Port injection helps achieve a more complete fuel burn by introducing fuel upstream of the intake valve

along with better dynamic fluid properties

eliminating any possible pinion angle issues

This kit comes with 14x 11mm Studs

Poor Fuel Economy: Since the VANOS system helps optimize fuel efficiency by adjusting camshaft timing

5150 AutoSport Crank Seal Guard, BMW N54/N55/S55 BMIVN-1063S-16 Port injection helps achieve aOn the BMW N54, N55, and S55 engines, the accessory belt is situated in an area where coolant and oil leaks are common. When the accessory belt is affected by even a mild leak, it can begin moving off of the crank pulley, causing the belt to fray. The tiny shards of rubber created by a fraying belt then work themselves into the crank seal, where they are picked up by the timing chain and begin to cause detrimental problems. A simple, cost effective