BMW G8x M3, M4 & G2x M340i, M440i Stand Alone Auxiliary Fuel System 230i (F22) Heat Shield Technology: The included

Heat Shield Technology: The included heat shield effectively insulates hot air

Looks great under the hood

(1) N55 billet adapter nipple

Easy Maintenance: The air filter is crafted for simplicity and ease of maintenance

The bolts are the spacer width longer than the factory bolts

BMW G8x M3, M4 & G2x M340i, M440i Stand Alone Auxiliary Fuel System 230i (F22) Heat Shield Technology: The includedThe Precision Raceworks BMW G8x M3, M4 & G2x M340i, M440i Stand Alone Auxiliary Fuel System is the highest performing and most stable low pressure fuel system on the market! Forget about how things have been done and embrace the benefits of dedicated fueling for your port injection! Since direct injection came out for BMW, enthusiasts have been adding port injection. With this came the need to upgrade the low pressure fuel system to keep up.