BMS B46/B48 Billet Intake for BMW
More Air = More Power and Dramatic Sound Improvement This plug and play air intake system unlocks up to 8whp to the wheels from your B46/B48 […]
More Air = More Power and Dramatic Sound Improvement
This plug and play air intake system unlocks up to 8whp to the wheels from your B46/B48 BMW engine. In addition to the extra power throttle response, turbo spool, and sound are dramatically improved, finally allowing you to hear your turbo spool up under heavy acceleration. The system is CNC machined from billet aluminum, anodized black for strength and a clean look. Includes a reusable high flow inverted cone filter. The OEM cold air intake tube and insulating base remain fully functional. Install takes only minutes and is fully reversible. Made in the USA.
Please note that the BMS B46/B48/B58 intakes are all different intakes and are not interchangeable.
Installation of the BMS B46/B48 billet intake allows room for the B48 BMS Oil Catch Can.
Features & Benefits
• Adds up to 8+ wheel horsepower
• Dramatic sound improvement
• Improves throttle response
• Huge 3.5″ inlet
• Retains OEM cold air ducting
• Looks great under the hood
• Renewable air filters
• Made in the USA
Vehicle Fitment
BMW 1 Series
• 2016+ F20 F21 (B46/B48 engine) 130i/130iX 120i/120iX 125i/125iX
BMW 2 Series
• 2017+ F22 F23 (B46/B48 engine) 230i/230iX 225i/225iX 220i/220iX
BMW 3 Series
• 2016-2018 F30 F34 (B46/B48 engine) 330i/330iX 325i/325iX 320i/320iX
G20 Owners: None of these intakes on this page fit the new 2019+ G20 3330i or M340i. The M340i BMS intake is located HERE
BMW 4 Series
• 2017-2020 F32 F33 F36 (B46/B48 engine) 430i/430iX 425i/425iX 420i/420iX
BMW 5 Series
• 2017-2024 G30 G31 (B46/B48 engine) 530i/530iX/530d/530dx 520i/520d/520dx 518d
BMW X Series
• 2015-2018 F48 (B46 engine) X1 sDrive20i xDrive25i/xDrive28i (intake on right side, Facing car) Does not fit 2019+ X1 models with the rectangle MAF hole.
INSTALL GUIDES
What’s included:
(1) Billet MAF Housing
(1) Renewable 1123 inverted cone filter w/clamp
(1) Billet bracket
(2) 6/32 x 3/8″ internal hex socket cap MAF screws
(1) 10-32 x 5/8″ internal hex socket cap bracket screw
(1) bracket screw washer
Replacement 1123 intake filters are available here.
Performance air filter cleaning & oil kit available here.
BMS billet intake shown on 2017+ F22 F23 (B46/B48 engine) 230 225 220
BMS Billet Intake Shown with Burger Motorsports B48 Oil Catch Can Installed
Sound clip and install videos
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FREQUENTLY ASKED QUESTIONS
If it's in stock and ready to roll, your order usually hits the road within 1–3 business days.
For made-to-order or specialty items (like carbon fiber parts or custom builds), the turnaround can take up to 8 weeks — perfection takes time.
Either way, we'll keep you updated so you know exactly when your parts are leaving the pit lane.
Absolutely! Once your order ships, you'll receive an email with a tracking link so you can follow its journey from our shop to your doorstep.
If your order ships via freight, you'll get a separate email with a direct link to the carrier's tracking page — easy and stress-free.
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If your shipment is lost, just email or call us — we'll help track it down and guide you through the next steps to make it right.
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