The BMC FB421/01 Air Filter is a high-performance replacement air filter designed to optimize air flow while providing superior filtration capabilities. Made with premium materials, this panel air filter is able to capture impurities as small as 7 microns, surpassing the standard OEM filters that can only contain particles down to 10 microns. The Full Moulding system used in the production of BMC air filters ensures durability and longevity, with no welded joints that could lead to breakage.

Constructed with a multi-layered cotton gauze soaked in low viscosity oil and covered in an epoxy coated alloy mesh, the BMC air filter provides protection against petrol fumes and oxidization due to air humidity. This filter is pre-oiled and can be easily cleaned and regenerated using the BMC regeneration kit, making it a cost-effective and environmentally friendly option for maintaining peak performance in your vehicle. With a 2-year limited warranty and easy installation in the original airbox, the BMC FB421/01 Air Filter is the ideal choice for drivers looking to enhance their engine's performance and longevity.

Compatible with various BMW models and equivalent to part codes such as 13717521023, 1371752103701, and 13717521037, the BMC Air Filter is a reliable and efficient replacement option for your vehicle. Increase your engine's efficiency and protect it from harmful impurities with the BMC FB421/01 Air Filter, the industry-leading choice for performance air filtration systems.