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If you have the SK Plus Sporty Drive with 275 HP / 286 HP, you've got a 120mm Pulley. Thats the maximal amount of pressure, which is usable with a "standard-bmw-dme-software" and without any changes at the fuel delivery system.
If you want more power, you should buy a 110mm pulley, another fuel-pressure-regulator (4 BAR) and should spend some time at a good custom tuner to get your DME tuned for a supercharged system...
Hi Hageee, I have take contact with G-power and the guy ( Mr BRAUN Konstantin ) said to me i can't not put another pulley on my s/c kit without software, it's thrue that my friend ?
Where i cant buy this 110mm pulley please ?
I'm from luxembourg, i have the same Supercharger kit as you but on a bmw 330ci cab facelift ( i have made mine @ Autenzell ) :)... i have see your topic about your install and i have somme question about the pulleys kit from Gpower, witch pulley i most go to have 7psi please my friend ?
Cant you also tell me yours specs @ this moment on your SC Gpower kit ;)