Autometer Phantom 52mm Wideband Air/Fuel Gauge 2009-bmw-550i-base-esi1621365 or other gear

or other gear

This 7-1/2 IN tall 360-degree radial flow air filter features a 3-1/2" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience

Made with fiberglass and proprietary vacuum infusion process to ensure proper fit and finish

Externally adjustable bypass technology

From the uniquely integrated Filter-to-Housing design to the state of the art

Autometer Phantom 52mm Wideband Air/Fuel Gauge 2009-bmw-550i-base-esi1621365 or other gearKnowing the exact air fuel mixture running through your engine is the most important factor to extracting the highest levels of performance and durability. Not all wideband gauges are created equal. AutoMeter utilizes an advanced calibration method that automatically calibrates your gauge on every startup to assure you of the highest degree of accuracy over the entire lifespan of your sensor (no free air calibration is ever necessary). Compatible with