SKU: 55021696454

B58 Port Injection Kit For Toyota Supra & BMW F & G Chassis - M140i, M240i, M340i, 340i, M440i, 440i, 540i, 640i, 740i, 840i

$359.55 $399.50
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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25

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Description

B58 Port Injection Kit For Toyota Supra & BMW F & G Chassis - M140i, M240i, M340i, 340i, M440i, 440i, 540i, 640i, 740i, 840iThe Precision Raceworks B58 Port Injection Kit with flex fuel compatibility is a necessity to safely and sufficiently support the power levels anyone needing additional fueling. This kit is capable of providing supplemental fueling to all BMW's equipped with the B58 engine (Gen1 and Gen2) (see fitment guide for full details). The complete kit integrates seamlessly into your car like it left from the factory with it installed; you can barely even see

The Precision Raceworks B58 Port Injection Kit with flex fuel compatibility is a necessity to safely and sufficiently support the power levels anyone needing additional fueling. This kit is capable of providing supplemental fueling to all BMW's equipped with the B58 engine (Gen1 and Gen2) (see fitment guide for full details).

The complete kit integrates seamlessly into your car like it left from the factory with it installed; you can barely even see the kit once the car is assembled! This kit includes everything needed to add multi-port injection and is 100% e85 compliant. We include new genuine Bosch Motorsport injectors which are flow matched both static and dynamic. A Detailed certificate of conformance included with each kit giving you all flow data needed for optimal tuning.

Don’t be tricked into thinking all port injection kits are equal, the Precision Raceworks is the only port injection kit currently where all 6 injectors have even fuel distribution for each cylinder. Additionally this kit features 750cc* injectors standard (this flow rate is based on industry injector flow test pressure of 43.5psi) at 72psi these injectors flow 1000cc. What this means is our kit is capable of supporting builds from 400whp up to 1,000whp out of the box.

Simply pick up this kit and pair it with your favorite injector controller!  We have several to choose from:

ReFlex Lite - Simple controller that is similar to the AIC in price, but gives you Seqential fire of your injectors.  This improves fuel trims, fuel pressures are more stable, and each injector will output more fuel each time it fires.

ReFlex Plus - Advanced controller featuring CanBus integration, ability to add an ethanol sensor and integrate a true flex fuel tune, ability to add a fuel pressure sensor, and additional capabilites.

For more product details see the specifications tab

(Aftermarket 2 piece charge pipe required)

*Actual flow rate may vary, as advertised flow rate is common average.

Specifications

  • Weight: 3.5lbs
  • Engine Compatibility: All B58 gen 1 or gen 2 engines including hybrids (see fitment guide for full details)
  • Injector brand: Genuine Bosch Motorsports
  • Advertised Flow - 750cc: 750cc @ 43.5psi , 1050cc @ 72.5psi 
  • Advertised Flow - 950cc: 950cc @ 43.5psi, 1226cc @72.5psi
  • Fuel Compatibility: All known fuels including full E85 compatibility
  • Flow Matched: 2% or better (250% more accurate than off the shelf injectors)
  • Connection Type: EV6 (Called US Car Connector) works with AIC and JB4 Controller
  • Hardware included: Yes full stainless hardware included
  • Gasket Type: OEM Spec manifold gaskets (commonly found in BMW N54 applications)
  • Fuel Distribution Pattern: Diagonal equal distribution across all cylinders
  • Fuel Line: Smooth bore PTFE with stainless braid and nylon braid safe for all fuel types

Fitment

  • Bmw 340i 2015 to 2019
  • Bmw 440i 2016 to 2021
  • Bmw 540i 2017 to 2023
  • Bmw 640i 2017 to 2023
  • Bmw 740i 2016 to 2023
  • Bmw 740li 2016 to 2023
  • Bmw 840i 2019 to 2023
  • Bmw M140i 2016 to 2019
  • Bmw M240i 2016 to 2021
  • Bmw M340i 2019 to 2023
  • Bmw M440i 2020 to 2023
  • Bmw X3 M40i 2017 to 2021
  • Bmw X4 M40i 2018 to 2021
  • Bmw X5 Sdrive40i 2018 to 2021
  • Bmw X5 Xdrive40i 2018 to 2021
  • Bmw X6 Xdrive40i 2020 to 2023
  • Bmw X7 Xdrive40i 2018 to 2023
  • Bmw Z4 M40i 2018 to 2023
  • Morgan Plus Six 2020 to 2023
  • Toyota Supra 2020 to 2023

