CSF BMW S55 M2 Competition / M3 (F80) / M4 (F82/F83) DCT Transmission Cooler

The S55's dual-clutch transmission delivers lightning-fast, precise gear changes - but extreme heat can quickly compromise both that performance and long-term reliability. CSF's Dual-Pass DCT Transmission Cooler is the world's first and only true plug-and-play upgraded DCT transmission cooler for the S55 engine across the F80 M3, F82/F83 M4, and F87 M2 Competition, engineered to significantly outperform the restrictive factory cooler.

Built using CSF's AC condenser technology with a 1-row, super-high-pressure 26mm multi-channel microtube, the dual-pass high-performance core uses 10 cooling tubes versus the OEM's single-pass, 6-tube design with a separate return pipe - genuinely more effective heat rejection, not just a bigger unit. Lab tested at approximately 30% more efficient than the OEM cooler, this reduces thermal stress on expensive transmission components and helps preserve shift quality under sustained load. It's a true drop-in fit, accepting all OEM attaching components including oil-line connections, mounting brackets, and shroud/ducting.

Why Choose This Transmission Cooler

• World's first true plug-and-play DCT transmission cooler for the S55
• Dual-pass core with 10 cooling tubes - versus the OEM's single-pass, 6-tube design
• Lab tested at ~30% more efficient than the factory cooler
• High-density multi-louvered fin design - maximises surface area contact
• True drop-in fit - accepts all OEM oil-line connections, mounting brackets, and ducting
• Preserves shift quality and reduces thermal stress - genuine reliability upgrade under sustained hard use

Compatibility

• BMW F87 M2 Competition/CS (S55, DCT only)
• BMW F80 M3 (2014-2018, S55, DCT only)
• BMW F82 M4 Coupe (2014-2020, S55, DCT only)
• BMW F83 M4 Convertible (2014-2020, S55, DCT only)