CSF B58 Charge-Air Cooler Manifold (intercooler) - BMW G20 | G21 M340i | G22 | G23 | G26 M440i | G42 M240i | G29 Z4 M40i | G30 540i | G11 740i | G14 | G15 | G16 840i | G01 X3 | G02 X4 | G05 X5 | G06 X6 | G07 X7

The factory water-to-air charge cooler manifold is the well-known weak link of the Gen 2 B58. It copes on a standard car, but add bolt-ons, bigger turbos, port injection or a tune and it quickly heat soaks – pulling timing and, in extreme cases, triggering limp mode. CSF, together with VF Engineering and Custom Plenum Creations, spent over 1,500 hours developing this CNC-machined billet aluminium replacement.

With double the cooling capacity of the OEM core, a significantly lower pressure drop, a top-feed port injection fuel rail and provisions for nitrous or methanol, the CSF manifold lets B58 owners push well beyond the limits of the factory part – customer cars are already exceeding 1,000whp.

Please note: available in Raw Billet Aluminium, Thermal Dispersion Black or a Custom Finish of your choice. Custom finishes are made to order – please contact us to confirm your colour/finish and lead time before ordering.

Please note: each manifold is pressure tested at 60–70 PSI for 2–3 minutes during quality control. The manifold is not designed to operate above 60 PSI – running above this is at the owner's risk and will void the CSF limited warranty.

Please note: the KIYLEX Thermal Rejection Competition Spacer (CSF-8200S) is available separately as an upgrade for this manifold.

Features

• Motorsport-grade bar and plate air-to-water intercooler core
• Double the capacity of the OEM core – 12 rows of water cooling vs. 6 on the OEM unit
• Significantly lower pressure drop across the core compared to OEM
• Designed in SolidWorks using Computational Fluid Dynamics (CFD)
• Integrated air divider in the inlet tank distributes airflow evenly across the core
• Easy access to the spin-off oil filter – no need to remove the manifold for oil changes
• Counter-balanced design for optimised airflow around the oil filter recess
• Integrated sensor pad with three 1/8" NPT ports for additional parameters
• Optional fuel rail included for top-feed port injection
• Individual port injection bungs on each cylinder runner (supplied pre-plugged)
• Individual 1/8" NPT ports on each runner for nitrous or methanol injection, for even spray distribution
• 1/8" NPT breather ports on both inlet and outlet water connections for easy bleeding
• Billet aluminium, 100% TIG welded – withstands far higher boost than the OEM plastic manifold
• Plug-and-play design, no modifications required
• Hardware and installation kit with picture diagrams – 28 parts in total
• Compatible with OEM or aftermarket engine covers (with OEM connections)
• Machined by Custom Plenum Creations in Australia
• Replaces OEM part number 11 61 8 647 977

Fitment

• BMW G20 / G21 M340i (incl. xDrive)
• BMW G22 / G23 / G26 M440i (incl. xDrive and Gran Coupe)
• BMW G42 M240i (incl. xDrive)
• BMW G29 Z4 M40i
• BMW G30 540i (incl. xDrive, 2020–2023)
• BMW G11 740i / 745e (incl. xDrive, 2018–2022)
• BMW G14 / G15 / G16 840i (incl. xDrive and Gran Coupe)
• BMW G01 X3 M40i (2020–2024)
• BMW G02 X4 M40i (2020–2024)
• BMW G05 X5 sDrive40i / xDrive40i / xDrive45e / xDrive50e
• BMW G06 X6 sDrive40i / xDrive40i
• BMW G07 X7 xDrive40i