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SKU: INJSP1140P / UPC: 843115028800
Injen SP Short Ram Air Intake System – Polished for 2020–2025 BMW M340i / M240i / M440i (B58)
Unlock serious bolt-on power and a more aggressive engine note on your 2020–2025 BMW M340i, M240i, or M440i with the Injen SP Short Ram Air Intake System.
Featuring a massive 4.00" O.D. mandrel-bent T6-6061 aluminum intake tube and a high-flow oiled filter, this polished intake delivers a smooth, unrestricted path for airflow. Dyno-tested to produce up to **+19 horsepower** and **+18 lb-ft of torque**, this intake transforms the driving experience of the B58 3.0L turbocharged inline-six while adding a premium, show-quality appearance under the hood.
The Injen SP series is engineered for easy installation with no modifications required, making it the perfect upgrade for enthusiasts who want real performance gains without the complexity of a full cold air intake system.
Key Features
- 4.00" Mandrel-Bent T6-6061 Aluminum Tube – Smooth, unrestricted airflow path
- High-Flow Oiled Filter – Maximum filtration with excellent airflow
- Significant Power Gains – Up to +19 HP and +18 lb-ft TQ (dyno proven)
- Polished Finish – Premium, show-quality appearance under the hood
- Bolt-On Installation – No cutting, drilling, or modifications required
- Improved Throttle Response – More responsive and aggressive engine note
Specifications
| Detail | Value |
|---|---|
| Brand | Injen Technology |
| Type | SP Short Ram Air Intake System |
| Engine | B58 3.0L Turbo Inline-6 |
| Tube Diameter | 4.00" O.D. Mandrel-Bent T6-6061 Aluminum |
| Filter Type | High-Flow Oiled |
| Power Gains | Up to +19 HP / +18 lb-ft TQ |
| Finish | Polished |
| Country of Origin | United States |
| Warranty | Injen Limited Lifetime Warranty |
Whats Included
- Injen SP Short Ram Intake Tube (Polished)
- High-Flow Oiled Air Filter
- All Necessary Hardware, Clamps, and Couplers
- Installation Instructions
Product Notes
- Professional installation is recommended
- Designed as a true bolt-on upgrade with no modifications required
- Best results when paired with a performance exhaust system
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2020–2024 | BMW | M340i / M340i xDrive | B58 3.0L Turbo |
| 2023–2025 | BMW | M240i / M240i xDrive | B58 3.0L Turbo |
| 2021–2025 | BMW | M440i / M440i xDrive / Gran Coupe | B58 3.0L Turbo (including Hybrid models) |
Why Choose Injen?
- Industry leader in premium cold air intakes and performance systems since 1998
- Precision-engineered for maximum power and perfect fitment
- Dyno-tested results you can feel and hear
- Backed by a Limited Lifetime Warranty
Frequently Asked Questions
- Q: Does this intake require a tune?
- A: No. Injen dyno testing shows up to +19 HP and +18 lb-ft of torque with no tune required.
- Q: Is this a short ram or cold air intake?
- A: This is a **Short Ram (SP)** intake. It is designed for easy installation and strong performance gains without the complexity of a full cold air intake system.
- Q: Will this fit my 2023 BMW M340i?
- A: Yes. This intake fits all 2020–2024 M340i / M340i xDrive models (B58 engine).
- Q: How much louder will my car be?
- A: You will notice a deeper, more aggressive intake sound under throttle while remaining relatively refined at cruising speeds.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure oversized Injen packaging
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