Brand: K&N Engineering
K&N reusable Filtercharger Air Filters are designed to increase horsepower and acceleration while providing excellent filtration. No modification is required to the stock airbox. Fits 86-92 BMW 370I/IL, 86-94 BMW 730I/IL, 88-95 BMW 535I, 88-91 BMW 530I, 90-94 Audi V8 Quattro, 1992 Audi S4, and all years of Audi S6. Flat panel filter measures 14 7/8 x 5 13/16 inches (378 x 148mm).