Our future: swap SMG for 6-speed manual? - Page 18 - BMW M5 Forum and M6 Forums
E60 M5 and E61 M5 Touring Discussion 2005- Advertiser's Forum

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post #171 of 239 Old 4th July 2018, 05:08 PM
jcolley
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Originally Posted by iDev326 View Post
PLEASE PM ME or email me on a price for that! [email protected]. I need one and wasn't hoping to buy one from BMW for $1,200!
Forgot to get back to you. Apologies, all are SMG.
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post #172 of 239 Old 4th July 2018, 06:35 PM
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PLEASE PM ME or email me on a price for that! [email protected]. I need one and wasn't hoping to buy one from BMW for $1,200!
Empyre Auto Parts in Rialto has a driveshaft for you. Donor car is an 08 6MT, stock number is "EM415", price is $225. Call them go get that thang!

DIY: E60 M5 SMG to 6MT Conversion:https://www.m5board.com/vbulletin/e6...-manual-2.html
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post #173 of 239 Old 5th July 2018, 06:41 AM
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post #174 of 239 Old 6th July 2018, 08:46 AM
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CHARIOT, you are the man. Thank you so much for all the info you posted here. I owe you a beer and a steak dinner haha. Also Iíve ordered all my small parts from BMW South Atlanta and Mike the Parts manager has been awesome to work with. Even though theyíre back East from me (Iím in Cali) I highly recommend shopping there. Helped me find a lot of the small parts that Iíll be compiling in a list at the end.

Quick small update, MDM switch panel arrived from Germany along with the last hydraulic line running inside the car. Hoping to have the interior in this weekend.



Ordered a 6 speed E90 M3 transmission so thatís coming in two weeks. Going to be a fun side project getting that to work as the M3 6 speeds have trans cooler lines going to the front of the car for a trans cooler. Wonder why BMW never did that on the M5


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post #175 of 239 Old 13th July 2018, 09:14 AM
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Got a bit more done over the weekend and put the majority of the interior back together.


The hard to find MDM switch came in and is looking spiffy with the relocated EDC button.


There is a bit of a difference in wiring the MDM switch. On LCI 6 speed cars, the signal from the MDM switch to the DSC module goes to the center console switch center up under the dash in the passenger side fuse panel. Itís connector X16919 and is a black 30 pin connector.



Pin 14 is the deactivation DSC signal that is used on 6 speed LCI cars but empty on LCI SMG cars. What I ended up doing was reusing the wires in the center console from the POWER button and old DSC OFF switch. You will need to remove pin 1 from the POWER switch connector. This wire is the LED activation signal for the button when you press it but since we no longer ave it, we can repurpose it. This wire goes to pin 28 on the X16919 connector. Relocate this from pin 28 to pin 14. Once that is done, youíll then remove pin 3 from the old DSC OFF button connector and splice this to the other wire you removed from the POWER button connector. You will then need to move pin 41 on the DSC module connector to pin 6.





The E90 M3 transmission arrived today along with the harness and some other stuff. Shoutout to Jobe Auto Parts in Madison, AL for shipping the unit to me. Got it for a great deal and happy with the purchase. If you decide to go this route, you will need to figure out if you will run the transmission cooler or not. The ports on the right hand side of the trans next to the electric oil pump have no threads as the factory lines use some kind of plate to sandwich the lines into the port. What I plan on doing is buying a set of used transmission cooler lines from a E9x M3 and welding AN fittings to the stock M3 lines to use a cooler. Most likely will use a Setrab cooler in the front of the car to do so.





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post #176 of 239 Old 15th July 2018, 04:00 PM
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Is the m3 trans the same physical dimensions as the e60 manual? Custom driveshafts aren't cheap.
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post #177 of 239 Old 15th July 2018, 06:50 PM
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Is the m3 trans the same physical dimensions as the e60 manual? Custom driveshafts aren't cheap.
It's the same transmission just with a cooler, I'm using the same one for swap.
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post #178 of 239 Old 15th July 2018, 11:17 PM
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Is the m3 trans the same physical dimensions as the e60 manual? Custom driveshafts aren't cheap.
Yes. I'm doing one now, will be manufacturing plugs to block off the cooler ports. I'm also looking at code in the DME to enable the cooler and trigger the same as the mss60 does.
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post #179 of 239 Old 16th July 2018, 07:15 AM
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Yes. I'm doing one now, will be manufacturing plugs to block off the cooler ports. I'm also looking at code in the DME to enable the cooler and trigger the same as the mss60 does.
Jim, a 6 speed conversion kit would sell like hot cakes...
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post #180 of 239 Old 16th July 2018, 09:51 AM
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More progress overnight, I got the SMG transmission out. Exhaust, heat-shield and driveshaft came out pretty easily. I even mentioned to my friend how easy this was going along. You might know this as foreshadowing and probably know what is coming unknown to me! Got to the trans, removed wires, removed rear o2 sensors, etc. Began loosening all the e-torx bolts around the bell housing. Had to use my entire set of locking extensions from HF Tools, made life so much easier not having the extensions fall/pop out. Having a nice time I say......

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However, this project really had a close call. One of the starter e-torx bolts had been overtorqued and rounded from the previous clutch job prior to my ownership. Needless to say that was an absolute PITA and came close to possibly dropping the motor and trans together in order to get to this. I used my 8mm bolt extractors to hammer on with my extension train and managed to get it off somehow....luck was on my side. MAKE SURE TO USE THE PROPER E-TORX SOCKETS! IT IS NOT FUN REMOVING THE TOP ONES, especially if they are rounded/over-torqued. Go slow and make sure you are fully seated when getting these off.

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Got the old SMG out, surprisingly the wiring didn't look too bad near the PLCD sensor. I HIGHLY recommend a low profile trans jack or having someone with a lift and a trans jack. I did this with a regular jack, that was much more difficult to balance the trans coming down. This thing is heavy and will want to rollover coming down if you are not balancing this as it comes down if you do it this way! For some reason, my pilot bearing popped out with the trans. Not sure what that was about. Haven't pulled the clutch and flywheel out yet but they looked well beat for a unit that has done 50+ launch control starts. It's also a great time to replace all O2 sensors, I will be doing all four since my car has had lambda errors.

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I ran the last hydraulic line from the clutch master to the clutch slave. Being that the trans was out, it made it a lot easier to fish the line up from inside the car. The line runs from the master, over the trans tunnel and into a grommet. Look at my photo if you need a reference. Don't forget to check the rubber o-ring and locking clip on both ends.

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The interior no longer looks like a absolute mess anymore and is all fully back together and functioning. The EDC and MDM buttons are functioning the way they are supposed to and I tested all the buttons to make sure they work as intended. Off to Hawaii I go for a week and back at this immediately when I get back!

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