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CSF G-Series Charge-Air Cooler Manifold (B58C) - G0x, G1x, G2x, G3x

CSF G-Series Charge-Air Cooler Manifold (B58C) - G0x, G1x, G2x, G3x

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The Racing & High Performance Division of CSF Inc. strives to build and engineer the most advanced, efficient, and reliable cooling systems in the world. CSF manufacturers a wide variety of sophisticated cooling systems with more than 250 different applications, ranging from high performance all-aluminum direct-fit radiators, intercoolers, and oil coolers, to complete custom manufacturing for racecars, power sports, off-road, marine, and industrial use. All CSF cooling systems are designed and engineered to maintain optimal engine temperatures, even under the most extreme driving conditions.

With over 50 years of experience and over 40 million cooling systems sold globally, CSF has earned the industry reputation of being “THE COOLING EXPERTS”.

  • Over 50 Years in Business
  • ISO 9001 Certified – True Manufacturer
  • Over 150,000 Radiators and Condensers in Stock over North America
  • Over 650,000 Units Sold Annually, with Manufacturing and Warehousing Capacity for 1 Million Units

CSF prides itself on using the most advanced technologies, machines, and experienced personnel to design, develop, and manufacture the world’s best cooling systems. With three privately owned manufacturing facilities, and a global cooling network formed over the past 75 years, CSF houses the industry’s best machines and brightest minds. Our engineering staff designs many of the machines in-house, giving CSF the innovative edge when introducing new technologies to the industry.



CSF is proud to announce its most advanced cooling system to date – the new Charge-Air Cooler Manifold for A90/A91 Toyota Supra and BMW G-Series (B58).

With well over 1,500 hours of design, prototype development, machining, and testing, CSF, along with partners VF Engineering (USA) and Custom Plenum Creations (Australia), has now brought a state-of-the-art CNC machined, high-performance Charge-Air Cooler Manifold to the B58 platform for Mk5 Supra and BMW models. This product solves what has been commonly known as a weak link of an otherwise impressive new engine platform. 

With the larger and more efficient water-to-air intercooler performance, lower pressure drop across the system, included fuel rail, kit for top feed port injection, and several other industry-leading features, the CSF Super Manifold will allow B58 owners to maximize the performance of their vehicles and push the limits further than what has been previously possible with this new platform.

CSF pressure tests each #CSF8200 / #CSF8200B / #CSF8200C manifold at 60-70 PSI for a period of 2-3 minutes during the Quality Control and Inspection process. The CSF manifold is not designed to operate above 60 PSI. Any users who chose to operate their vehicle with the CSF manifold over 60 PSI does so at their own risk. Operation at these pressure levels will void the CSF Limited Lifetime Warranty.

Direct replacement for OEM part numbers 11618647977 & 17101WAA01. Only suitable for models equipped with the B58C (2nd Gen.) engine.


  • Utilizes a high-performance, motorsports-grade bar/plate air-to-water intercooler core that's double the capacity of the OEM core (12 rows of water cooling vs. OEM 6 rows).
  • Significantly lower pressure drop across the core compared to OEM.
  • Designed in SolidWorks using computational fluid dynamics (CFD).
  • Integrated air divider in inlet tank evenly distributes airflow throughout the core.
  • Easy access to spin-off oil filter for quick oil changes – no need to uninstall manifold every oil change.
  • Counter balanced design for optimized airflow. 
  • Integrated sensor pad with three 1/8″ NPT ports to measure additional parameters.
  • Included optional fuel rail for top feed port injection. 
  • Individual port injection bungs on each cylinder runner (comes pre-plugged).
  • Individual 1/8″ NPT ports on the top of each cylinder runner for nitrous or meth injection. This allows for even spray distribution and control for maximum performance and engine protection.
  • Individual 1/8″ NPT breather ports for both inlet/outlet water connections on back of manifold for easy air-bleeding of the system.
  • Plug-and-play design, requiring no modifications to install.
  • Includes hardware and installation kit with picture diagrams containing 28 different parts for easy Installation.
  • Can be used with OEM or aftermarket engine covers (with OEM connections).
  • Comes finished in Raw Billet Aluminum (#CSF8200) – made by world-leading automotive machinist Custom Plenum Creations in Australia.
  • Optional 'Thermal Black Heat Dispersion Powder-Coating' finish (#CSF8200B) or custom finishes available (#CSF8200C).


The newer 2nd gen B58 (B58C) engine, found in the Mk5 Supra, has already been proven to be an incredible platform for performance enthusiasts – taking the performance and motorsports industry by storm in just a couple of years since its release. In a short amount of time, performance enthusiasts have already started to more than double the stock engine output – now pushing through 700whp, 800whp, and looking into the elusive 4 digit 1,000whp mark.

The OEM water-cooled charge air cooler intake manifold for the B58 engine is adequate in cars with little or no modifications, but starts to really show an apparent weakness in cars that have bolt-on modifications, turbo upgrades, increased fueling (such as port injection), and performance tuning. Also, the OEM intercooler system has been known to suffer from heat soak in demanding racing conditions such as time attack, endurance racing, drag racing, and drifting, as well as spirited driving on the street. This can cause the car to pull timing out of the engine due to high intake air temperatures (IATs), and then can cause “limp mode” once temperatures reach a certain threshold, as the vehicle’s ECU will cut power to protect the engine.


CSF conducted extensive testing on the dyno with R&D partner VF Engineering to ensure performance improvements before going into production with the new manifold. We performed over 50 dyno runs on the same car, on the same day, in relatively hot ambient conditions (~90°F) comparing the performance of the CSF Charge-Air Cooler Manifold to the OEM. Both the CSF and OEM cooler went through roughly 25 back-to-back dyno pulls every 30 seconds to measure the performance of the car overtime, resistance to heat soak, recovery time, and the effect on the turbo system duty cycle.

