Performance software (tuning) for the MK4 2.0L 8v.
 

Engine codes AVH/AZG/BEV/BBW: Drive by wire (DBW; electronic throttle), remote tuning available.
Engine code AEG: Drive by cable (DBC), ECU mail in service only.

MK4 2.0L 8v Software
MK4 / NB 2.0L 8v DBC Software - AEG
USD $299.99
Info: The most advanced/aggressive program on the market, yet thoroughly tested to be completely saf..
MK4 / NB 2.0L 8v DBW Software - [AVH AZG BEV BBW BGD]
USD $299.99
Info: The most advanced/aggressive software (tuning) on the market for the MK4 Jetta / Golf / New Be..