aFe MagnumFLOW Air Filters OER P5R A/F P5R BMW M3 (E90/92/93) 08-09 V8-4.0L (US) Engine Components>Oil Pumps (p/n 450-502002-B) Both the stem

(p/n 450-502002-B) Both the stem and bolt threads are pre-coated with Vibra-tite threadlocker

as well as no need to tap into the ignition wire

1/16 NPT Boost port with 5/32 hose barb

you will feel quicker turbo spool up times

of torque max gains

aFe MagnumFLOW Air Filters OER P5R A/F P5R BMW M3 (E90/92/93) 08-09 V8-4.0L (US) Engine Components>Oil Pumps (p/n 450-502002-B) Both the stemConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between