JB4 and BMS stage 1. vs. RACECHIP. F90M5
Anyone can compare these two?
Burger offers a 4psi boost with stage1 and easy install plus a JB4 with multiple boost options and maps with phone control
RC offers two products ...how many maps and boost levels?
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2019 F90 M5 Comp-Marina Bay Blue-B&W,HRE 21" FF04,BMC,CarbonPro wing,H&R,ZW5
2017 BMW 330i - Estoril Blue - M Sport Package
2013 Lamborghini Aventador-Pearl Green-Modified
2004 Lamborghini Gallardo-Manual 6spd -Giallo Midas Pearl Yellow-Modified
2018 Range Rover Velar S-White
Last edited by Steeve19M5CP; 12-29-2018 at 05:13 PM..
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