Koyorad is proud to introduce all-aluminum remote radiators for the 2018-2021 BMW Z4 3.0 Turbo. Features include: hand welded end tanks, furnace brazed and high density 48mm Hyper cores, and split directional louvered fins. Radiator core thickness has been increased by nearly 80% over the OEM auxiliary radiators to boost the platform's heat capacity and endurance. An all-aluminum construction provides an excellent upgrade to the OEM plastic tank heat exchangers which are prone to cracking over time. Packaging includes both driver and passenger side remote radiators. All mounting provisions are retained for the OEM rock guards and shrouding. The OEM quick connect hoses are a direct fit allowing an easy 30 minute installation per side with common hand tools. Advanced engineering and design methods, impeccable TIG welds, proficient furnace brazing, and triple pressure testing for quality has earned Koyorad an excellent reputation in performance cooling worldwide.
- BMW Z4 3.0 Turbo (2018, 2019, 2020, 2021)
Specs & Features
- All aluminum performance radiator
- Fits Automatic transmission
Koyo performance radiators are designed to improve your cooling systems efficiency and capacity with a direct replacement performance radiator. Koyo radiators feature a thicker core with a more efficient fin design to improve coolant flow and improve temperature drop across the radiator surface. Koyo is the largest radiator manufacture in Japan and uses the best materials such as aircraft quality aluminum and heli-arc welding and soldering to produce one of the strongest and most reliable radiators we have seen.
Koyo Radiators Feature:
- Beautiful polished metal finish
- 20-30% more colling capacity than standard radiators
- Built from aircraft quality aluminum
- Direct fit, direct replacement radiator
- Designed for stock, modified or race motors
- Great for forced induction - turbo, supercharged, nitrous
More in this categoryBMW Z4 Parts
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Unless otherwise noted, we can not ship most downpipes, headers, test pipes or intakes to California. We will notify you if we have to cancel the order if the item you purchased is not CARB legal. For all other states not following CARB smog laws, items are considered for off road use only (race tracks) and can not be used on public roads.