Performance M
Eventuri Carbon Fibre Cold Air Intake System for BMW B58 G20 340i/M340i & G42 M240i (Sealed Airbox)
Eventuri Carbon Fibre Cold Air Intake System for BMW B58 G20 340i/M340i & G42 M240i (Sealed Airbox)
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Premium carbon induction kit for BMW 340i, M340i and M240i. This sealed Eventuri carbon airbox is engineered for the B58 engine to deliver colder charge temps, faster turbo spool and a refined OEM-plus look. If you want a high quality upgrade that improves airflow and consistency under heat, this is the carbon intake you have been searching for.
Built for real performance on the B58
The factory air path sits close to the exhaust side, which can raise intake temperatures and limit flow. Eventuri addresses this with a fully enclosed carbon airbox and a smart twin feed design that draws cool air from the stock duct and an additional opening into the wheel arch area. The turbo sees a smoother, less restrictive route fed with denser air for repeatable performance on the road and track.
- Sealed carbon airbox to help keep intake temps stable in the G20 and G42 engine bay
- Dual cold air feed using the factory duct plus a secondary wheel arch inlet for extra fresh air supply
- Gold reflective barrier to mitigate radiant heat from the exhaust side of the bay
- High volume housing with clever packaging and clearance for common strut brace layouts
- Smooth carbon intake tube replaces the stock corrugated hose for a cleaner airflow path
- Large bore design that transitions gradually to the turbo inlet to reduce pressure drop
- High flow dry filter with a larger surface area than the factory element
What you will notice
- Sharper throttle response and quicker turbo pick up
- More consistent performance during back to back pulls
- A subtle, purposeful induction note without drone
- Showroom level carbon fibre finish that looks factory plus
Tried, tested and loved by enthusiasts
We run Eventuri induction systems on our own builds and our customers consistently praise the fit, finish and real world results. The combination of a sealed carbon airbox and smooth ducting delivers the reliable, repeatable gains B58 owners want from a premium intake upgrade.
Vehicle compatibility
- BMW 3 Series G20 340i and M340i with B58 engine
- BMW 2 Series G42 M240i with B58 engine
Please verify compatibility with your specific model and year before ordering.
Professional installation
Book fitting with MJ Modifications in Warwickshire for a clean, hassle free install. Request a quote via info@mjmodifications.co.uk.
Why buy from us
- Specialists in BMW performance parts and B58 induction upgrades
- Hands on experience with Eventuri systems on customer cars
- UK based advice, aftercare and workshop fitting in Warwickshire
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