S63TU & N63TU Charge Pipe Injection Kit (CPI) For BMW M5, M6, M550i, M650i sq7 Allows CEL removal without the

Allows CEL removal without the need for ECU tuning

• Preloaded with custom JB4 BMW tuning software and up to 8 maps for various fuel and modification levels

(MPI-specific software tuning is required)

and discussions on this product (see post #1): http://www

and will last the entire life of your vehicle

S63TU & N63TU Charge Pipe Injection Kit (CPI) For BMW M5, M6, M550i, M650i sq7 Allows CEL removal without theRunning ethanol blends and finding your HPFP's can't keep up? Here's the solution to your problem. Our CPI system runs off your low pressure supply and helps to supplement the fuel system so your HPFP's can keep up. These kits are only recommended for use with an E30 E50 mix and for those that are running upgraded intercoolers with meth bungs post intercooler.