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Thread: SMG tranny to manual?

  1. #101
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
    Posts
    306
    My Cars
    98 M3 3.2

    Bellhousings...

    Guys , a word of caution when replacing the bellhousing from another gearbox.
    I had a bellhousing which had come off a broken unit , the reason I didn't use it was that the specialists doing the heavy lifting for me specifically warned me against using another boxes bellhousing due to the fact that upon assembly each box is shimmed on the main shaft to obtain a specific bearing preload, and when you change bellhousings that preload changes, possibly causing binding or incorrect clearance between the main gear shafts.
    Which is actually the main reason this thread exists. Now having said this , maybe my info can be proven wrong-making things very much simpler for all.

    Oh and by the way, I noticed how hard it was to push my accelerator pedal in and decided to remove the potentiometer attached to it , and also removed the switch under the pedal and replaced with a custom stop. Throttle control is now a LOT better.
    I've also modified that relay in the fusebox again-I'll post some photos shortly,its more elegant than the previous contact bridging solution.

  2. #102
    Join Date
    Jan 2009
    Location
    London
    Posts
    12
    My Cars
    M3 Evo, 328 trackcar
    Hi Dus

    Thanks for the information. I'll go ahead with my plan and keep this thread updated of any issues. I guess if there ARE issues, then it will ruin my SMG tranny?

  3. #103
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
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    306
    My Cars
    98 M3 3.2
    This is the start recognition relay mod., note the link position.
    The relay will enable just before cranking and disable a couple of seconds the key is back to position 2.
    Attached Images Attached Images

  4. #104
    Join Date
    Apr 2007
    Location
    UK
    Posts
    100
    My Cars
    S50B32
    Hi DusM3, Thanks for sharing, what is the meaning of the last photo?

  5. #105
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
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    306
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    98 M3 3.2
    Quote Originally Posted by ellislau View Post
    Hi DusM3, Thanks for sharing, what is the meaning of the last photo?
    That is the pump relay and fuse enclosure, i was just showing that it was empty and not required.

  6. #106
    Join Date
    Jan 2007
    Location
    Ft. Pierce, Fl
    Posts
    1,330
    My Cars
    E36 M3
    I have a question about the reverse lock out springs... Once the holes are drilled, how do you compress the springs to get the green backing piece and clip in place? My car has been stuck on this stage for about a month now.
    Wow:http://forums.bimmerforums.com/forum...d.php?t=971063

    Just say no to cheap reps. Go real or go home.

    OZ bolt tools for $41 shipped:

    http://www.ebay.com/itm/OZ-FUTURAS-S...item51a0a55203

  7. #107
    Join Date
    Jul 2004
    Location
    DC
    Posts
    937
    My Cars
    2009 E90 M3 DCT
    Quote Originally Posted by FSUhorizon View Post
    I have a question about the reverse lock out springs... Once the holes are drilled, how do you compress the springs to get the green backing piece and clip in place? My car has been stuck on this stage for about a month now.
    You would need a press to get that in. No way in hell are you going to do it with your hands or any other tools (we surely couldnt). With a press, it was a piece of cake.

    Lutfy

  8. #108
    Join Date
    Apr 2007
    Location
    UK
    Posts
    100
    My Cars
    S50B32
    Mine was done in the workshop using a drill bench to press it it.
    Last edited by ellislau; 12-29-2009 at 11:31 AM.

  9. #109
    Join Date
    Jan 2007
    Location
    Ft. Pierce, Fl
    Posts
    1,330
    My Cars
    E36 M3
    Thanks to those who responded to that question.
    Wow:http://forums.bimmerforums.com/forum...d.php?t=971063

    Just say no to cheap reps. Go real or go home.

    OZ bolt tools for $41 shipped:

    http://www.ebay.com/itm/OZ-FUTURAS-S...item51a0a55203

  10. #110
    Join Date
    Dec 2007
    Location
    Sydney,Australia
    Posts
    198
    My Cars
    99 E36 M3
    I am amazed at the level of commitment and technical ability shown thus far for this conversion, My question is..
    Can a SMG equipped vehicle be converted to manual AS PER FACTORY ? And i mean leave no trace of a conversion except VIN/original purchase identifiers. ??
    Thanks in advance

    99 Anniversary Edition - E36 - ///M3 - Cosmos Black - SMG - Extended Nappa Leather -
    S50B32 - 236 KW - 320 HP

  11. #111
    Join Date
    Jan 2010
    Location
    Australia Adelaide south Australia
    Posts
    10
    My Cars
    e36M3,635csi

    peter

    Quote Originally Posted by DusM3 View Post
    This is the start recognition relay mod., note the link position.
    The relay will enable just before cranking and disable a couple of seconds the key is back to position 2.
    DusM3 is there any way I could get pics of your work on your car as my smg is stuffed(again) and I want to do the change I am in Adelaide, and just want to see what you have removed of the smg from the car .Thanks.Pete

