F8X M3/M4 CF Drive shaft mod

[nyc951]

Are there THAT many F80 cars getting salvaged nowadays? Or are people stealing these carbon driveshafts like catalytic converters 🙃?

[Cronenberged]

+1

[nachizl8]

Depending on cost I may be in as well.

+1

[SQ13]

^ Same

[Cglhut]

If you get a couple modified and batch order with your driveshaft shop, I’m game to cover your time/costs for at least two to make it worth your while.

Depending on cost I may be in as well.

[Bry5on]

If anyone needs these locally in SoCal, I will have some available for pickup.

If you get a couple modified and batch order with your driveshaft shop, I’m game to cover your time/costs for at least two to make it worth your while. I’m in San Diego frequently.

[Cglhut]

If anyone needs these locally in SoCal, I will have some available for pickup.

You putting one of these driveshafts on your turbo car? Curious to know how much power these driveshafts are good for!

[nyc951]

Are there that many F80 M cars being dismantled? Where are these retailers getting these driveshafts from?

The Porsche 944 has a one piece driveshaft / torque tube - talk about a pain to drop.

[Consum3r]

If anyone has a contact for a trusted shop that can do this mod preferably in the NJ/PA/NY area please share.

[heinzboehmer]

How does it work on F80s? Do they also have to move the diff back?

Edit: Ah, looks like there's enough slack in the F80 CV to push the driveshaft back and slide it off the transmission flange: https://youtu.be/lofGPVOPWPc&t=267

[Obioban]

Happily there not that many projects that need the driveshaft to come out. But, yeah—will be more of a pita.

[e46IX]

hoping not to dampen the mood as the platform interchangeability and potentially low cost of this mod is very interesting

but having to drop your subframe just to install/remove a one piece driveshaft seems potentially really . . . . tedious

Just loosen the differential and move it back, but yes no doubt it becomes a PITA anytime you're doing something which requires removing the driveshaft. The stock driveshaft is a breeze to remove.

[bimmerfan08]

You don't have to drop the subframe. Just loosen the diff mounts to be able to push back and fourth the diff.

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Yep. Or just time it with a diff swap/upgrade, for example.

[Altaran]

hoping not to dampen the mood as the platform interchangeability and potentially low cost of this mod is very interesting

but having to drop your subframe just to install/remove a one piece driveshaft seems potentially really . . . . tedious

You don't have to drop the subframe. Just loosen the diff mounts to be able to push back and fourth the diff.

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[usdmej]

hoping not to dampen the mood as the platform interchangeability and potentially low cost of this mod is very interesting

but having to drop your subframe just to install/remove a one piece driveshaft seems potentially really . . . . tedious