CSF Charge-Air Cooler Manifold – BMW M2 / M3 / M4 (S58 G8x) #8233

OVERVIEW

The CSF "Level-Up" Charge-Air-Cooler Manifold replaces the OEM S58 charge cooler and intake manifold assembly with a fully CNC-machined, TIG-welded billet aluminum unit. The factory part uses plastic tanks and a crimped-on gasket seal around a tube-and-fin core that is prone to failure above roughly 27 psi; the CSF manifold carries a custom bar-and-plate air-to-water core built by PWR and pressure tested to 120 psi, so it holds up at the boost levels a built S58 actually runs.

Cooling performance improves in both directions: intake air temperatures drop by roughly 30°F against OEM, heat-soak recovery is faster, and pressure drop across the core is lower, which puts less stress on the turbo system and allows more boost at higher target power levels. Core volume is 3,996cc against the OEM's 3,233cc — 23.6% more — and CSF measured average core efficiency of 89.06% versus 86.60% for the factory unit.

The manifold is built for tuners: an included extruded fuel rail supports top-feed port injection with individual bungs on each runner (CNC block-off caps supplied for non-use), individual nitrous/methanol injection ports give per-runner spray control, an integrated sensor pad allows additional parameters to be measured, and integrated breather ports make bleeding air from the water side straightforward. The spin-off oil filter stays accessible, so the manifold does not need to come off for an oil change. A KIYLEX thermal rejection spacer is included, acting as a thermal barrier between the cylinder head and intake manifold and proven to lower intake manifold temperatures by up to 15%. Installation is true plug-and-play with OEM-level fit and finish, and no vehicle modifications are required.

SPECS

• Custom bar-and-plate air-to-water intercooler core manufactured by PWR
• Pressure tested to 120 psi burst pressure (OEM tube/fin core prone to failure above ~27 psi)
• Core volume 3,996.08cc vs. OEM 3,233.34cc — 23.6% greater
• Approximately 30°F reduction in intake air temperatures (IATs) compared to OEM
• Average core efficiency 89.06% vs. OEM 86.60%
• Lower pressure drop across the core than the OEM cooler
• 100% TIG-welded CNC-machined billet aluminum construction replacing OEM plastic tanks and crimped-on gasket sealing
• Integrated top-feed port injection with individual bungs on each cylinder runner
• Individual nitrous/methanol injection ports, one per runner
• Integrated vacuum and sensor pad for measuring additional parameters
• Integrated breather port for bleeding air from the water side of the manifold
• Easy access to the spin-off oil filter — no need to remove the manifold to change oil
• Included KIYLEX® thermal rejection manifold spacer, a patented high-performance final-stage polymer proven to lower intake manifold temperatures by up to 15%
• True plug-and-play "drop-in fit" — requires absolutely no modifications
• Finishes: raw billet aluminum, thermal black heat-dispersion coating, or custom finish to order
• OEM cross-reference: BMW 17-51-8-092-584 and 17-51-8-053-321
• Limited lifetime warranty on the manifold assembly; CSF states a 2-year limited warranty from date of purchase by the original purchaser

PARTS INCLUDED

• Billet aluminum charge-air-cooler manifold assembly
• PWR bar-and-plate air-to-water intercooler core
• KIYLEX® thermal rejection manifold spacer
• Extruded fuel rail with top-feed port injection kit and CNC-machined block-off caps
• Nitrous/methanol injection port bungs
• OEM-style mounting brackets and hardware
• Bleeder valve and quick-connect fittings
• All necessary gaskets and fasteners
• Printed installation instructions

TECH RESOURCES

Additional Parts Required

• None. CSF specifies no additional hardware for this part — the manifold is a true plug-and-play replacement and ships with every bracket, gasket and fastener needed.
• Coolant for refilling and bleeding the low-temperature charge-cooling circuit after installation (installer supplied).
• Port injectors, fuel plumbing and nitrous/methanol hardware are optional and are not included — the manifold ships with the injection ports plugged.

Installation

• CSF does not publish a downloadable installation PDF for this part. A complete printed installation guide is supplied in the box.
• Installation requires no modification to the vehicle; the manifold mounts to the OEM locations and reuses the factory coolant connections.

Notes

• CONTACT FOR OTHER FINISH OPTIONS.
• Year ranges follow CSF's current published application table for #8233, which lists the G87 M2 from 2023 (the previous store listing said 2022+) and closes the F97 X3M at 2024. Both 6MT and ZF8 automatic cars are covered. Confirm fitment for your specific chassis with Speed Logic before ordering.

PART NUMBER

• 8233 — raw billet aluminum finish
• 8233B — thermal dispersion black heat-dispersion finish
• 8233C — custom finish (made to order; contact Speed Logic)

VEHICLE APPLICATIONS