  12. #112
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
    Posts
    306
    My Cars
    98 M3 3.2
    Quote Originally Posted by Petero635 View Post
    DusM3 is there any way I could get pics of your work on your car as my smg is stuffed(again) and I want to do the change I am in Adelaide, and just want to see what you have removed of the smg from the car .Thanks.Pete
    Sorry Pete I don't have any more photos other than what I've posted here already, though with everbody's contibution this thread really does cover basically everything you need to know - I guess some mechanical skills and tools are required, though if a mechanic did the hard stuff for you the info is gold.
    What really helps is to get the electrical diagram, (the link is here somewhere), you need the etk for parts perusal and the TIS to help you look up and understand what everything is for. I had to read and cross reference and interpret and decifer quite a few times before the parts list came together.
    I would suggest re-reading the thread over and over-line by line.
    Even if I took more photos it would'nt help as a lot of stuff is not in view, but as I get access I will put up more stuff.
    In the meantime if you have specific questions I'll help as I'm sure others will.
    Good luck

  13. #113
    Join Date
    Jan 2010
    Location
    Australia Adelaide south Australia
    Posts
    10
    My Cars
    e36M3,635csi
    Thanks Dus I am well into the change over and have organised the parts, and have a mate who will machine my bell housing, gear box.I have removed all the hydralics and gear change units now to remove gear box and bell housing for the machining.I have allready done the electrics and thenrest will be done by me at home.

    Thanks for all the info Pete

  14. #114
    Join Date
    Nov 2009
    Location
    egypt
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    30
    My Cars
    E30 M3 E39 M5 VW MK1
    manual for ever

  15. #115
    Join Date
    Apr 2007
    Location
    UK
    Posts
    100
    My Cars
    S50B32
    Confirmed that the gear shift light no longer working after the conversion.
    Last edited by ellislau; 01-30-2010 at 08:00 AM.

  16. #116
    Join Date
    Apr 2007
    Location
    UK
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    S50B32
    Quote Originally Posted by DusM3 View Post
    I'm definitely going to wire in that switch the moment I find out whether the other side of the switch is to 12v or ground, that intermittent stalling is very annoying.
    HI DusM3,

    Have you fixed the stall issue. My car also has the intermittent stall, i find that it happen when it is slowing down & de-clutching. My friend has the same conversion but doesn't have the stall issue, he is using a JB light weight flywheel.

  17. #117
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
    Posts
    306
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    98 M3 3.2
    Quote Originally Posted by ellislau View Post
    HI DusM3,

    Have you fixed the stall issue. My car also has the intermittent stall, i find that it happen when it is slowing down & de-clutching. My friend has the same conversion but doesn't have the stall issue, he is using a JB light weight flywheel.
    My situation is exactly the same, I have stock setup apart from the intake, though it was the same prior.
    I also have have a power loss issue, no fault codes using a peake scanner.
    Had the adaptions reset and no change. I haven't had time to pull out the cats to check for blockages, nor can I find a spare-the dyno operator suggested that would be the first thing he would check.
    Have you checked your power levels lately? If the engine is choking with high back pressure we may have a solution via the cats.
    Cheers.

  18. #118
    Join Date
    Apr 2007
    Location
    UK
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    100
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    S50B32
    Engine power level is so far is ok. Got a few error code from the Peake scanner 14 9b 8a, need to debug. I am going to check/clean check the idle control valve and vacumn lines, i hope it may help.

    I am adapting my driving style to avoid the stall and it seems to be working.

    When approaching a traffic light/roundabout, to slow down or stopping form 6th,5th,4th or 3rd gear, Heel-toe downshift to 2nd gear and declutch between 800 - 600 rpm.

    The M3 now becomes a heel-toe training machine.
    Last edited by ellislau; 02-01-2010 at 10:12 AM. Reason: Automerged Doublepost

  19. #119
    Join Date
    Nov 2007
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    Melbourne,Australia
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    306
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    98 M3 3.2
    Quote Originally Posted by ellislau View Post
    Engine power level is so far is ok. Got a few error code from the Peake scanner 14 9b 8a, need to debug. I am going to check/clean check the idle control valve and vacumn lines, i hope it may help.

    I am adapting my driving style to avoid the stall and it seems to be working.

    When approaching a traffic light/roundabout, to slow down or stopping form 6th,5th,4th or 3rd gear, Heel-toe downshift to 2nd gear and declutch below between 800 - 600 rpm.

    The M3 now becomes a heel-toe training machine.
    Yep, I do the same thing , though I'm struggling to find a heel/toe method that I'm comfortable with.
    Code 8a I believe is "switch gear"-when I had my injectors done the mechanic pulled it up and the explanation was "clutch input." I have the clutch switch on the pedal disconnected at the moment-but I had the same code prior to unplugging it. maybe its the missing switch input from the clutch hose.
    Anyway its a very annoying situation I seriously want to resolve.

