BMW Intake Parts for BMW 2 Series F23 (2015+)

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

The diverter valve is responsible for redirecting boost away from the intake when it's not needed. Other cars use a blow-off valve to vent the pressurized air into the atmosphere (the whoosh sound commonly heard on turbo engines) but BMW and other makers use a diverter valve to keep the air circulating through the intake for emissions purposes. A failing diverter valve will lead to a boost leak as turbocharged air leaks past the seals instead of going into the engine when you want it. This is a minor issue on stock engines but a bigger issue on tuned or heavily modded engines (those will use an aluminum diverter valve instead of the stock plastic). The factory diverter valve is plastic which is prone to cracking and electric which will fail without warning. This is a direct replacement diverter valve for cars with the N55 and S63 (X5M/X6M) engines.

N55 takes 1 diverter valve.
S63 takes 2 diverter valves (1 per turbo).

This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5 X5,E71 X6,E82,E90,E92,E93,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4 X4,F30,F32,F33,F34,F36
S63 engine applies to X5M/X6M only. Fxx M5/M6 uses S63TU engine and does not use a diverter valve at all.

BMW B46 B48 Crankcase Vent Hose

Looking for a high-quality crankcase vent hose replacement for your BMW B46 or B48 engine? Turner Motorsport presents the BMW B46 B48 Crankcase Vent Hose. This vent hose ensures efficient ventilation of the crankcase, preventing pressure buildup and maintaining optimal engine performance. Crafted with durable materials and precision engineering, it offers the following benefits:

• Efficient ventilation of the crankcase
• Prevents pressure buildup for optimal engine performance
• Crafted with durable materials for long-lasting use
• Compatible with BMW B46 and B48 engines for easy installation