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In BMW's with the N55, the intake system is partially limited. The bottom portion is lightweight and great for feeding cold air to the intake, but the top portion is excessively restrictive. Working with some of the original equipment, this intake continues to utilize the bottom portion of OE ducting and heat shielding, but replaces the top with new high flow ducting and a performance filter. Extensive testing showed up to a 10+ HP gain to the wheels and allows for quicker turbo spool speed. Plus, this design gives you a great sound improvement, letting you hear both the intake and turbo spooling!
Installation and removal is extremely quick and easy, taking only 5 minutes in the driveway!
Features:
In BMW's with the B46 engine, the intake system is partially limited. The bottom portion is lightweight and great for feeding cold air to the intake, but the top portion is excessively restrictive. Working with some of the original equipment, this intake continues to utilize the bottom portion of OE ducting and heat shielding, but replaces the top with a new high flow inverted performance cone filter. Extensive testing showed up to a 10+ HP gain to the wheels and allows for quicker turbo spool speed. Plus, this design gives you a great sound improvement, letting you hear both the intake and the turbo spooling!
**B46 Engine (Forward facing, intake on the left) - (B48 Intake)**
This product was last offered at the strikethrough price on
01-28-2026
In BMW's with the B58 engine, the intake system is partially limited. The bottom portion is lightweight and great for feeding cold air to the intake, but the top portion is excessively restrictive. Working with some of the original equipment, this intake continues to utilize the bottom portion of OE ducting and heat shielding, but replaces the top with a new high flow inverted performance cone filter. Extensive testing showed up to a 10+ HP gain to the wheels and allows for quicker turbo spool speed. Plus, this design gives you a great sound improvement, letting you hear both the intake and the turbo spooling!
**B58 Engine - BMW 140 240 340 440 - (B58 Intake)**
This product was last offered at the strikethrough price on
01-28-2026
BMW Cold Air Intake System delivers more cool air to your BMW's engine, enhancing performance and producing an aggressive yet refined turbo whistle. Designed for significant performance improvements and ease of use, this intake system offers a range of benefits.
This product was last offered at the strikethrough price on
01-28-2026
Unique One-Piece High-Quality Housing w/ Auxiliary Inlet:
The smooth one-piece high quality sealed housing with auxiliary air inlet is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. A large, clear sight window is used for a hassle-free filter inspection and an aggressive style. Unique Filter-to-Housing Interface. (US PAT 9440175)
Carbon Fiber Trim On Housing:
This Momentum GT intake system offers carbon fiber trim on the housing to give that motorsport appearance. This cover overlay is constructed of lightweight high gloss, clear-coated 2 x 2 twill-weave carbon fiber.
High-Quality Tube:
This system uses a high quality, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit.
Large 5-Layer Performance Air Filter:
The Momentum GT intake is designed around an oil-free, large 7-1/2" tall inverted top 360-degree radial flow performance air filter with 5-layers of progressive finer mesh cotton media providing maximum airflow and performance. The unique air filter to housing interface (patent pending) allows for maximum filter size which increases the available air volume while simplifying the installation process.
Premium Hardware:
Premium stainless steel clamp is used for strength while also providing the most secure installation available. Momentum intakes are designed with fewer parts for a quick and simple installation.
Note:
This intake system is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.
This product was last offered at the strikethrough price on
01-28-2026
HP Gain: +13hp
Trq Gain: +13ft-lbs
Airflow: +28% over stock
aFe has engineered the Momentum GT intake to outperform the stock air box and deliver substantial power and torque gains over the factory system. The B58 3.0L Turbo benefits from aFe's oversized cotton filter element in a Rotomold plastic housing that blocks heat saturated air while flowing more volume of cooler dense air. The system has been CAD designed to achieve the maximum volumetric flow rate into the turbo. The intake tube is a smooth, unobstructed single piece from the air inlet to the airbox and incorporates a port for the air flow sensor. aFe's advanced engineering and design have made this a direct bolt-in intake upgrade.
