"What did you do to your E39 today V2.0."

[StRaNgEdAyS]

What in tarnation??

Absinthe makes the tart grow fonder

[setho]

Installed an M Factory Helical LSD unit into my 3.15. Waiting to test at Fontana tomorrow

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[philly98540]

Looks great! You check lash?

[setho]

Looks great! You check lash?

Of course! .0030, within specs. Had to swap the snap rings from one side to the other, as the snap rings are different thicknesses and what they use to set back lash. Drives smooth, hooks well. Will see tomorrow how much my 60' improves

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[JimLev]

Looks good...especially the blue cover.
Where'd you get the LSD from?

[Sinstr1]

New K&N air filter!

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Was stored winters by previous owner…. More money than knowledge.. Lol


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[setho]

Looks good...especially the blue cover.
Where'd you get the LSD from?

Thanks Jim. Long time, no talk.

The unit is made by M Factory. Bought it from Synchrotech Transmissions here in SoCal, but even ECS sells the unit. Paint was a bit tacky, as I didn't bother prepping well as I was on a time crunch

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[Mach540]

New K&N air filter!

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Oooohhhh... I hate meeces to pieces!!

[computiNATEor]

Thanks Jim. Long time, no talk.

The unit is made by M Factory. Bought it from Synchrotech Transmissions here in SoCal, but even ECS sells the unit. Paint was a bit tacky, as I didn't bother prepping well as I was on a time crunch

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Do the I6 E39s have a differential that can accommodate this unit, too? Or would I need to make other changes to the rear end? I like the 2.93 ratio with my 5-speed.

[setho]

Do the I6 E39s have a differential that can accommodate this unit, too? Or would I need to make other changes to the rear end? I like the 2.93 ratio with my 5-speed.

They have a unit for the i6 models. These setups dont change your gearing at all. They just change the spider gear assembly.

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[ColtonBH]

Do the I6 E39s have a differential that can accommodate this unit, too? Or would I need to make other changes to the rear end? I like the 2.93 ratio with my 5-speed.

Pulling these numbers out of my head so I'm not sure, but I think i6 diffs are 188mm, v8s are 210 (215?). If there's not a small case last unit, the V8 diff will fit with a modified/spliced DS.

Some of this information may be wrong, it's been a solid year, year and a half since I've messed with e39 diffs

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[auaq]

Yes, I6 have 188mm ring gear while the V8's came with 210mm. I believe the 540i had a 215/220mm gear. E46 M3, E32 750il, E39 M5 have the 210mm gear.

[RuskiE39]

Installed my 88c thermostat, runs at 93-95 now was running at 108-108 before. Hopefully there are no leaks anywhere.

[setho]

Installed my 88c thermostat, runs at 93-95 now. Hopefully there are no leaks anywhere.

Good call. I'm running the 90°C here, and dont see more than 194°F even with the SC and intercooler Heat exchanger. Picked up a Setrab 25 row oil cooler, time to save for the lines

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[philly98540]

Of course! .0030, within specs. Had to swap the snap rings from one side to the other, as the snap rings are different thicknesses and what they use to set back lash. Drives smooth, hooks well. Will see tomorrow how much my 60' improves

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Sounds good. I did a wavetrac. Similar unit. Your going to love it.

My install https://www.bimmerforums.com/forum/s...-DIY-with-Pics

[setho]

Sounds good. I did a wavetrac. Similar unit. Your going to love it.

My install https://www.bimmerforums.com/forum/s...-DIY-with-Pics

Haha I know! You were my reference guide! Lol. Thank you much for that.

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[computiNATEor]

They have a unit for the i6 models. These setups dont change your gearing at all. They just change the spider gear assembly.

Sounds good. I did a wavetrac. Similar unit. Your going to love it.

My install https://www.bimmerforums.com/forum/s...-DIY-with-Pics

Haha I know! You were my reference guide! Lol. Thank you much for that.

Awesome, thanks. Pretty competitively priced, too. Adding to the Christmas list

http://store.teammfactory.com/e39-52...t-helical-lsd/

[ColtonBH]

Awesome, thanks. Pretty competitively priced, too. Adding to the Christmas list

http://store.teammfactory.com/e39-52...t-helical-lsd/

I wouldn't have guessed the 535i uses the same diff case as i6 and i4 models

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[JimLev]

Thanks Jim. Long time, no talk.

The unit is made by M Factory. Bought it from Synchrotech Transmissions here in SoCal, but even ECS sells the unit. Paint was a bit tacky, as I didn't bother prepping well as I was on a time crunch

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Setho, I was looking at the link, didn't see one specifically for the 540.
Did you buy the one specified for the M5?
Looking forward to your dragstrip results. I'm guessing a 0.3 sec inprovement.

[setho]

Setho, I was looking at the link, didn't see one specifically for the 540.
Did you buy the one specified for the M5?
Looking forward to your dragstrip results. I'm guessing a 0.3 sec inprovement.

You were exactly right. From 13.3xx to 13.06. There is one for the 540i. Last 3 of the part number is E92

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[Yonkers320is]

Awesome, thanks. Pretty competitively priced, too. Adding to the Christmas list

http://store.teammfactory.com/e39-52...t-helical-lsd/

Ohhhhhh, my only drawback to the 528i was the lack of a LSD..... don't know why BMW stopped putting lsd unless it was an M car. Even my old e21, e30, and e28 had them as options....

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[justinca540i]

Ohhhhhh, my only drawback to the 528i was the lack of a LSD..... don't know why BMW stopped putting lsd unless it was an M car. Even my old e21, e30, and e28 had them as options....

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It had something do with the introduction of DSC I believe. So they'd simulate an LSD with DSC electronics

[setho]

You were exactly right. From 13.3xx to 13.06. There is one for the 540i. Last 3 of the part number is E92

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https://www.ecstuning.com/b-team-mfa...trs-05e92~tmf/


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[Yonkers320is]

It had something do with the introduction of DSC I believe. So they'd simulate an LSD with DSC electronics

Which is useless, even on snow I'm peg legged....

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[setho]

Dragged and tested the MFactory LSD. Picked up 3/10ths. Few minor tweaks and ill be into the 12s. Shame that Fontana has a bit of a grade

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