B58 Gen 1 (F2X, F3X, G3X, G1X, G0X) Color:Black  The biggest performance difference

  The biggest performance difference is consistency

Package Contents:

More bass without clarity is just noise

(Optional) Off the shelf (OTS) tunes for 91/93/Race gas/E85 octane (SEE HERE)

not by checking the production date of your vehicle chassis

B58 Gen 1 (F2X, F3X, G3X, G1X, G0X) Color:Black  The biggest performance differenceThe Precision Raceworks B58 Port Injection kit with flex fuel compatibility is a necessity to safely and sufficiently support the power levels anyone needing additional fueling. This kit is capable of providing supplemental fueling to all BMW's equipped with B58 Gen 1 engine (see fitment guide for full details). The complete kit integrates seamlessly into your car like it left from the factory with it installed; you can barely even see the kit once