  20. #120
    Join Date
    Apr 2007
    Location
    UK
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    S50B32
    Quote Originally Posted by DusM3 View Post
    Yep, I do the same thing , though I'm struggling to find a heel/toe method that I'm comfortable with.
    Code 8a I believe is "switch gear"-when I had my injectors done the mechanic pulled it up and the explanation was "clutch input." I have the clutch switch on the pedal disconnected at the moment-but I had the same code prior to unplugging it. maybe its the missing switch input from the clutch hose.
    Anyway its a very annoying situation I seriously want to resolve.
    Just did a search on the E36 Electrical Troubleshooting Manual and couldn't find information on the clutch pedal switch or the clutch hose pressure switch.

    Do both manual and SMG share the same DME and firmware? if not, can we simply replace the SMG DME with a manual DME ?
    Last edited by ellislau; 02-01-2010 at 10:55 AM.

  21. #121
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
    Posts
    306
    My Cars
    98 M3 3.2
    There is a physical input for the clutch switch-pin 80 on the dme, its listed in the pinout table, but in the schematics its not shown anywhere, so its a mystery where that wiring would go to.
    The clutch switch on the clutch pedal connects to the cruise control module.
    I have an early LHD harness here and there is no input to the dme nor a plug for the switch.
    Maybe reflashing the dme with manual software is a good starting point-I know it can be done as someone had theirs accidentally reflashed with the smg version and back again.
    Last edited by DusM3; 02-02-2010 at 12:34 AM.

  22. #122
    Join Date
    Apr 2007
    Location
    UK
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    100
    My Cars
    S50B32
    Just talked to my friend, he confirmed he cannot recall a single engine stall on his converted M3. There are at least two changes on his car different to mine:

    1. the Air Flow Meter was replaced before the conversion, it is now about 1.5 year old and covered ~15,000km.
    2. The DME has been Superchipped before the conversion.
    Last edited by ellislau; 02-02-2010 at 07:56 AM.

  23. #123
    Join Date
    Dec 2008
    Location
    Coventry, United Kingdom
    Posts
    25
    My Cars
    96 Evo Cab, 98 Evo Coupe
    Hi to everyone,
    My conversion is still working fine, so much so, that i had the oppurtunity to buy a cheap SMG Coupe with a working system (for now anyway!)
    It is a higher mileage abused car but feels a lot quicker than my now manual convertible,

    The convertible, as far as i am aware, is totally standard, (although it was imported in 98, unsure of where from but always been RHD) i have never had the stalling issue but am now thinking the engine is not giving full power. Could this be due to the DME? still thinking it is an auto?

    Any suggestions of where to start would be great,

    Cheers

  24. #124
    Join Date
    Nov 2007
    Location
    Melbourne,Australia
    Posts
    306
    My Cars
    98 M3 3.2
    Quote Originally Posted by goughie View Post
    Hi to everyone,
    My conversion is still working fine, so much so, that i had the oppurtunity to buy a cheap SMG Coupe with a working system (for now anyway!)
    It is a higher mileage abused car but feels a lot quicker than my now manual convertible,

    The convertible, as far as i am aware, is totally standard, (although it was imported in 98, unsure of where from but always been RHD) i have never had the stalling issue but am now thinking the engine is not giving full power. Could this be due to the DME? still thinking it is an auto?

    Any suggestions of where to start would be great,

    Cheers
    Hi Goughie, I'm spending a couple months in Europe from July, a big hope for me was to buy a manual version to drive around in, maybe even go to the Ring for a couple of days. Question is how do I go about finding one from here and organizing insurance, rego etc? The prices are really attractive, its the detail
    Re the power looks like starting with a reflash of the dme might be easiest, if you do it before I do please post the results.

  25. #125
    Join Date
    Dec 2008
    Location
    Coventry, United Kingdom
    Posts
    25
    My Cars
    96 Evo Cab, 98 Evo Coupe
    The problem at the moment is the car is off the road, have transfered insurance etc to the new one so it is not going anywhere for a while, started to look at laptop based obd scan/reset tools as i have not had the faults checked or cleared since the conversion, has anyone had any experience of them? they seem to be available to download from various (not very legal!) sites.

    When you say have the DME flashed, what do you mean? Please excuse my ignorance

    As for buying an M3 in the UK, there are plenty about, 3.0 one just sold for £2200, £3000 will buy a tatty but usable Coupe or Convertible with MOT (yearly safety test) insurance you will get on the day no problems but budget around £500 and road tax is £200 for the year, although the car you purchase may already have some left on it.

    Keep an eye on www.autotrader.co.uk and ebay of course

    Quote Originally Posted by FSUhorizon View Post
    I have a question about the reverse lock out springs... Once the holes are drilled, how do you compress the springs to get the green backing piece and clip in place? My car has been stuck on this stage for about a month now.
    I did not have access to a press, and the caps kept popping out, so i machined a groove round the inside of the hole, by hand with a Dremel tool, and used circlips to hold them in place.

    A bodge is only a bodge if it doesnt work
    Last edited by goughie; 02-03-2010 at 05:45 AM. Reason: Automerged Doublepost

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