K&N Auto Racing Filter (28-4235)This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N racing air filters are washable and reusable and come with a one year limited warranty. Designed to increase horsepower and acceleration Designed for racing applications Washable and reusable lifetime air filter Dual cotton layers One year limited warranty

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Outside diameter: 70mm (2 3/4")

E90 fits M3 models only

Extensive testing has proven our oil catch tank’s ability to effectively reduce sludge and carbon build up

By recirculating the hot air back into the intake side of a turbo the temperatures increase

the OE intercooler along with higher inlet air temperatures will have a detrimental impact on the Suzuki’s engine

Foam Filter - FMPK0182

replacement for my stock 1

which is exactly what the Forge Motorsport intake does

whether factory or aftermarket

✅ UK stock – fast dispatch

This part fits vehicles up to VIN 2A626645