K&N Universal Rubber Filter 4in FLG 9IN x 5-3/4IN B / 7 x 4-1/2IN T / 7-1/2IN H YMM_2004_2013_BMW_1_Series_I_LCI_E87_E81_E82_E88 Its superior lubrication reduces friction

Its superior lubrication reduces friction and engine noise

making it suitable for enthusiasts looking to enhance their vehicle’s performance and sound profile

Its 45-degree bend allows for smooth routing of intake or intercooler piping

Installation involves replacing the factory intake with the included polished aluminum tubing and heat shield

Part #: DD6406P

K&N Universal Rubber Filter 4in FLG 9IN x 5-3/4IN B / 7 x 4-1/2IN T / 7-1/2IN H YMM_2004_2013_BMW_1_Series_I_LCI_E87_E81_E82_E88 Its superior lubrication reduces frictionThe K&N Universal Rubber Filter is a versatile air filter designed for a wide range of applications, including racing vehicles, radio controlled cars, generators, snowmobiles, and tractors. Constructed with durable molded pliable rubber flanges, this filter absorbs vibration and ensures a secure attachment, while its stretchable design allows for a fit in between sizes up to 1 16 inch (1. 5mm). Washable and reusable, it offers long lasting performance