Reputable automotive website and performance part testing specialist, MotoIQ, was on site to witness and assist in organizing the testing to validate the accuracy of the claims made by CSF on the improvements and benefits of the upgraded manifold. The results were published independently by MotoIQ and are now available on their website.


  • Faster recovery of intake air temperatures.
  • ~30°F reduction of intake air temperatures (IAT’s) compared to OEM.
  • Less pressure drop compared to OEM core putting less stress on the turbo system, and allowing more boost to be made at higher targets.
  • Avoided going into limp mode after prolonged demanding conditions, simulating motorsports use.
  • On a stage 2 car with bolt-on upgrades, making ~400whp, comparing dyno run 19 between CSF and OEM, an increase of ~26whp and 11wtq were achieved (the performance increase and delta between CSF and OEM will be bigger as power is increased in the vehicle).


During the final design stage of CSF’s new manifold, owner of CSF, Ravi Dolwani, hopped on a plane to Texas to attend the TX2K drag race invitational. Included at this year’s event was an A90 Supra class. Ravi went to speak with Supra owners and find out what they wanted out of an upgraded performance manifold. He came back to CSF following the race weekend, and worked with long time design partner and CSF customer, VF Engineering, to implement a host of features that took the performance benefits and capabilities of the new CSF manifold to an even higher, industry-leading level.


On the outlet tank, each cylinder runner has a 1/8th NPT port which can be used for nitrous or methanol injection (a popular power modification on the B58 engine). The CSF manifold allows for maximum spray control and even spray distribution throughout the engine. A nitrous system set-up specifically for the CSF manifold will be coming soon from industry leaders Nitrous Express.

A handful of cars at TX2K had blown their engines due to the way their nitrous systems were plugged into their vehicles. With the OEM plastic manifold, a single spray system is most commonly used as threading into plastic to insert an injector node is already very difficult to install properly. The single fogger system, more often than not, will create unequal distribution of spray in the engine, either giving some cylinders too much or too little spray. This will increase the chance of severely damaging the engine.


An extruded fuel rail is included with the CSF manifold. It can be attached to the outlet side of the manifold. The AN-8 fuel rail comes with feed and return -8 internal hex plug fittings from Radium Engineering for a plug and play installation.

  • Fuel rail aperture for each cylinder is an optimized 7mm opening for compatibility with most commonly used high performance injectors
  • CSF recommends using Injector Dynamics (ID) injectors for the best performance – the most commonly used injector for this engine has been ID model # 1050. (qty 6)
  • Anodized CNC machined injector hats (qty 6) are included in the supplied hardware kit to accommodate short height injectors aka “shorties”


On the side of the manifold inlet, CSF has included a 3 port pad into the machining of the tank. This can be used to measure additional parameters or as an additional vacuum source. These three 1/8th NPT ports can be plugged with the included hardware kit if they are not used.


Imagine having to remove your manifold every time you wanted to change your oil, especially if your vehicle is used in motorsports where oil changes occur more often. CSF thought of its customer base during the design phase and have incorporated a recessed design towards the back of the manifold that for allows easy access to the spin-off oil filter. A counter balanced design protrusion above the recess was simulated in SolidWorks CFD software to ensure smooth air delivery into the rear of the core for the best possible cooling effect.


Another exclusive feature of the CSF manifold is the inclusion of an air divider welded into the inlet side tank of the manifold. With the length of the design, the engineers at VF Engineering wanted to make sure that the volume and velocity of air received to the back of the manifold to cylinder areas four, five, and six would be equal to the airflow passed through the front half of the manifold for cylinders one, two, and three. After extensive simulations in SolidWorks CFD software, an air divider was added to the design to ensure the best possible and equal cooling performance to each cylinder of the engine.


Two 1/8th NPT ports are located on the top of the back water plate. These can be used to measure inlet/outlet water temps as well as used as breather ports to help in the bleeding procedure to ensure all air has been cleared from the water system. 1/8th NPT plugs come included in the supplied hardware kit. Please follow OEM BMW or Toyota bleeding procedure which takes roughly 15 minutes to complete.


Included in the supplied hardware kit is several brackets, bolts, washers, and mounting posts to be able to install the OEM and OEM-style engine covers. This is an industry-exclusive feature to the CSF x VF Engineering design, and was extremely difficult to not only engineer, but to manufacture as well. An array of items come vacuum packaged with corresponding letters listed on an easy to use Bill-of-Materials List (BOM) along with exploded diagrams and a simple order of operation procedure list to follow for installation. Made with racers and DIY enthusiasts in mind.

CSF’s most popular custom finish, Thermal Black Heat Dispersion Powder-Coating is now available as a standard finish option. This offers faster turn around time for orders. 

  • 2 Series / G42 (2021+) / M240i / M240i xDrive
  • 3 Series / G20 / G21 (2019+) / M340i / M340i xDrive
  • 4 Series / G22 / G23 / G26 (2020+) / M440i / M440i xDrive
  • 5 Series / G30 / G31 (2017+) / 540i
  • 6 Series / G32 (2017+) / 640i
  • 7 Series / G11 / G12 (2016+) / 740i / 740Li
  • 8 Series / G14 / G15 / G16 (2018+) / 840i
  • X3 Series / G01 (2018+) / X3 M40i
  • X4 Series / G02 (2018+) / X4 M40i
  • X5 Series / G05 (2019+) / X5 40i
  • X6 Series / G06 (2019+) / X6 40i
  • X7 Series / G07 (2019+) / X7 40i
  • Z Series / G29 Z4 (2018+) / Z4 M40i