RJ595 said:Finally got it done this weekend. For anyone interested I opted for the Celtic E-motion 2 DIY job. Celtic "stage 3". Had a slight issue with the device talking to my ECU but the guys at Celtic pushed through an update and fixed the issue in a couple days.
Absolutely love the change and it's no joke to say it transforms the car (I think more so on the manual than the auto due to low speed driveability). Only regret is I didn't do it sooner!
Hi is your Z4 a 28i ?