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aFe BMW N55 Magnum FORCE Stage-2 Si Pro 5R Cold Air Intake (135i, 335i & X1)
This intake has been discontinued and superseded with part number 52-31912
This all new Sealed Intake System produced 9hp and 14lbs. x ft. torque and outflows the factory intake by 20%. This system uses a Pro 5R progressive weave filter for maximum airflow and increased performance. This unique sealed air intake system uses a one piece rotomolded air intake tube that snaps onto the factory lower air box for a quick hassle free installation. The lower air box retains your factory ram air scoop to keep cool air flowing for maximum power gains. This installation takes approximately 20 minutes and comes complete will all necessary hardware.
3-1/2" Tall Conical Pro 5R Air Filter: This intake utilizes a huge, 3-1/2" tall conical Pro 5R performance air filter with inverted top for increased performance. The PRO 5R air filter uses five layers of progressively finer mesh cotton gauze media to 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 a longer service cycle between cleanings.
One-Piece Rotomolded Intake Tube: A one piece rotomolded tube is used to retain your factory lower air box. The lower air box retains your factory ram air scoop which provides constant cool air and keeps warm engine air out for maximum performance. This one-piece intake tube uses factory mounting locations for a hassle-free installation.
Dyno Tested Intake Tube: The intake tube is designed to maximize air velocity and is dyno and flow tested using the latest engineering tools for maximum performance, mileage and throttle response.
- +9 HP and +14 Lbs. x ft. of torque
- One piece rotomolded intake tube increases air velocity and improves engine performance
- Dyno tested intake tube for maximum horsepower and torque
- Hassle-Free installation provides less time wrenching and more time driving
- 3-1/2" tall conical Pro 5R filter protects your engine from dust and increases air flow
Dyno Graph (Click to enlarge)
BMW 135i (E82/88) 11-13 L6-3.0L (turbo) N55
BMW 335ix (E90/92) 11-13 L6-3.0L (turbo) N55
BMW X1 35ix (E84) 11-15 L6-3.0L (turbo) N55
BMW 335i (E90/92/93) 11-13 L6-3.0L (turbo) N55
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1 year warranty
Next Day UK Delivery
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