E46 325i Luft-Technik Intake System - Red Filter
- Mfg Part #
- 008694LA12RKT 008694LA12RKT
- ECS Part #
- ES#4699143
- Brand
-
This product was last offered at the strikethrough price on
06-13-2026
Free Shipping
Product Details
Transform your E46 driving experience with intoxicating induction noises and increased airflow. Remove the suffocating OEM airbox and get ready to hear sounds you never thought your naturally aspirated inline six could make. Let your engine breathe!
Upgrading the M54 intake tract requires addressing two key factory limitations: volumetric airflow restriction and excessive acoustic damping. The original E46 airbox was engineered as a silencer, utilizing baffled chambers to attenuate induction noise for consumer comfort. While this design proves effective for daily-driver standards, it introduces unwanted turbulence and restricts peak airflow potential.
The ECS Tuning Performance Intake System replaces this bottleneck with a streamlined, high-flow air path engineered specifically for the M54 platform. Smooth-bore silicone inlet tubing eliminates the corrugated geometry of the stock upper and lower rubber boots, reducing friction loss and stabilizing airflow velocity into the intake manifold. Its multi-ply silicone construction resists heat soak and collapse under high vacuum conditions. Most importantly, removing the baffled factory silencer housing allows the natural harmonic intake frequency of the M54 to resonate, providing direct acoustic feedback under load without synthetic amplification.
BENEFITS
- Flows on average 71 CFM more than the stock intake system, a ~28% increase in intake efficiency!
- Increased induction noise
- Maintains factory air induction tract
- Maintains original MAF location, allowing you to switch back to the stock airbox and retain the ECS Silicone boot if desired
DESIGN
- Durable, lightweight 6061 and 5052 aluminum intake tube and bracket design, finished in wrinkle black powder coat
- Mounts to locations on chassis utilizing stainless steel M6 hardware
- MAF mounts to intake using aluminum brackets sealed to intake system with OEM fitment
- Maximizes available engine bay space to fit oiled cotton gauze 7” filter
- Silicone intake boot with improved flow characteristics replaces failure-prone factory accordion intake boot with provisions for F-connector fitting and idle air control valve inlet
KIT CONTENTS
- Silicone Inlet
- Aluminum MAF Flange
- Mounting Bracket
- 7" Oiled Filter - Red
- Installation Hardware Pack
Flow bench tested on our in-house Superflow SF-750 flow bench, we observed up to a +79.8 CFM / +28.1% gain over the stock intake system!
- ECS Luft-Technik Intake - 364CFM @ 12" H²O
- OEM Intake - 284.2 CFM @ 12" H²O
PRODUCT DEVELOPMENT
Our Luft-Technik Intake Systems are designed, engineered, tested, and quality inspected by our Research and Development team in our Wadsworth, Ohio facility. We strive for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modeling, and rigorous long-term product testing.
Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.
- 13717501971
- 13717501972
- 13721744869
- 13717501988
- 13717509118
- 13717509118
- 13541435627
This Part Fits the Following Vehicles
| Make | Model | Submodel | Engine | Special Fitment Notes |
|---|---|---|---|---|
| BMW | E46 | 325Ci | M54 2.5L | Use vehicle selector to confirm fitment |
| BMW | E46 | 325i | M54 2.5L | Use vehicle selector to confirm fitment |
| BMW | E46 | 325xi | M54 2.5L | Use vehicle selector to confirm fitment |
Kit Contents
| Description | Brand | Qty | Lifetime | |
|---|---|---|---|---|
| ECS Luft-Technik High Flow Air Filter - Oiled |
|
1 | YES | |
| E46 2.5/2.8L Luft-Technik Intake System |
|
1 | YES |
Installation
This Product Is Covered By Our Lifetime Replacement Program
Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.
If you have any questions, would like to learn more or are ready to place a replacement claim, click here!
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New/Unused Product Returns
ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.
In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.
Refused Packages
Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.
Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.
Return Process
ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!
Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.
Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.
All in store credit balances will expire after one year from the original purchase date.
Shipping Policy
Free Shipping On Orders $49 & Up
Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.
Free Shipping
Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.
The policies listed above are subject to change at any time without notice.
Lifetime Replacement
Want to know more about our Lifetime Replacement program?
Click here to learn more.
Why You Should Shop From ECS Tuning
ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.
Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.
Cancellation Policy
At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.
Hurry, limited stock available!
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