Laggy DCT

twboy1999 · 05-25-2016, 07:09 AM

it is in sport +
and manual shifting

koastal · 05-26-2016, 04:07 PM

Quote:

Originally Posted by Pyrat 2

Anyone else noticing that there DCT is laggy and slow to respond. My comparison is to a 135is which also had an n55 and basically the same trans other than the software. That trans was absolutely telepathic in D anticipating what gear I wanted. Also lightning fast and firm on the shifts. The M2 in comparison is not any of this. Since it's the same trans underneath it can be fixed with software if BMW sees fit to do so. I had an option of taking my HEA M2 as is with the DCT or waiting. Since I thought the DCT in my 1 was good I figured it would be the same so took the HEA. It's not. If they don't fix it I'll be in the camp of wanting the manual.

I did the same as you. I went from a 135 / DCT to the M2 / DCT, based on my previous experience. The accelerator with the M2 appears to be programmed for longer travel and requires a firm press, to make it go. ( more of a n/a feel than a turbo feel)
I preferred the forced induction feel, so installed a e-drive i had hanging around and problem solved.

Pyrat 2 · 05-26-2016, 04:18 PM

Quote:

Originally Posted by koastal

Quote:

Originally Posted by Pyrat 2

Anyone else noticing that there DCT is laggy and slow to respond. My comparison is to a 135is which also had an n55 and basically the same trans other than the software. That trans was absolutely telepathic in D anticipating what gear I wanted. Also lightning fast and firm on the shifts. The M2 in comparison is not any of this. Since it's the same trans underneath it can be fixed with software if BMW sees fit to do so. I had an option of taking my HEA M2 as is with the DCT or waiting. Since I thought the DCT in my 1 was good I figured it would be the same so took the HEA. It's not. If they don't fix it I'll be in the camp of wanting the manual.

I did the same as you. I went from a 135 / DCT to the M2 / DCT, based on my previous experience. The accelerator with the M2 appears to be programmed for longer travel and requires a firm press, to make it go. ( more of a n/a feel than a turbo feel)
I preferred the forced induction feel, so installed a e-drive i had hanging around and problem solved.

My concern is not on the throttle feel. It's the DCT response time.

what is an edrive???

koastal · 05-26-2016, 05:56 PM

Quote:

Originally Posted by Pyrat 2

My concern is not on the throttle feel. It's the DCT response time.

what is an edrive???

I will try mine in auto today and report.

e-drive is the same as a sprintbooster. I havent felt the need to use one before, as the, JB4 DP 135 i have is already very sensitive to throttle input. I cant remember what the 135 felt like std

Lp01 · 06-05-2016, 05:31 PM

I was almost sure that the m135i has a ZF8 transmission which is not dual clutch and thus with a much more smoother shifting. I have a 5 series with this ZF8 and drove a m135i with exactly the same transmission. Are you sure you drove a 135i with DCT?

Pyrat 2 · 06-05-2016, 07:12 PM

Quote:

Originally Posted by Lp01

I was almost sure that the m135i has a ZF8 transmission which is not dual clutch and thus with a much more smoother shifting. I have a 5 series with this ZF8 and drove a m135i with exactly the same transmission. Are you sure you drove a 135i with DCT?

E82 135is N55 DCT not F20/F21.

05-25-2016, 07:09 AM	#23
twboy1999 Captain 291 Rep 900 Posts Drives: 1994 honda accord Join Date: Mar 2010 Location: toronto iTrader: (3)	it is in sport + and manual shifting __________________ 2019 M2 HS 10000km and counting
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06-05-2016, 05:31 PM	#27
Lp01 Private First Class 109 Rep 176 Posts Drives: 2017 M2 MG/DCT (gone!) Join Date: Nov 2012 Location: Southern Europe iTrader: (0)	I was almost sure that the m135i has a ZF8 transmission which is not dual clutch and thus with a much more smoother shifting. I have a 5 series with this ZF8 and drove a m135i with exactly the same transmission. Are you sure you drove a 135i with DCT?
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