04:38 PM	#1
Garduna Brigadier General 160 Rep 4,013 Posts Drives: Sedona 1er\|Yellow S3\|NardoTTRS Join Date: Oct 2008 Location: Toronto iTrader: (5)	128i auto transmission just doesn't feel as smooth Hi all, for all those that have a steptronic 128i, do you guys/gals feel that the smoothness of the transmission is lacking a bit compared to the 135i??? I know that the ones we got is from GM but god, the feeling is almost night and day. Is there any mod we can get to make it better?
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09-07-2010, 11:53 PM	#3
strati1 Lieutenant 30 Rep 457 Posts Drives: a slow car fast Join Date: May 2010 Location: DFW/SoCal iTrader: (0)	Reset it search throttle reset.....it will seriously help anyone with jerky shifts
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09-08-2010, 01:28 PM	#5
ulrichd Colonel 210 Rep 2,233 Posts Drives: 128i M-Sport Join Date: Jun 2007 Location: Houston, TX iTrader: (6)	Your car is rejecting the transmission. It really wanted to be a manual 128
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09-08-2010, 01:51 PM	#6
Garduna Brigadier General 160 Rep 4,013 Posts Drives: Sedona 1er\|Yellow S3\|NardoTTRS Join Date: Oct 2008 Location: Toronto iTrader: (5)	I was gonna get a manual but since my momz uses the car in the weekdays, I decided to go steptronic since she can't drive stick. Being a caring son sucks sometimes lol! BMS Powerbox, been thinking of getting it but the hp/torque gain is so little........ Driving feel any better???
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09-08-2010, 02:53 PM	#7
Alex_bm Major 175 Rep 1,040 Posts Drives: Giulia QV Join Date: Oct 2006 Location: Canada, Toronto iTrader: (1)	With BMW you get more throttle response, car feels more alive and fun. It revs faster. HP gains are not significant to notice. For the money it's not a bad mode in my opinion. However BMS doesn't improve the jerkiness, if any-thing it makes it a little worse. I am using manual mode frequently.
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10-09-2010, 11:49 AM	#8
Lucky1 Colonel 647 Rep 2,051 Posts Drives: '08 128i Coupe SGM 6MT Join Date: Nov 2008 Location: Toronto iTrader: (0) Garage List 2015 Porsche 911 Ca ... [0.00] 2008 128i Coupe [0.00] 2006 Z4 M Roadster [0.00]	Shout outs to all the 128i manual transmission drivers! Garduna, by any chance have you tried driving with the DTC on or traction control completely off? And then trying the same in sport mode? Just curious if that makes a difference.
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10-09-2010, 05:41 PM	#9
Raine Captain 44 Rep 841 Posts Drives: '11 E82, '04 E60 Join Date: Jun 2010 Location: Toronto iTrader: (3)	Yeah the auto transmission on the 128i feels jerky as hell, it's hard to maintain a constant following speed behind cars. Very annoying. Whereas the 530i auto transmission is silky smooth.
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10-09-2010, 07:31 PM	#10
DSB128i New Member 0 Rep 16 Posts Drives: 2010 Deep Sea Blue 128i Join Date: Feb 2010 Location: Garland TX iTrader: (0)	I love mine...I have had no jerkyness and it is very smooth in D, but I usually drive in sport, but even then it always seems to be in the right gear when it needs to be. When I let someone drive it thier first comment is that they love the transmission.
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