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BMW 3-Series (E90 E92) Forum
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Decided to fit a M3 diff
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02-11-2012, 09:58 PM | #133 |
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Advan Sydney
Hi there
Our work shop is doing this conversion now to the E92 shop car, we are fitting a complete M3 manual rear end, just need to make up some new lower shock mounts, swap over the brakes and shorten the drive shaft. will be complete next week i will post some pictures. not a big deal to do total time around 1 day. |
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02-11-2012, 11:06 PM | #134 | |
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02-12-2012, 06:53 AM | #135 |
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Correct.
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08 E90 335i AT RB Turbos -NX Wet Kit - Chiplogic Flash or Procede V5- M3 Diff - AE Exhaust- Forge Dv's - Helix Intercooler - AR DP's - P3 Boost Gauge - Vishnu Meth- Stett Chargepipe and CAI
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03-02-2012, 08:36 AM | #137 |
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I know I have promised for pictures for many months to years hehe so I decided to drop the exhaust last night and take some pictures for you guys of what was done to make it fit. Keep in mind its a E92 Propshaft on a Auto Box.
Excuse the nitrous and fuel line I also noticed when I was uploading loose diff bolt on the right.so under the car I go again. The marriage.
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08 E90 335i AT RB Turbos -NX Wet Kit - Chiplogic Flash or Procede V5- M3 Diff - AE Exhaust- Forge Dv's - Helix Intercooler - AR DP's - P3 Boost Gauge - Vishnu Meth- Stett Chargepipe and CAI
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03-02-2012, 10:21 AM | #138 |
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such a coincidence. i'm sitting here at the service waiting and looking how it all turns out, lol/ by now the m3 3.15 differential bolted to the undercarriage, it looks almost twice bigger than the stock one lol. hope the exhaust bolts back . pity i don't have the bolts , will try to find something matching i guess or will order some.
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03-02-2012, 10:53 AM | #139 | |
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08 E90 335i AT RB Turbos -NX Wet Kit - Chiplogic Flash or Procede V5- M3 Diff - AE Exhaust- Forge Dv's - Helix Intercooler - AR DP's - P3 Boost Gauge - Vishnu Meth- Stett Chargepipe and CAI
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03-03-2012, 05:49 PM | #140 | |
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08 E90 335i AT RB Turbos -NX Wet Kit - Chiplogic Flash or Procede V5- M3 Diff - AE Exhaust- Forge Dv's - Helix Intercooler - AR DP's - P3 Boost Gauge - Vishnu Meth- Stett Chargepipe and CAI
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03-03-2012, 08:24 PM | #141 |
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i wasn't at the service today, but the rear m3 sway bar was fitted, the half-shafts fit in the hubs, missing bolts and things that connect those bolts by two were matched, when fitting e92 driveshaft surprised to find that used without modification its longer itself, but the bearing fit right in the holes. so i will send the driveshafts to dnepropetrovsk to make the modification in length and marry the stock front flange to m3 driveshaft with the professional driveshaft welding machine , balance it in whole and receive it back by wednesday-thursday i guess.
meanwhile, send you the best regards, if not you George, i wouldn't ever have an lsd. it cost me $1000 in parts, ~$100 for driveshaft work and i guess about $140 for the dis/assembly. here's the only pic i had so far. and no, my car is not even close to the cleanness of yours.(it's winter here, so don't mind the wet/dirty spots) i hope i can even sell my stock parts to make up for the cost. hope it makes my car better. View post on imgur.com |
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04-19-2012, 11:11 AM | #143 |
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Drives: AW 07 e92 335i + AW 11 X5 35d
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Can one just swap the output flanges on the diff instead of swapping the the half axles too or are they completely different?
I swapped in a torsen LSD on my e30 from a E36 Z3 and even though the half axles were different, I got it to work by just sapping the output flanges. |
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04-21-2012, 03:08 PM | #145 | |
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ATTENTION! If you use a complete M3 shaft you need to swap out the central bearing and use the 335i one. Otherwise it won't be aligned |
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05-24-2012, 10:41 PM | #146 |
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Nice work, has anyone tried this in a 1 series? I want to go this route over aftermarket. Might be cheaper considering I have a 6sp mt and my open diff is welded.
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05-26-2012, 04:09 PM | #147 |
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@ smallseafishie: You can't swop out the flanges. 1) The flange lengths (going into the diff) are not the same length. 2) The clip that retains the flange in the diff, is on the flange for the 335, but in the diff for the M3.
One of the reason for the diff change is for much stronger CV's |
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05-27-2012, 10:25 AM | #148 |
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Sooo if you are taking on this project you need to swap both axles, and drive shafts, but have the rear axle cut
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05-27-2012, 07:10 PM | #149 |
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That's correct. The axles/side shafts have to be from the M3. If you can't get the M3 drive shaft, you can use the E39 (535i, 540i) or E38 (735i, 740i ,750i) rear half.
This is a bit more work as these drive shafts have the bolts "fitted" to the rear joint. One can smack them out with a hammer and then use bolts 26 11 7 526 322 (M10X52). This is the same bolt used on all E60 and E65 models. You will then need to modify your rear half of your shaft to take this joint. |
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05-27-2012, 08:02 PM | #150 | |
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05-28-2012, 10:42 PM | #151 | |
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///1M #643 of #740
Last edited by 1&done; 05-29-2012 at 10:10 PM.. Reason: (added length) |
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05-29-2012, 05:36 PM | #152 |
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I don't think the M1 shaft will be close enough, considering the M1 is based on a different platform the other 1 series. It would have to be modded, and chances are you will have to mod where the bearing carrier is. Keeping your original shaft would not entail moving the center bearing, just modding the rear part to fit the M3 or 5/7 series shaft.
Below, you can see the part numbers for the 135 and M3 driveshafts. You can also see their lengths. 135i Man = 1371mm, Auto = 1373mm M3 Man = 1441mm, DCT = 1456mm |
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05-29-2012, 09:35 PM | #154 | |
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To the OP...Not trying to I am just trying to get some facts and details for doing this mod in the 135. Maybe one day this will be a sticky.
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Last edited by 1&done; 05-29-2012 at 09:54 PM.. |
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