Looking for aftermarket parts to modify or upgrade your 2003 BMW M3 with radiators? At Tunersports.com we carry a huge selection of the top name brand performance radiator parts and accessories for your M3.
Whether you have a 2003 BMW M3 in Base trim we have you covered. We have 3 radiators available to mod your M3. All parts have free shipping to the Continental US 48 States.
 IN STOCK 7058CSF, The Cooling Experts, have been serving the US aftermarket for almost 4 decades. With over 30 million units sold, CSF is your exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators and Pressure Caps.... CSF 00-06 BMW M3 (E46) Triple Pass Radiator 2001-2006 BMW M3 Base $579.00 |
 IN STOCK - LOW HH422675Koyorad's new 48mm “HH” Series radiator core features an ultra high fin density to maximize heat transfer. Koyo designs and manufactures each radiator with precision; therefore each one is a direct-fit performance replacement for the stock OE plastic/aluminum radiator for a quick and simple ins... Koyo 01-06 BMW E46 M3 3.2L I6 Radiator 2001-2006 BMW M3 Base $509.12 |
 IN STOCK MMRAD-E46-01The S54 is an incredible feat of engineering. Smooth power delivery, individual throttle bodies, and an 8,000 rpm redline makes for an unforgettable driving experience. As with any BMW, maintenance is key to extending the life of your vehicle and ensuring that you're getting a driving experience riv... Mishimoto 01-06 BMW M3 3.2L Performance Aluminum Radiator 2001-2006 BMW M3 Base $720.95 |