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SKU: 54-12912-B | UPC: 802959506738
aFe Magnum FORCE Stage-2 Pro 5R Cold Air Intake System 16-21 BMW 140i/M240i/340i/440i L6-3.0L (t) B58
This aFe Power Magnum FORCE Stage-2 system replaces the factory air intake on BMW B58 3.0L turbo engines for increased horsepower and throttle response. It fits 2016-2021 BMW 340i M240i 440i models including xDrive variants with a Pro 5R filter that outflows stock by 11%. Dyno-tuned components deliver noticeable power gains while maintaining stock-like hood clearance.
Key Features
- Pro 5R Air Filter: 7-inch tall 360-degree conical design with 5 layers of progressive cotton gauze media captures more air for improved engine breathing and acceleration
- CAD-Designed Roto-Molded Intake Tube: Black cross-linked polyethylene construction ensures smooth airflow maximum power and precise OEM fit without restrictions
- Lightweight ABS Plastic Housing: Vacuum-formed black cover with auxiliary air inlet option creates under-hood stealth appearance and quiets intake noise
- Direct Bolt-On Design: No cutting drilling or modifications needed on factory parts for quick installation using included clamps couplers and hardware
- 11% More Airflow: Tested to outflow factory intake delivering stronger mid-range torque and top-end power on B58 turbo engines
Product Notes
- Urethane plug included to seal auxiliary air inlet if desired
- Oil filter media requires periodic cleaning and re-oiling for peak performance
- System ships complete with all components in protective packaging
Installation Notes
- Professional installation recommended.
- Bolt-on fit requires 1-2 hours with basic hand tools no ECU tuning needed
- Compatible with factory mounting points all hardware and couplers supplied
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | BMW | 340i | Base |
| 2016-2018 | BMW | 340i xDrive | Base |
| 2017-2021 | BMW | M240i | Base |
| 2017-2021 | BMW | M240i xDrive | Base |
| 2017-2019 | BMW | 340i GT xDrive | Base |
| 2017-2020 | BMW | 440i | Base |
| 2017-2020 | BMW | 440i xDrive | Base |
| 2017-2020 | BMW | 440i Gran Coupe | Base |
| 2017-2020 | BMW | 440i xDrive Gran Coupe | Base |
| 2017-2019 | BMW | M140i | Base |
Why Choose aFe Power?
- Engineered with dyno testing for proven gains on B58 platforms
- Built from durable materials like cross-linked polyethylene and cotton gauze
- Designed for exact vehicle fitment across multiple BMW chassis codes
Frequently Asked Questions
-
Q: Will this fit a 2018 BMW 340i xDrive F30?
A: Yes this system bolts directly onto 2016-2018 BMW 340i and 340i xDrive F30 models with 3.0L B58 turbo engine -
Q: What is the air filter material and type?
A: Blue Pro 5R oiled cotton gauze filter 3.5-inch flange 360-degree flow 7 inches tall with 5 progressive mesh layers -
Q: What warranty coverage applies?
A: Limited lifetime warranty on the washable Pro 5R air filter 2-year limited warranty on powder-coated components
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Original aFe Power box dimensions 22.25 x 14.5 x 13 inches
- Weight: 7.85 lbs
Read More
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