42mm Auxiliary Radiator (BMW M3/M4/M2 CS F8X S55 2014-2021 Downflow Left Hand Side)

Upgrade your BMW F82 M4 with PWR’s Auxiliary Radiator, handcrafted and TIG welded with precision in the USA. With its race inspired Louvered R-fin & rolled dimple tube core technology, this cooler offers race and street proven performance even in the most demanding driving conditions.

Our auxiliary radiator is a direct replacement for the OEM cooler, with plug and play installation and an exact OEM fitment. It utilizes the OEM quick disconnect fittings & stock mounts that come on the M4, making it easy to install without complex modifications or time-consuming installations.

With its superior cooling capabilities, the M4 F82 PWR Auxiliary Radiator is the perfect solution for hot summer days on the streets or at the track. When used in conjunction with our M4 radiator, heat exchanger, water-to-air charge air cooler, upstream heat exchanger, and oil cooler, you’ll have the highest-performing cooling package available for your F82 M4.

Don’t settle for long cooldown times and limited track sessions – invest in the PWR BMW M4 Auxiliary Radiator and keep your M4 running cool and strong. Whether you’re hitting the track or cruising around town, upgrade with confidence and experience the unfair advantage in cooling technology!

Dimensions:

• Overall Height / Core Height: 11.95 in / 7.13 in
• Overall Width / Core Width: 10.18 in / 10.18 in
• Overall Depth / Core Depth: 3.39 in / 1.65 in
• OEM quick disconnect inlets & outlets

BMW F82 M4 (2014-2020) Aux. Engine Radiator – LH

Radiator Style: Downflow
Number of Passes: Single
Inlet Location: Upper Passenger
Inlet Size: BMW Q/D Fitting
Outlet Location: Lower Passenger
Outlet Size: BMW Q/D Fitting
Tube Size: 42mm