Upgrade the cooling on your BMW S55 engine with the Forge BMW F80 F82 F87 S55 Chargecooler and expansion tank. This top mount charge cooler is the proven intercooler upgrade alternative for BMW M2 Competition, BMW M3 and BMW M4 owners seeking lower intake temps, reduced heat soak, improved reliability at high boost and consistent power on road and track. Designed and manufactured in England by Forge Motorsport, this bar and plate, quadruple pass charge cooler delivers exceptional cooling efficiency, durability and performance for stock or tuned S55 engines. Part number FMCC1.
Why choose the Forge S55 top mount charge cooler
The OEM plastic end tanks are known to be a weak point, especially on tuned cars. Forge replaces them with a full aluminium construction that resists splitting and end tank seal failure. The unique expansion tank system places the filler cap at the highest point of the charge cooler so you can purge air pockets and ensure the system is 100 percent full of coolant. More coolant volume, more frontal area, smarter internal flow and premium materials combine to maximise heat rejection, stabilise IATs and keep your S55 pulling hard.
Key features
- All aluminium construction to eliminate plastic end tank failures and leaks
- Quadruple pass water flow design for outstanding cooling efficiency
- High efficiency bar and plate core selected after CFD analysis
- Expansion tank with sight glass and highest-point filler for easy, complete bleeding
- 1/8 NPT port on outlet tank ready for water methanol injection if required
- Each unit pressure tested to 4 bar as part of Forge Motorsport quality control
- Designed and manufactured in Gloucestershire, England using SolidWorks CAD and CFD
- Direct replacement top mount chargecooler for S55 - OEM-like fit with superior performance
Proven performance gains
- Over 71 percent increase in core volume and over 42 percent increase in frontal area versus stock
- In hot climate dyno testing, repeated runs showed significantly lower inlet temperatures and power gains of up to 20 bhp compared with the stock system
We have installed and used this charge cooler ourselves and customer feedback has been consistently positive. Expect faster recovery between pulls, reduced heat soak on track days and stable intake temps during spirited driving.
What’s included
- 1 x Chargecooler unit
- 1 x Expansion tank with sight glass
- 1 x Expansion tank cap
- 1 x Small radiator cap
- 1 x Billet radiator cap cover
- 1 x Billet blanking cap
- 1 x 1/8 NPT grub screw
- 7 x M6 x 12 mm Allen cap bolts
- 7 x 6 mm washers
- 1 x M8 x 20 mm Allen cap bolt
- 1 x 8 mm washer
- 1 x M8 Nyloc nut
- 3 x 8–16 mm hose clamps
- 1 x 8 mm ID vacuum hose x 170 mm
- 1 x 8 mm ID vacuum hose x 750 mm
Vehicle compatibility
- BMW M2 Competition F87 - Sept 2019 onwards
- BMW M3 F80 - 2014 onwards
- BMW M4 F82 - 2014 onwards
- BMW M4 F83 - 2014 onwards
Fitting and installation
Professional installation is recommended to ensure correct bleeding of the system and optimal performance. Nforcd offers in-house fitting in Warwickshire. Request a quote at Sales@nforcd.com. The built-in 1/8 NPT port supports the addition of water methanol injection if desired.
Part number and warranty
Part number: FMCC1
Manufacturer: Forge Motorsport
Warranty: Forge Lifetime Warranty, non-transferable
Optimised for S55 performance
Forge Motorsport’s PolarCooler know-how, bar and plate core and quadruple pass water routing target lower IATs, reduced heat soak and improved repeatability. This is the go-to S55 charge cooler upgrade for BMW M2 Competition, BMW M3 F80 and BMW M4 F82 F83 owners who want reliable cooling with the headroom for future power increases.
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