Sold my Z4, and have this left.
TMC tuning box for BMW Z4 sDrive20i
http://www.tmcmotorsport.com/TuningBoxDetails.aspx?SID=608895664
Takes the car from 184 bhp to 249 bhp. 270NM to 360NM torque
I used it for 16,000 miles with no problems.
Made it a whole lot more fun to drive. Took it off and returned the car to it's docile original state.
For sale on eBay: http://www.ebay.co.uk/itm/TMC-tuning-box-for-BMW-Z4-sDrive20i-E89-twin-scroll-2-0-turbo-/301693637091?
TMC tuning box for BMW Z4 sDrive20i
http://www.tmcmotorsport.com/TuningBoxDetails.aspx?SID=608895664
Takes the car from 184 bhp to 249 bhp. 270NM to 360NM torque
I used it for 16,000 miles with no problems.
Made it a whole lot more fun to drive. Took it off and returned the car to it's docile original state.
For sale on eBay: http://www.ebay.co.uk/itm/TMC-tuning-box-for-BMW-Z4-sDrive20i-E89-twin-scroll-2-0-turbo-/301693637091?