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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 03-25-2009, 12:42 AM   #21
SL Blak Soldier
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hmm have you tried fitting the lsd internals into the e46 diff?

*edit nvm* TxZHP04 just cleared that up. sorry. its been a long time since i've been on this threaad.


hey good try though man. a lot of props just because you are out there trying different shiet!
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Old 03-25-2009, 05:57 AM   #22
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thanks bro i guess all of it was riding on whether the subframe would bolt up. some good news for me i guess; i found someone with an e36 that wants to buy the LSD from me haha. that way i won't have the diff just sitting here in my house.
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Old 04-16-2009, 05:43 PM   #23
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There's a damaged e36 m3 differential at my cousin's shop that was replaced yesterday. I did my diff bushings last week. The mounting positions are different in the rear... they have two horizontal bushings in the rear with bolts that are parallel with the centerline of the vehicle. E46 non-m has a single bushing in the rear that runs perpendicular to the centerline of the vehicle.

As far as the internals are concerned: if anyone has an e46 diff they're willing to donate to the cause... I can prob pick up the e36 m3 diff for free. I'm checking with my cousin to see if they're going to scrap it or not.
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Old 04-16-2009, 05:53 PM   #24
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You know you can do an e46 m3 rear swap. If you take the time to search it can be done for $1000 or less. I'm in the process of trying to finalize my project. Its a direct bolt up. You need the e46 m3 subframe, driveshaft, axles, and diff and thats it.
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Old 04-16-2009, 07:12 PM   #25
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I know that the E36 internals won't fit into an E46. My car was the first E46 LSD that Jim Blanton did back in 2000. At the time, World Challenge racers were heavily modifying the rear of the car to stick in an E36 diff. For Motorola Cup (which is Koni Challenge today), it was not allowed to try to fit an E36 diff in it. So, Jim found a LSD carrier and machined the case to make it fit. So, if Jim couldn't get a E36 carrier in there, it probably wouldn't fit.
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Old 04-16-2009, 07:27 PM   #26
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Damn, well scratch that. If it were anyone else, I'd probably tell you to "screw off" but I know you're a seasoned racer/builder.

Thanks for the info
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