PKSABB 25-Row Aluminum Oil Cooler Kit — E90/E92/E93 335i N54

Measuring 11.5" x 7" x 2", the all-aluminum 25-row core offers an excellent balance of cooling capacity and compact packaging. Aluminum's natural thermal conductivity pulls heat out of your oil efficiently while keeping added weight to a minimum — a real advantage in performance applications. The included vented mounting bracket is designed to channel airflow directly through the core, maximizing heat extraction even at lower vehicle speeds common in autocross environments.

The kit includes everything needed for installation: high-pressure, high-temperature hydraulic hoses in both 34" and 45" lengths, along with dedicated adapters and fittings for a direct bolt-on connection to the N54's oil circuit. No hunting for additional hardware. That said, instructions are not included, and professional installation is strongly recommended to ensure proper line routing and a leak-free setup.

One critical fitment note for E90 sedan and E91 wagon owners: the BMW OEM fog light (Part #63177158542) must be purchased separately to complete the installation. Coupe and convertible owners are not subject to this requirement. If you're serious about protecting your N54 under demanding driving conditions, this kit delivers a direct, no-compromise solution.