BMW 1 / 2 / 3 / 4 / 5 / 7 Series & X1 / X3 / X4 / X5 Air Intake Breather Pipe Ventilation Hose 2009 - 2022 (Replaces 13717823517) Door Locks Do these headers need paint

Do these headers need paint or ceramic coating

Zinc coated threads (No inside paint like the competition

which requires an intercooler

You'll need to source fasteners compatible with your vehicle's factory mounting holes — check your service manual or contact the dealer parts department for the exact spec

Factory-style fitment with power fold and heat elements for year-round visibility

BMW 1 / 2 / 3 / 4 / 5 / 7 Series & X1 / X3 / X4 / X5 Air Intake Breather Pipe Ventilation Hose 2009 - 2022 (Replaces 13717823517) Door Locks Do these headers need paintRestore proper engine breathing and intake performance on your BMW with this premium air intake breather pipe ventilation hose, precision molded from high strength ABS plastic for superior heat resistance, impact durability, and long term reliability. The factory air intake breather pipe is a critical component in the engine's crankcase ventilation system and when it cracks, splits, or fails, the resulting vacuum leak can cause rough idling, lean fuel