B58 Power Pack Kit – BMW B58 / M240i / 340i / 440i / 540i / 740i | Eterna Motorworks
Unleash the full potential of your B58 engine with this performance bundle. The B58 Power Pack Kit combines high-flow downpipes, a performance intake, and reinforced charge piping—tailored to deliver noticeable gains, better response, and an exhaust note that commands attention.
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Key Features
• Catless downpipes in 304 stainless steel—delivering up to +25+ horsepower when paired with the proper tune.
• High-flow intake system with 3.5″ powder-coated aluminum tubing for pronounced airflow and improved throttle response.
• Upgraded 6061 aluminum charge pipes with CNC-machined flanges, full couplers & hose clamps—designed to reduce turbo lag and eliminate weak links.
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Compatible Models (Triple Verified)
Fits the following B58-powered BMWs:
• BMW M240i (2 Series) – chassis F22/F23 (2016+)
• BMW 340i / 440i (3 & 4 Series) – chassis F30/F32/F33/F36 (2016+)
• BMW 540i, 740i – select models from 2016+, where B58 is factory-installed.
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What’s Included
• Catless downpipes (US & RHD / LHD compatible)
• Performance cold air intake (3.5″ aluminum piping)
• Charge pipe kit (6061 aluminium, CNC flanges + hardware)
• Installation hardware not included on most products
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Why Buy From Eterna Motorworks
Eterna Motorworks is the standard in premium aftermarket automotive parts and services. With over a decade of hands-on craftsmanship, we deliver performance parts backed by exacting fitment, engineering integrity, and lasting credibility. Our kits aren’t just bolt-ons—they’re upgrades built for enthusiasts who want real gains and exceptional quality.
If performance and precision matter to your build—welcome to the team.
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Professional installation is highly recommended.
Installation hardware not included on most products.
Tuning required to safely unlock full power gains.
For full fitment guidance, installation details, and store policies, please refer to our policies before purchasing.
Worldwide shipping available upon request.
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Your next mod starts here. Upgrade the build the right way with Eterna Motorworks.
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B58 Power Pack Kit – BMW B58 / M240i / 340i / 440i / 540i / 740i | Eterna Motorworks
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Quick Answers
Will this fit my vehicle?
This part is made for the models listed above. If you’re unsure, send us your year, make, and model and we’ll confirm fitment for you.
What’s included?
You’ll receive exactly what’s shown. Hardware is not included unless the product description says otherwise.
How’s the install?
We recommend professional installation. If you’re local, you can book an install with us directly. Some parts may need trimming, drilling, or adjustment depending on your setup.
Do you ship internationally?
Yes, we ship worldwide. Contact us if you need help placing an international order.
Still have questions?
Reach out anytime. We’re here to help before and after your order.
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