Forge Motorsport BMW M3 and M4 S55 Top Mount Chargecooler Upgrade
Unlock reliable, repeatable performance with the Forge Motorsport top mount replacement chargecooler and expansion tank for the BMW M3 and BMW M4 S55 engine. This premium BMW M3 chargecooler and BMW M4 charge cooler upgrade is engineered to crush heat soak, lower intake temps and deliver consistent power on road and track. Perfect S55 chargecooler upgrade for anyone seeking improved cooling efficiency and durability over the stock intercooler system.
Why choose this Forge M3 and M4 S55 chargecooler
- All aluminium construction that eliminates common OEM plastic end tank failures, split tanks and seal leaks at higher boost.
- Precision laser cut end tank panels, hand TIG welded for maximum strength and long term reliability.
- Developed in Gloucestershire, England using Solidworks CAD with CFD analysis for optimised flow and cooling performance.
- High efficiency bar and plate core selected after testing three different core designs.
- Quadruple pass water flow design. Coolant passes through four stages in the core to maximise heat rejection and reduce intake air temperature.
- Unique expansion tank system with a filler cap at the highest point on the chargecooler to purge air and ensure 100 percent coolant fill for peak efficiency.
- Over 71 percent increase in internal volume and over 42 percent increase in frontal area compared with the stock unit.
- Hot climate dyno testing showed significantly lower inlet temperatures vs OEM and gains of up to 20 BHP.
- Individually pressure tested to 4 bar as part of Forge Motorsport quality control.
- Integrated 1/8 NPT port on the outlet tank for optional water methanol injection.
This Forge BMW M3 M4 S55 charge cooler is the ideal top mount intercooler replacement for anyone searching for BMW M3 chargecooler upgrade, BMW M4 chargecooler upgrade, S55 intercooler upgrade, top mount charge cooler, TMIC for M3 M4 and Forge Motorsport charge cooler. Designed to combat heat soak and deliver stronger, more consistent pulls, it is a proven cooling solution for fast road and track day use.
Nforcd tested and approved
We have installed and used this Forge chargecooler on customer S55 cars and feedback has been excellent. Customers report noticeably cooler intake temps and rock solid performance run after run. It is a high quality BMW M3 and BMW M4 chargecooler upgrade we are confident to recommend.
Compatibility
For BMW M3 and BMW M4 models equipped with the MSport S55 engine. Top mount replacement chargecooler and matching expansion tank.
What’s in the box
- 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
Installation and support
Professional fitting recommended. Nforcd offers installation in Warwickshire. To request a fitting quote or advice, contact Sales@nforcd.com.
Key search terms
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