It's located at the front Side of your boot under the carpet. On my cars being there RHD, it's on the left side. So if yours is a LHD it could well be on the right. Your looking for the ECU that stands vertical and is slotted into a metal holder with 4 relays on the side of it.
If its the same as a 348 its just in the corner so as mentioned you'll need to pull the carpet up. (pic is of a RHD car) Image Unavailable, Please Login
Just be aware its hooked at one end and a spring loaded clip at the other. I removed mine and applied some contact cleaner in an attempt to cure ABS gremilins Image Unavailable, Please Login Image Unavailable, Please Login Image Unavailable, Please Login