PIPERCROSS Foam air filter for Alpina B 3 (E46) 3.3, 05/99 -

PIPERCROSS designs and produces high performances air filtrating products for automotive. PIPERCROSS' Engineers are experts in high tech polyurethane foam development, that makes PIPERCROSS one of the most famous filtration products manufacturer. PIPERCROSS' filters have a lifetime warranty and do not need to be changed, only cleaning process must be done. Materials and technologies used improve the time between two cleaning up to 15000km, when cotton filter must be clean every 5000km. The air flow improvement allows to reduce the energy consumption.

OE replacement air filter from PIPERCROSS are made of 3 layers of polyurethane foam with three different densities, that allow to be very effective but not saturate the layers with dust. Performances are constant even in very hard condition such as in Rallycross. Finally, PIPERCROSS has designed a diesel engine specific range that protect the mass air flow sensor by not using oil that are known to cause damages.

PIPERCROSS OE replacement air filters fit in the OE airboxes with no modifications.
Rectangular
Length : 240mm
Width: 170mm