Fuel-It S55 BMW (CPI) Charge Pipe Injection Kit Options:CPI Kit with AIC SS Controller Larger than stock diameter for

Larger than stock diameter for increased charge-air volume

Non-LCI:  2005 - 2008

The ARM downpipe kit is designed to fit both CBFA and CCTA applications

– Best customer support in the industry

Side Skirt compatibility: 2004-2009 E60/E61 5 series Sedan & Wagon

Fuel-It S55 BMW (CPI) Charge Pipe Injection Kit Options:CPI Kit with AIC SS Controller Larger than stock diameter forFuel It S55 BMW (CPI) Charge Pipe Injection Kit Advancements of S55 flash tuning and JB4 back end flash maps have removed the software fuel limits but created a new limiting factor, high fuel pressure pump volume. With higher boost targets and E85 fuel mixtures, the high pressure pump is not able to keep up with demand resulting in fuel pressure drops that trigger engine misfires, stuttering, and limit your overall performance. The Fuel IT S55 CPI kit