Add Wish List Quick view Choose Options RaceChip XLR5 - BMW Z4 (E89) (from 2009) 30i (258 HP/ 190 kW) Next-gen throttle response for your BMW Z4 (E89) 30i The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The most refined... RRP: Was: Now: £199.00 - £249.00 Choose Options Compare