Usually the foreign ecu needs to be coded to your car. And depending on what version of security you might need additional information. Let me know otherwise as I'm curious aswell.
Ross-Tech: VAG-COM: Immobilizer 2 ECU Swapping
Do you guys have a picture of the loom? Or where it might be in the engine bay? I can't really visualise where it goes.
-
Sucked in
Just found a 7.5 TT loom and ECU.......
What software are you running?Leave a comment:
-
Well thats the fun bit!! The obd port works as normal so it's just like tuning any car with the me7 ecu (s3, tt, polo gti etc) im running the stock maf and injectors and just staying out of boost until i get the tune done through gavin. This is where having an afr gauge comes in handyOriginally posted by Sirocco20348 View PostLeave a comment:
-
Also get these to mount your coil packs securely to the valve cover
Part number 077905390 like $20 from ebayLeave a comment:
-
Gavin pretty much hit the nail on the head with his reply. If you get everything from a wrecked car you could do it real cheap and probably make most of your money back selling the rest of the car. I would stear clear of a polo loomas the wiring lengths and mounting points may be different. My tt harness literally clipped into all the mounting points and grounds. I had to get most of the sensors separately az the guy already sold the engine but i still put it together for under a grand not including the tune.Originally posted by Sirocco20348 View Post
This is a complete list of all sensors that i replaced or added...
Maf
Map
Coil packs
Both o2 sensors
Throttle body
Accel pedal (get harness too!)
Knock sensor x2
Get a seperate wideband gauge as well, the innovate ones are like $300 and super easy to install.
Youll also have to resistor the n112 and n249 or add these systems in but dont do that.
The only thing i could think of that would make it tricky is if you have a t10a connector nearthe battery instead of a t14a connector. Apparently only really early mk4s came with a t10a connector but mine is nov 99 build and it has the t14a plug. Even if you do have the t10a plug its just a couple of wires that need repining.Last edited by Lito; 18-09-2016, 09:08 AM.Leave a comment:
-
I think you'd have to be keen to have a wideband set up to justify the change. Also probably worth fitting the VVT tensioner at the same time.
The cost could vary a bit depending on how you go about it. One donor vehicle would be the ideal solution. Golf/A3/TT being best in my opinion. Though you could do Polo parts but the fitment wouldn't be so hot as the ECU is bulkhead mounted.
GavinLeave a comment:
-
What are the rough costs involved. Harness, coil packs, throttle body, DBW accelerator pedal.. What else?Last edited by Sirocco20348; 14-09-2016, 08:22 PM.Leave a comment:
-
So i decided to keep it and turn it into something a little special. I ripped out the old me3.8 ecu and wiring loom and replaced it with a me7.5 wideband ecu and harness from an audi TT. The swap was pretty straight forward, all plugs are colour coded and matched up. The only tricky part was that i had an auto loom so i had to wire in my old speed sensor. If anyone wants to do this swap i am more than happy to share my knowledge, if i can pull it off, there's no excuse for you!
Also painted the cooler blaaaack
Leave a comment:
Leave a comment: