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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > 335i - Auto transmission won't engage sport mode



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      01-12-2014, 08:42 PM   #45
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So I opened up my center dash today and was able to repair the broken wires. I am able to shift again!!
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      02-17-2014, 12:12 PM   #46
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i follow the steps and did checked all wires for any damages. None found. I lost my DS mode after i installed a new transmission, the light still comes on when I pull the knob to DS mode, but no response on the dash. Would this be a coding issue instead?
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      02-18-2014, 03:19 AM   #47
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I believe I read somewhere that you need to update software after installing a new transmission. I could be wrong.
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      02-24-2014, 01:45 PM   #48
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check out this video


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      02-27-2014, 04:39 PM   #49
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what if my car won't go into DS and paddles don't work either? could that be the same thing? broken wires?
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      02-27-2014, 11:25 PM   #50
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bump!!!! can someone help out? i checked all my wires and they're good, also tried replacing the top PRND plastic and it didn't help, but also my paddle shifters don't work...
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      12-10-2014, 06:32 PM   #51
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Thanks so much to all who contributed to this thread; in particular…. ‘LaLakers91tc’, ‘njboy732’ & ‘DetectiveLoki’ ….you are the people who make this forum and community such a valuable resource. Well Done and thanks again!!
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      12-10-2014, 07:04 PM   #52
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Just had this problem pull off the cover and the trim. Look for broken wires. Splice and add length to the wires and the sauder them. I can't recall what gauge wire I used. I'll let you know later. Then use the plastic tubing that you can heat shrink wrap around the wires and bam it's fixed
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      12-10-2014, 07:06 PM   #53
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Quote:
Originally Posted by igor_ki
bump!!!! can someone help out? i checked all my wires and they're good, also tried replacing the top PRND plastic and it didn't help, but also my paddle shifters don't work...
You may want to really pull it apart like u see in the pics above. The first time I looked I didn't see it either I had to remove that nasty sticky wrap to see it
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      12-24-2014, 09:18 AM   #54
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Quote:
Originally Posted by DetectiveLoki
I believe I read somewhere that you need to update software after installing a new transmission. I could be wrong.
Can anyone confirm this?
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      03-05-2015, 06:15 PM   #55
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Fixed!!!

Thanks guys, and DetectiveLoki. I had the same problem Loki had with PURPLE wire broken. It happened yesterday and got it fixed today.

In manual mode, it will upshift w/o a problem but wouldn't downshift.

I see other wires wiring sheath also broken too. I pulled on them to see if it breaks off. They didn't. So I just soldered the purple wire together, put some electrical tapes on couple a places for reenforcement, straightened out the wiring loom, took it off the loop tab, tons of slack now. DONE!

I saved hundred$$$. Took me about 3.5 hours. Cheers
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      03-20-2015, 11:22 AM   #56
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Thumbs up Thank you!

I'd like to give a big thanks to LaLakers91tc, DetectiveLoki, njboy732, and anyone else I missed for the detailed information, photos, videos, and instructions about the wiring issue.

I, too, have been a victim of this poor engineering. A few months back, I noticed that some of my orange PRND lights on the shift indicator bezel stopped working. I didn't think much of it because it was just a cosmetic issue.

Then, earlier this week, my DS mode stopped working and I immediately noticed since I use DS mode every time I drive. I'm so used to downshifting this way that it's "driven" me crazy not having it.

After some basic Internet searching, I came across the threads on this site relating to the wiring issue. Thanks to the previous posters, I was able to open everything up, re-splice the wires, and everything is back to normal again. All but two of my wires were completely cut and the two that weren't were very stressed so I cut them myself and re-spliced.

I started with these instructions for removing the shift knob, boot, and bezel:

http://www.pelicanparts.com/BMW/tech...eplacement.htm

Then a lot of your photos of the wiring issues helped, but this video was especially helpful:

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      10-10-2015, 07:21 PM   #57
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Quote:
Originally Posted by IK6SPEED View Post
bump!!!! can someone help out? i checked all my wires and they're good, also tried replacing the top PRND plastic and it didn't help, but also my paddle shifters don't work...
Hi three, i am having the dame problem with my car, i know this post is Very Old but i would like to know if you found the problem that was causing the ds mode and paddle shifter to not work.

Thank you and I really appreciate and help on this

I checks all my wire and not one is broken or cut not where,
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      11-01-2015, 11:27 PM   #58
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Quote:
Originally Posted by Lshaw View Post
Nope, car has 50k and i have a paddle shifter harness with m3 wheel/paddles. I took a decent look at the wires earlier today and i cannot see anything visibly broken. i couldnt get enough slack to check the bundle of wires either.

My car wont go into DS mode, when i attempt to use the manual mode, the car usually reverts back to D right away.

Any advice would be great! No more warranty...
Hi LSHAW, sorry that i bother you on this thread that is so old already but i would like to know if you remember what was your problem back then with the ds mode and manual mode.

i have a e91 328i 2009 full converter into e91 335i and i having the same problem right now that you had back then. DS mode does not work, only works for manual mode but after driving a little bit it goes back to d mode. even i f i change the get shift to the left, the dash board won show ds mode either,

i hope you remember what was the propellant that you had cause i check everything and i can not find the problem not where.

thank you and sorry again
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      11-02-2015, 05:37 AM   #59
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Quote:
Originally Posted by 328iwagon View Post
Hi three, i am having the dame problem with my car, i know this post is Very Old but i would like to know if you found the problem that was causing the ds mode and paddle shifter to not work.

Thank you and I really appreciate and help on this

I checks all my wire and not one is broken or cut not where,
Hey, sorry i haven't been on in a while. I took my car to a shop and the guy said the problem was in my paddle shifter, something with the wire, he took it apart and put it back together and everything worked. I think the wire either came lose or was shorting something.
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      03-19-2016, 09:10 AM   #60
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I'm having the no ds problem, started last night. Going to rip the console out this weekend and see if it's just the broken wire issue.
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      07-28-2016, 06:41 PM   #61
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Couple month ago I had the same problem, 1st indication something was up is when I lost my shift indicator lites on console, then progressed to no DS

Tore into the console & found that just about EVERY one of the tiny wires were cut thru, with the rest having the insulation cut

Went thru the fix using soldering technique & cleared all the errors, but some connections were questionable as the cut wire end was very close to the shifter carriage.

Car ran fine for a couple months & I didn't shift in to DS much - just this past weekend, shifted into DS on a hiway on ramp & punched it - at about 90mph I lost DS again


Turns out some of the wires came loose again - tired of pissing with this thing so here is my FINAL solution:



New Steptronic Shifter for $480 shipped from FCPEuro (cheapest I could find one new)

I will be sure to remove the wire harness from under the bracket 1st so this never happens again

Sad that a $40K car has this butt sucking problem due to a bunch of wires tucked where they shouldn't be, & that a problem with the shifter can totally stop the car - gone are the good old days when a shifter was purely mechanical & never broke
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      08-12-2016, 07:59 PM   #62
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Quote:
Originally Posted by 83k View Post
i follow the steps and did checked all wires for any damages. None found. I lost my DS mode after i installed a new transmission, the light still comes on when I pull the knob to DS mode, but no response on the dash. Would this be a coding issue instead?


hi there, i saw this post by you and i know it is from long time ago but do you remember what was your problem here with your transmission?

i am having th same issue after i swap engine 335i and the transmission to my wagon.
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