Quality
Manufacturer logo

Testimonials

BMW 530 E61
Noticeable difference to torque, power and economy, well worth it, takes out the sluggish spots.…
AndyA
19 February
BMW 120D M Sport 184BHP
easy to fit in under 5 mins (once you've studied a few things), and setting 3-8 did nothing. 10 was very noticeable in taking probably a second or more off the 0-60. running a…
Dave
16 March 2018