KLM Ice Box

🧊 KLM BMW G80 / G82 / G87 Ice Box Kit — Drag Racing Cooling System (5-Gallon) The KLM Ice Box Setup is designed to deliver maximum cooling performance for the BMW G-Series platform, including the G80 M3, G82 M4, G87 M2, and G22 4-Series. Whether you’re pushing your BMW past 700+ horsepower on the street or chasing personal bests on the drag strip, this kit provides consistent intake temps and reliable performance run after run. This system allows you to keep your factory A/C and heat exchanger for comfortable daily driving, while still giving you the flexibility to remove them for dedicated track use. It’s the ultimate dual-purpose cooling solution for both street and competition builds. 🔥 Key Features Designed for BMW G80 M3, G82 M4, G87 M2, and G22 4-Series 5-Gallon KLM Ice Box with billet pump bracket for strength and durability Retains OEM A/C and heat exchanger (optional delete for track use) Includes modified Pierburg CWA400 pump for high-flow efficiency Precision-machined KLM billet lid and billet passthrough flange Full AN fitting and hose package included for complete installation Helps eliminate heat soak and keeps intercooler fluid temps stable Ideal for single turbo, upgraded intercooler, or drag racing builds Engineered for both street comfort and race performance 📦 Complete Kit Includes KLM Ice Box w/ Billet Pump Bracket (5 Gal) KLM Billet Lid KLM Billet Passthrough Flange Pierburg CWA400 Pump (Modified w/ Fitting) Pump Mounting Bracket AN Shut-Off Valve Water Pump Pigtail 1.5″ Hose Coupler (x1) 1.5″ Hose Clamps (x2) 1/8″ NPT Breather Vent (x1) Billet Coolant Block-Off Fitting (x1) 3/4″ T-Fitting (x1) 3/4″ Straight Barb Fitting (x1) 1″ to 3/4″ Barb Reducer (x1) Double Zip-Ties (x5) Mounting Screws (x2) M6 Short Bolts (x3) M8 Long Bolts (x3) M8 Lock Nuts (x3) 16AN 90° Fitting (x1) 16AN 45° Fitting (x1) 12AN 90° Fitting (x2) 10AN 90° Fitting (x2) 10AN 45° Fitting (x2) Push-Lock 16AN 90° (x1) Push-Lock 12AN 90° (x1) Push-Lock 10AN Straight (x1) 16AN Line, 12AN Line, 10AN Line 16AN, 12AN & 10AN Push-Lock Hoses 1″ Hose Clamps (x6) ⚠️ Fitment Notice With the configuration shown, this setup will not clear the factory exhaust system due to the OEM muffler size. The passthrough fitting will need to be relocated for vehicles running the stock exhaust. 🏁 Performance You Can Trust The KLM Ice Box Kit is built for enthusiasts who demand the best cooling performance from their BMW G-Series. Whether you’re racing down the strip or cruising on the highway, this system ensures your intake air temps stay consistent, your engine stays protected, and your performance stays repeatable every pass. Compatible with: BMW G80 M3, G82 M4, G83 M4 Convertible, G22 4-Series, and G87 M2