Our future: swap SMG for 6-speed manual? - Page 12 - BMW M5 Forum and M6 Forums
E60 M5 and E61 M5 Touring Discussion 2005- Advertiser's Forum

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post #111 of 139 Old 5th February 2017, 06:58 AM
Hasan Shaikh
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post #112 of 139 Old 5th February 2017, 07:05 PM
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Originally Posted by Hasan Shaikh View Post
Mods.

This thread needs to be cleaned up and made a sticky.

We need the complete parts list also.
I will update the parts list to reflect what was actually needed/not needed and the corresponding details, but the original list posted before I did all the work is pretty darn close.
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post #113 of 139 Old 6th February 2017, 11:11 PM
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So we have a slight problem....

The oil measurement does not work...even with the engine warm on a flat surface with handbrake pulled up.

Is there anything special in the manual cars that needs to be done, or any preconditions that are different from the SMG?

EDIT - Never mind It mysteriously randomly started working after I recalibrated the level/yaw sensor.

Crisis Averted


On a side note: For what it's worth to anyone, i'm starting to regret the delrin shifter bushings. They're very solid, so they have their pros and cons. While they do stiffen up the shifter carrier, the level vibration they allow to transmit into the shifter is absolutely abysmal; you can feel every edge, and every single metallic noise from the transmission. They also make the transmission feel extremely notchy....i'll be placing an order tonight for the factory hardened rubber ones, along with new transmission mounts from BMW.

Last edited by CHARIOT; 7th February 2017 at 01:11 AM.
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post #114 of 139 Old 15th February 2017, 12:58 AM
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A word of warning to anyone planning to do this retrofit on their 2007 - the MDM switch panel is very hard to find since it is technically only a 1 year production part. That, accompanied by the fact that it only came in manuals makes it even more elusive. A new one can always be purchased at the dealer, but it will set you back ~$315

However, I think I may have found a coding workaround in the DSC which will allow you to disable the DSC again but use the SMG DSC button instead. Working on it now, will report back.

So, there is no way to code the DSC to look for the other old style DSC switch. The coding flag can either be set to SMG or HANDSCHALTUNG, but switching to SMG also enables the DSC to start looking for the SMG messages on the PT_CAN including the yaw rate sensor. LOTS of error codes and check control messages and no start off assistance anymore. The DSC button DOES work, but I don't want to have all the errors just to be able to disable DSC.

On to plan B:

In the midst of brainstorming all of this I had a hunch....why not just re-wire the DSC for the old switch? Well, remember earlier in the thread where I explained my lucky malfunction of the MDM automatically coming on when starting the car? The DSC for MANUAL cars looks for the DSC switch signal on the same pin as the brake switch signal on SMG DSC cars....






This is DSC with SMG cars.....brake switch signal is going to pin 4. DSC switch signal is going to pin 41.



/\
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|
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That's DSC for manual cars.

DSC module is listening for the DSC switch signal on pin 4. Because I haven't changed any wiring yet, my brake switch signal is still going to pin 4. DSC is seeing my brake switch signal and thinking its the DSC/MDM switch signal, therefore turing on my MDM when I press the brake pedal. They must both be a 12V on/off result based on status. Only weird thing is the MDM light dos not turn on/off as I press/release the brake pedal, so it must be doing some redundancy check or something.

If you're a 2007 converting from SMG to manual, you need to move pin 4 on your DSC to pin 30 to move the brake switch signal to the proper place, and open pin 4 for for your DSC switch if you want to use the old button in the event you can't find an MDM switch panel. Then simply swap pin 41 to pin 4 for the DSC to recognize your old DSC switch

Last edited by CHARIOT; 15th February 2017 at 03:41 AM.
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post #115 of 139 Old 7th March 2017, 02:52 PM
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Guys

Does anyone know the difference between the GS6-53BZ - THGR and the GS6-53BZ - TJGC transmissions?

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post #116 of 139 Old 11th March 2017, 03:03 AM
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Guys

Does anyone know the difference between the GS6-53BZ - THGR and the GS6-53BZ - TJGC transmissions?

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One links to M3 and the other to M5.

If I had to guess, internal component strength to handle the power difference between M5 and M3?
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post #117 of 139 Old 11th March 2017, 03:25 AM
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post #118 of 139 Old 11th March 2017, 05:47 PM
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Transmission fluid cooler ports. THGR doesn't have them, TJGC does.
Interesting point
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post #119 of 139 Old 12th March 2017, 04:45 PM
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Are the images loading all scrambled and distorted for anyone else, or is it just me?

Last edited by CHARIOT; 12th March 2017 at 06:42 PM.
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post #120 of 139 Old 12th March 2017, 06:28 PM
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Are the images loading all scrambled and distorted for anyone else, or is it just me?
Loading fine for me sir.

FOR SALE: E60 M5 Trunk

2007 BMW M5 - Specs TBD
2003 Subaru Impreza WRX - 309WHP/251WTQ
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