BMW cold air intake fits BMW E46 323/325/328 (exc 330/M3), large 76 mm polished aluminum intake tube with high performance air filter. Fits all models, even those with HID lights (although 1 HID unit must be reoriented with included bracket). The high performance air filter is relocated down below the headlight assemble is a high pressure cold air intake position. Our intake does not require you to remove the front bumper as some other models do. The position of the air filter is high enogh to reduce the likelyhood of water ingestion during rain. Improves throttle response and increases HP about 3-5 HP.