3-Series (E36)Chat relating to the BMW 3-Series from 1992-1999. Autodoodad
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Dont ask me why but I need to put a '98 BMW 325i engine into a '99 M3.
Please dont ask me why I would do this as there is a very good reason behind it, but I need to try to get this swat into my M3.
I have never swapped motors on BMW's!!
Please let me know if it is a direct bolt on or if I have to do any kind of modifications. I have a '98 325 complete swap, engine harness and ECU.
PLEASEW HELP ME!!!!
Dont ask me why but I need to put a '98 BMW 325i engine into a '99 M3.
Please dont ask me why I would do this as there is a very good reason behind it, but I need to try to get this swat into my M3.
I have never swapped motors on BMW's!!
Please let me know if it is a direct bolt on or if I have to do any kind of modifications. I have a '98 325 complete swap, engine harness and ECU.
PLEASEW HELP ME!!!!
OK, WELL HERE IS THE DEAL!!! I BLEW MY MOTOR ABOUT 3 MONTHS AGO AND AS YOU GUYS KNOW THESE MOTORS ARE EXPENSIVE AS HELL. MY BUDDY HAS A FULL SWAP OFF OF A '98 325 w/ LESS THAN 80K ON IT, LAYING AROUND AT HIS DEALERSHIP. HE WAS WILLING TO SELL ME THE FULL SWAP FOR UNDER $1000, SO I WOULD THEN DROP THAT MOTOR INTO MY CAR SO I CAN USE IT AS A PART TRADE FOR AN E46 OFF HIS LOT. I BELIEVE HE WILL LATER RUN MY CAR THROUGH THE DEALER AUCTION AS AN AS-IS VEHICLE.
This sounds shady as hell. Until I hear a convincing reason, I'm not going to say anything about this.
AND BTW........ ITS NOT ACTUALLY AN M3 THAT I HAVE BUT A '99 M ROADSTER. I STATED M3 JUST BECAUSE I KNEW THERE WILL BE ALOT MORE PEOPLE THAT COULD HELP ME UNDER THE 3 SERIES (E36) FORUM AND I ALSO KNOW THAT THE M3 AND M ROADSTER ENGINES ARE IDENTICAL. WELLLLLLLLLLLLLL......., I HOPE I AM RIGHT ABOUT THAT ONE.
It should be a very easy swap as engine swaps go. The engines are basically identical on the lower end. Make sure you get everything ecu, maf, etc. Get some extra hoses you can cut/rout as needed. I'm not sure if the engine is mounted differently in the roadster than in an E36. So the mounts might need to be fabed, you could use the current engine as a guide. If you can refab the mounts that exist, the drive shaft should bolt right up. You'll be slow, if its a manual you might have issues with the car stalling while the clutch is in unless you feather the gas.
However, I wouldn't do the swap. It still sounds shady to me and I doubt you will recoup your costs. And you may have the person that ends up with the car coming to look for you.
it may just be me but that is something i wouldnt do. I would rather piece the car out and buy the car i want or if that was too much i would dismantle the entire engine replacing exactly what is damaged with a junker and use all of the old parts to assemble a complete engine again.
last resort would be a personal loan to get a new engine but with upgrades such as PnP, possibly Bore'd.
There is somethin up when a guy will give you an engine swap for 1k then take it back once its in a chassis. . . . .
plus if your friend is selling the car again, I'm not sure he will tell people that there's a different engine with less hp in it
plus your car will lose value with the 2.5 engine, even if you try to trade it
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NEED HELP ASAP!!! E36 '98 325 Engine Into '00 M3 
2000 BMW 528i
1988 BMW 325i Touring
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