bmw x5 e53 and twin turbo engine

[cuban_bmwx5]

now i was wondering if the newer x5 engine with the twin turbo would it fit in a e53 model?

[JCL]

Physically, probably.

But since none of the electronic controls would interface, it is not a practical swap.

[cuban_bmwx5]

so you telling me it can be done just alot of stuff need to be changed pretty much?

[JT///MC]

you're better off buying the X5M.

[JCL]

Originally Posted by cuban_bmwx5

so you telling me it can be done just alot of stuff need to be changed pretty much?

Nobody has ever done it, so this is all speculation. I am telling you that there is likely physical space to bolt the twin turbo engine in, but by the time you add in everything to make the computer believe it is an E70 (control modules, gauge cluster, full wiring harness, all sensors, transmission, transfer case, etc, etc) there is absolutely no point to it. That is because the software in these vehicles is specific to all of these components, and everything is integrated together.

[cuban_bmwx5]

i see i see well i was just wondering if it could be done now i know it could just gotta do alot of stuff to it lol but thanks for your input tho

[Spanker]

I dont see why it couldnt be done. The main issue is not electronics, it would be engine to transmission and frame match up.

The engine electronics are almost self contained. You could run that engine on a test stand with the computer attached and without the car electronics.

If this was a vette or a sports car, someone would have already made a conversion kit for it. X5.......... nahhhhhh.

If I were to attempt it and go through the trouble of a conversion. . . .I would be trying to shoe horn a supercharged LS-7 in there.....

[JCL]

Originally Posted by Spanker

I dont see why it couldnt be done. The main issue is not electronics, it would be engine to transmission and frame match up.

The engine electronics are almost self contained. You could run that engine on a test stand with the computer attached and without the car electronics.

Except that the engine electronics are not self-contained, they are integrated to (and communicate with) the transmission electronics, the transfer case electronics, the gauge cluster, the energy management system electronics, and so on. How would you implement iDrive in an E53?

[Jordo]

I think a motor and trans from an X5M would get in there. But I agreed the biggest challenge would be electronics. I do believe the motor and trans would only need their own computers and it would work! But I also think it would throw codes every second it was running and prolly always be stuck some fail safe mode.

[Yii]

damn... what a sleeper x5 mmmm sick sick dreams... hope someone does it rofl