PDF Installation Instructions

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55021696454

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4.6 ★★★★★
Based on 11 reviews
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Verified Purchase
John Mace
Battle Creek, US
★★★★★ 5
Keeps me organized, and cords hidden
I recently purchased the Oxford Cable Management Boxes, 3 Pack (Small, Medium, Large) with 15 Cable Ties, and I’m thrilled with how they’ve transformed my home office setup. This set is a fantastic solution for anyone looking to tame messy cords and create a clean, organized space. The three different sizes (small: 4.5"W x 9.3"L x 4.7"H, medium: 5.3"W x 12.6"L x 5.1"H, large: 6.2"W x 15.9"L x 5.4"H) are perfect for handling a variety of devices, from small phone chargers to large power strips. I used the large box to neatly conceal my surge protector and its tangle of cords, while the medium and small boxes worked wonders for my desk’s USB hubs and laptop charger. The boxes are made of sturdy, heat- and impact-resistant ABS plastic, which feels durable and gives me confidence they’ll last. What I love most is the thoughtful design. Each box has a pressure-fitted lid that’s easy to open and close, plus two cutouts for routing cables. The included cable ties—6 hook-and-loop, 6 silicone, and 3 twist ties—are a great bonus. The colorful hook-and-loop ties (blue, red, green, yellow, black, white) add a fun touch, while the silicone and twist ties are super practical for securing cords of different thicknesses. These ties made it easy to bundle everything neatly before tucking it into the boxes. The white finish blends seamlessly with my decor, giving my workspace a sleek, professional look. The boxes also have small circle feet on the bottom, which prevent slipping and add a nice touch of stability. I’ve noticed a huge reduction in visual clutter, and it’s reassuring to know my cables are safely contained, reducing tripping hazards and keeping my curious cat away from the wires. Installation was a breeze—less than 15 minutes to organize everything. The boxes are versatile enough for various settings, whether it’s a desk, entertainment center, or gaming setup. My only wish is that they included a few more cable ties, but the 15 provided were sufficient for my needs. Overall, the Oxford Cable Management Boxes have exceeded my expectations. They’re practical, stylish, and effective at keeping cords under control. If you’re tired of cable chaos, this set is a must-have! Highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 23, 2025
M
Verified Purchase
Michael Bauer
Bozeman, US
★★★★★ 5
Makes everything look so much clean
got these mostly to deal with all the random cords around the house, and they made a bigger difference than I expected. They’re simple, but they actually do what they’re supposed to. Once everything is tucked inside, it instantly makes the area look way more organized and less cluttered. I’ve been using them for things like power strips and extra cords, and they hide everything really well. They’re lightweight but still feel sturdy enough, and the lids stay on without being annoying to open. Pros: Really helps clean up the look of messy cords Easy to use, no setup needed Simple design that blends in Cons: Not huge, so larger power strips can be a tight fit Plastic isn’t super thick Overall I’d definitely recommend these if you’re trying to make a space look cleaner without doing anything complicated.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
G
Verified Purchase
Genesis Block
Dallas, US
★★★★★ 5
Great Space Saver!
I purchased these for our family room charging hub and honestly wish I had known about them sooner. They are sturdy and very kid proof (at least for my kids). I love the push and lift design so little hands can’t just lift it open and they hold a lot yet blend in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
D
Verified Purchase
Desktop Shopper
Draper, US
★★★★★ 4
Handy boxes hides wire clutter.
Does what it is meant for. A bit hard to open once the top is fitted.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
A
Verified Purchase
AmazingDog
Lowell, US
★★★★★ 5
Clean, secure cable management
These are good cable boxes that close securely. They hide cables very well and look clean and blend into the home well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026

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