BMW Performance Intake Kits for BMW 3 Series F31 (2014+)

Following in the footsteps of its big brother on the B58 engine, the 4 cylinder intake takes the same path to success. Improve upon the factory design by increasing flow via a larger airbox and filter element thereby improving throttle response and lessening the strain on the turbocharger for maximum efficiency. While box and filter enlargement and redesign is a major factor in ultimately producing a more potent intake they are not the only variables in creating a more efficient design either. The devil is in the details which is where Dinan thrives. Coupled with maintaining Dinan's standard practice of utilizing a sealed system to ensure as much cold, outside air as possible is employed Dinan engineers focused their attention on the intake pipe itself where numerous improvements could be made. In factory configuration, the intake tube comes complete with baffling and a small helmholtz chamber to reduce unwanted sound. As a byproduct, these features also cause a more turbulent air flow path which robs the factory system of potential power. These 2 specific details are diametrically opposed to our intended markets desires so the removal of these features was paramount. Through numerous iterations, a carbon fiber intake tube was developed that eliminated flow disruptions and allowed the natural sound of an unimpeded intake tract to sing. All told this thorough methodology of design allows the Dinan carbon fiber cold air intake for the B46/B48 engine to elicit gains of 6 HP and 6 TRQ at 5000 RPM on a completely stock vehicle. An impressive feat on today's turbocharged engines.

Not to be outdone by the performance side of the equation the B46/B48 intake also is completely made up of carbon fiber unlike 4 cylinder intakes of the past where a mix of materials was used. Not only is the intake completely carbon construction but the quality of the material has been improved over previous generations as well. While looks are surely important, and this piece has that department covered in spades, the improved construction and coating also guarantee that the appearance of the engine bay with the Dinan intake will not be marred over time. Built to present well, perform well, and last the duration, the Dinan B46/B48 carbon fiber cold air intake is a modification that is a must for any high-performance build.

Benefits of the Dinan Carbon Fiber High Flow Air Intake for the F22/F23 230i, F30/F31/F34 330i, and F32/F33/F36 430i:

More Power: +6 HP & +6 lb-ft of torque at 5000 RPM
Sportier Sound
Improved throttle response
Larger volume air box (30% larger than stock) that completely seals
34% increase in filter area (stock: 76.3in², Dinan: 102.1in²)
Optimized carbon fiber intake tube
Free flowing injection molded Air Mass Meter housing (over 20% larger than stock)
Quick and easy installation

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.

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.