its the engine control unit... it manages all the working of the motor
you will also need the fuel tank and all the plugs and even the ignition
The ECU is at back of engine bay under windscreen beneath long plasic cover which is in two parts fixed by clips and two screws
Disconnect the battery for 10 min.
Need to know what type engine are you asking about, a newer VW? You can call a VW dealership and get an answer.
Yes im not a vw guy. Have owned audi tho . As long as it is the same model if not u prob have to change out the ecu
Disconnect battery for min. 3 hours, and ecu resetting.
If your Ecu or Cluster has been changed you will need to have them reprogrammed. Email me for more info. mrfixitfast777@yahoo.com
behind the clocks
Rain tray, driver's side.
Any vw engine that you can fit into the engine bay.
Yes, but you will need a few donor parts of the T25 diesel engine; sump, gearbox bellhousing, outlet manifold and engine support bars. Search for "club80-90" or "brickyard vw" for more help