The aFe filter has been designed specifically for this application and uses aFe's high flow/low maintenance design. The ProDry S filter has an oil-free filter media for less maintenance. For the best flowing filter, with the best performance gain, we always recommend the standard aFe Pro5R filter (which has a blue pre-oiled filter media), but this oil-free filter flows only slightly less than the blue Pro5R style aFe filter, and requires no re-oiling after cleaning the filter.
Features:
This product was last offered at the strikethrough price on
01-28-2026
7" Tall "Oil Free" Air Filter:
This intake system utilizes an oil free, 7" tall conical 360 degree radial flow performance air filter with 3-layers of synthetic media providing maximum airflow and performance.
High Quality Tube:
This system uses a high quality, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit.
Lightweight Vacuum Form Plastic Cover w/ Auxiliary Air Inlet:
Creates a stealthy under-hood look while reducing air intake noise without sacrificing power. A urethane plug is also included if you wish to block off the auxiliary air inlet.
Hassle-Free Installation:
All clamps, coupling and hardware are included for hassle-free installation. This is a direct bolt-on kit that requires no cutting or drilling on factory parts.
DETAILS:
Note 1:
Does NOT fit Convertible models.
Note 2:
This product is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
7" Tall Air Filter:
This intake system utilizes an oil-free, 7" tall conical 360-degree radial flow performance air filter with 5-layers of progressive finer mesh cotton media providing maximum airflow and performance.
High-Quality Tube:
This system uses a high quality, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit.
Black Cover w/ Auxiliary Air Inlet:
This carbon fiber look cover is constructed with lightweight vacuumed formed ABS plastic for underhood appearance. A urethane plug is also included if you wish to block off the auxiliary air inlet.
Hassle-Free Installation:
All clamps, coupling and hardware are included for hassle-free installation. This is a direct bolt-on kit that requires no cutting or drilling on factory parts.
Note 1:
Does NOT fit Convertible models.
Note 2:
This product is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.
7" Tall "Oil Free" Air Filter:
This intake system utilizes an oil free, 7" tall conical 360 degree radial flow performance air filter with 3-layers of synthetic media providing maximum airflow and performance.
High Quality Tube:
This system uses a high quality, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit.
Lightweight Vacuum Form Plastic Cover w/ Auxiliary Air Inlet:
Creates a stealthy under-hood look while reducing air intake noise without sacrificing power. A urethane plug is also included if you wish to block off the auxiliary air inlet.
Hassle-Free Installation:
All clamps, coupling and hardware are included for hassle-free installation. This is a direct bolt-on kit that requires no cutting or drilling on factory parts.
DETAILS:
Note 1:
Does NOT fit Convertible models.
Note 2:
This product is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.
This Stage 2 cold air intake system produces 11 max horsepower, 15 lbs. x ft. torque and out-flowed the factory intake by 38%. This system includes a durable powder-coated heat shield and features a washable/reusable conical Pro 5R air filter for maximum flow. This air filter is constructed with 100% polyurethane, for long life and multiple cleaning cycles. A huge one-piece mandrel bent wrinkle-black powder-coated intake tube, maximizes air velocity providing maximum performance and throttle response. This is a direct bolt-on kit and requires no cutting or drilling.
This product was last offered at the strikethrough price on
01-28-2026
7" Tall Air Filter:
This intake system utilizes an oil free, 7" tall conical 360 degree radial flow performance air filter with 5-layers of progressive finer mesh cotton media providing maximum airflow and performance.
High Quality Tube:
This system uses a high quality, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit.
Carbon Fiber Look Cover w/ Auxiliary Air Inlet:
This carbon fiber look cover is constructed with lightweight vacuumed formed ABS plastic for underhood appearance. A urethane plug is also included if you wish to block off the auxiliary air inlet.
Hassle-Free Installation:
All clamps, coupling and hardware are included for hassle-free installation. This is a direct bolt-on kit that requires no cutting or drilling on factory parts.
Note 1:
Does NOT fit Convertible models.
Note 2:
This product is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.