Do Bosch 550 Fuel Injectors require a re-flash/ re-tune after installation on a 2006 R53 MCS , S/C with Cravenspeed 15% pulley & C/S lightweight stock crank pulley, & Milltec header ?
6th Gear
Ditto....
Anything larger than a 380cc injector will require a manual change to the tune.
Anything larger than a 380cc injector will require a manual change to the tune.
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