Introducing our radiator upgrade for the BMW F82 M4, proudly handcrafted and TIG-welded in the USA. This radiator is engineered with advanced 26mm rolled dimple tubes and hemmed/louvered R-fin technology to provide the highest heat rejection possible.

BMW 2001-2006 42mm Radiator E46 M3 Track Spec

PWRs new generation of BMW radiators are designed with our own high grade aluminum PWR built cores. Manufactured by hand at our state-of-the-art facilities in the USA. Designed for OE fit and installation, in most instances, our radiators are a true plug and play cooling solution. All PWR radiators have been maximized with the most core face possible for the available space. Our engineered cooling tube and innovative louvered fin angles, drawing inspiration from racing, are tailored for street use to maximize heat dissipation. Protect the most expensive part of your vehicle with the quality and performance of a PWR radiator. All PWR radiators come with a 1 Year manufactured warranty.

Radiator Style: Crossflow
Number of Passes: Single
Inlet Location: Upper Driver
Inlet Size: OEM
Outlet Location: Lower Passenger
Outlet Size: OEM
Tube Size: 42mm