do88 Auxiliary Oil Cooler — BMW M3 E46

A secondary oil cooler for low-pressure applications such as power steering or gearbox oil cooling.

⚠ Requires the do88 Aluminum Radiator (WC-310)

This cooler mounts to brackets built into the do88 performance radiator for the E46 M3. It is not a standalone part — it will not fit the OEM radiator.

Specification

• AN6 male connections on both ports — oil lines not included, to be sourced separately
• Core dimensions: 446 x 131 x 26.5mm
• Total dimensions: 652 x 131 x 202mm
• Supplied with rubber-lined P-clips and mounting screws

Cooler only — no oil lines included. Requires the do88 Aluminum Radiator to mount.