AFE POWER 51-12912-C Air Intake 802959514665 STAGE-2 340I 440I M240I

( Brand: Afe Power ), ( Manufacturer Part Number: 51-12912-C ), ( Part Type: Intake ), ( Material: Polyethylene ), ( Performance Part: Yes ), ( Universal Fitment: No ), ( Manufacturer Warranty: 2 Years ), ( UPC: 802959514665 )

Review AFE POWER Stage-2 Cold Air Intake For 16-18 fits 2017–2021

Introducing the AFE Power 51-12912-C Stage-2 Air Intake System, designed specifically for the BMW 16-18 340i, 17-20 440i, and 17-21 M240i models. This high-performance air intake system is engineered to enhance the power and driving experience of your BMW.

The AFE Power 51-12912-C Air Intake System is an upgraded version of the OEM air intake system. It utilizes a large, open-element air filter design that increases air flow and filtration efficiency. The air filter is constructed from an advanced synthetic media that can trap 99.97% of particles as small as 10 microns, ensuring clean air enters your engine. The filter is also easily washable and reusable, reducing the need for frequent replacements.

The intake system features a high-flow, mandrel-bent aluminum tubing that provides a straight and unrestricted path for air to enter the engine. The tubing is coated with a heat shield material that helps maintain ideal intake air temperatures, ensuring optimal engine performance.

The AFE Power 51-12912-C Air Intake System comes with a polished aluminum intake tube and a black powder-coated intake box, giving your engine compartment a distinctive and attractive appearance. It also includes all necessary hardware for a straightforward installation process.

With the AFE Power 51-12912-C Stage-2 Air Intake System, you can expect improved engine performance, increased horsepower and torque, and a more responsive throttle response. This air intake system is a must-have for BMW enthusiasts looking to enhance the driving experience of their vehicle.

In summary, the AFE Power 51-12912-C Stage-2 Air Intake System is a high-performance upgrade for BMW 16-18 340i, 17-20 440i, and 17-21 M240i models. It features a large, open-element air filter design, high-flow aluminum tubing, and an attractive finish. This system is designed to improve engine performance, increase power, and provide a more responsive driving experience.

AFE Power 51-12912-C Stage-2 Air Intake for 16-18 340i, 17-20 440i, 17-21 m240i: Pros, Cons, and Conclusion

The AFE Power 51-12912-C Stage-2 Air Intake system is a performance upgrade for BMW 340i (16-18), 440i (17-20), and m240i (17-21) models. This air intake system aims to enhance the engine's performance by supplying it with a more voluminous and cleaner airflow. In this analysis, we will discuss the benefits and potential downsides of investing in this AFE Power air intake system.

1. Increased Horsepower and Torque: The AFE Power air intake system can potentially lead to gains in horsepower and torque, contributing to improved engine performance and acceleration.

2. Enhanced Engine Sound: The cold-air intake design of the AFE Power system may result in a more satisfying and distinctive engine sound, adding excitement to the driving experience.

3. Improved Throttle Response: With the larger and more efficient air filter, the engine can respond more promptly to throttle inputs, making the vehicle feel more responsive and agile.

4. Better Filtration: The high-flow air filter used in the AFE Power system ensures better filtration, keeping the engine cleaner and free from contaminants that may hinder performance.

5. Easy Installation: The AFE Power air intake system is designed for easy installation, with most users able to complete the process within an hour.

1. Higher Cost: The AFE Power Stage-2 Air Intake system is a premium upgrade and comes with a higher price tag compared to the standard air intake system.

2. Changes in Fuel Economy: Some users have reported a slight decrease in fuel economy after installing the AFE Power air intake system.

3. Maintenance: The air filter in the AFE Power system may require more frequent replacements compared to the OEM filter, which could add to the long-term cost of ownership.

4. Potential Noise: Depending on individual driving styles and vehicle characteristics, the AFE Power air intake system could generate more noise than the stock system, which some users might find disturbing.

The AFE Power 51-12912-C Stage-2 Air Intake system offers several advantages, including increased horsepower, improved throttle response, better filtration, and an enhanced engine sound. However, it also comes with some potential downsides, such as a higher cost, changes in fuel economy, maintenance requirements, and increased noise levels. Ultimately, the decision to invest in this air intake system depends on the individual's preferences, priorities, and budget. If you're looking for a noticeable performance improvement and are willing to accept the additional costs and potential downsides, the AFE Power Stage-2 Air Intake system could be a worthwhile investment. On the other hand, if you value a quieter driving experience and are more concerned about fuel economy, you may want to consider other options.

Before making a decision, we recommend conducting thorough research, reading user reviews, and considering the pros and cons discussed in this analysis. Additionally, consult with a BMW performance specialist to gain a better understanding of the potential benefits and downsides for your specific vehicle. Ultimately, the AFE Power 51-12912-C Stage-2 Air Intake system can be a valuable upgrade for BMW 340i, 440i, and m240i owners seeking improved engine performance and a more engaging driving experience.

Details:

May vary between actual products. AFe 51-12912-C Stage-2 Cold Air Intake for 16-18 340I / 17-20 440I 17-21 M240i: aFe 7 Tall Oil Free Filter: This intake system utilizes an oil free, tall conical 360 degree radial flow performance air filter with 3-layers of synthetic media providing maximum airflow. Pro Drys oil-free 3-Layer Synthetic Media for Maximum Convenience With Excellent Filtration Efficiency. No Cutting or Drilling on Factory Parts for Faster Installation.

Details: 400 cfm Rating 7 IN H2O. Torque max gains. Hassle-Free Installation: All clamps, coupling and hardware are included for hassle-free installation. CAD designed Root-Molded Intake Tube.

Vacuum Form Cover w/ Carbon Fiber Look Auxiliary air Inlet. This is a direct bolt-on kit that requires no cutting or drilling on factory parts. 9 HP / 10 lbs. Outflows factory intake.

High Quality Tube: This system uses a high quality, Dino-tuned intake tube to achieve maximum Power gains while maintaining perfect fit. Fitment Note: This item will not fit convertible model's due to the factory strut brace. A urethane plug is also included if you wish to block off the auxiliary air inlet.

part #: 5112912 prices

• $350.39-$387.00

specifications airfueldepo:

• for years: 2017-2021
• brand: Afe Power
• mpn: 51-12912-c
• part type: Intake
• material: Polyethylene
• performance part: Yes
• universal fitment: No
• manufacturer warranty: 2 Years
• upc: 802959514665

offer airfueldepo:

• started: May 12, 2025
• sold: 0
• quantity: 5
• availability: In Stock
• options: Ship-to-home

seller airfueldepo:

• # reviews: 2595
• rating: 99.9%
• city: Multiple Warehouses

payments airfueldepo:

• credit card: Visa
• other
• wallet: Apple-pay

general airfueldepo:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery

shipping airfueldepo:

• carrier: UPS
• transit: 2-4 Days
• class: Standard
• cost: $0.00
• service: UPS Ground
• type: Fixed

returns airfueldepo:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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