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This product was last offered at the strikethrough price on
01-28-2026
HP Gain: +15hp
Trq Gain: +28ft-lbs
Airflow: +53% 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 Diesel 328d 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 328d 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.
This product was last offered at the strikethrough price on
01-28-2026
HP Gain: +15hp
Trq Gain: +28ft-lbs
Airflow: +53% 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 Diesel 328d 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 328d intake upgrade.
The aFe filter has been designed specifically for this application and uses aFe's highest-flowing filter material and design. The Pro5R 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. This intake is also available in a traditional paper filter media.
The stock air box in many BMWs is the first point of restriction to air flow and power. The Evolution Intake from Injen is a great option for increased airflow and power, up to +15hp and +16ft/lbs of torque, while still retaining a clean look without being overly flashy like many other intakes on the market. Featuring CAD and 3D designed Roto-Molded Polyethylene (Heavy Duty Plastic) construction and a larger SuperNano-Web Dry Filter, this drop-in intake system offers a significantly higher air flow rate and easy installation with no modifications needed.
Product Features:
Notice of Emissions Non-Compliance. This product is not legal for sale or use in California on any pollution-controlled motor vehicle.
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.
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.
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.