CSF Billet Liquid-to-Air Charge Air Cooler Manifold (Intercooler) for BMW G8X M3/M4 (G80/G81/G82/G83) 2021+ S58 - PWR Bar & Plate Core, Port Injection Ready, Plug-and-Play

CSF Billet Air-to-Water Chargecooler Manifold for BMW G8X M3 and M4 - S58

Transform the way your S58 delivers power with CSF’s CNC-machined aluminium intake chargecooler manifold. This direct-fit upgrade replaces the factory plastic-tank unit with a robust billet solution that keeps intake temps under control, reduces restriction and delivers consistent performance on fast road, track days and dyno sessions.

At MJ Modifications we have installed this unit on a number of G8X builds and customer feedback has been superb. Expect stronger back-to-back pulls, faster IAT recovery and dependable operation at elevated boost. It is a genuine plug-in upgrade that works.

Performance advantages

• Lower intake temperatures by around 30°F versus stock, with much quicker temperature recovery between pulls
• Reduced pressure drop for improved turbocharger efficiency and the headroom to run more boost
• All-billet aluminium construction for exceptional strength and reliability
• True drop-in fitment with OE-style connections and tidy engine bay presentation
• Built-in provisions for tuning hardware and sensors to support serious power goals
• Limited Lifetime Warranty for confidence on the road and circuit

Technical highlights

• PWR bar and plate water-to-air core, pressure tested to 120 psi
• Stock cooler is a tube and fin design that is known to be prone to failure from around 27 psi
• Fully CNC-machined billet aluminium manifold with precision TIG-welded assembly
• Top-feed secondary injection ready with injector bungs in each runner
• Fuel rail supplied, plus CNC block-off caps if you are not using port injection
• Runner-specific ports for methanol or nitrous for even distribution
• Integrated vacuum and parameter pad for easy sensor and data logging integration
• Easy access to the spin-off oil filter after installation
• Integrated breather port for quick bleeding of the coolant side
• Includes KIYLEX thermal rejection manifold spacer
• KIYLEX is a high-performance polymer that acts as a thermal barrier between the cylinder head and intake manifold
• Proven to reduce manifold temperature by up to 15 percent to help keep IATs in check
• All required brackets, hardware and installation instructions included

Finishes and part numbers

• Raw Billet Aluminium Finish - CSF Part No. 8233
• Thermal Black Heat Dispersion Powder-Coated Finish - CSF Part No. 8233B
• Custom Colours Available - CSF Part No. 8233C

Who is this for

Ideal for tuned G80 G81 G82 G83 platforms chasing stable charge temps and consistent power. Perfect for Stage 2 and Stage 3 calibrations, hybrid turbo S58 builds and hard-driven cars where heat soak kills performance. If you want repeatable results without compromising reliability, this is the intake chargecooler manifold to fit.

Compatibility

BMW G8X M3 and M4 with the S58 engine, 2021 onward. Direct-fit with OE-style connections and factory-like fit and finish.

What is included

• CSF billet intake chargecooler manifold for S58
• PWR high-performance bar and plate air-to-water core pre-installed
• Fuel rail and block-off caps for optional secondary injection
• KIYLEX thermal rejection spacer
• All necessary brackets, fixings and installation instructions

Fitting and support

Professional installation recommended. MJ Modifications offers in-house fitting, setup and support in Warwickshire. For a fitting quote, email info@mjmodifications.co.uk.

Why buy from us

We have hands-on experience with this manifold on customer cars and our own projects. The results speak for themselves with noticeable gains in consistency and resilience under repeated pulls.

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