CAtuned All-Aluminum Radiator for BMW E30 318is – M42 Engine | Black Series

CAtuned All-Aluminum Radiator for BMW E30 318is – M42 Engine | Black Series

Upgrade your BMW E30 318is M42 with this premium CAtuned all-aluminum radiator, now available in a sleek Black Series finish. Engineered for maximum durability, heat dissipation, and factory-perfect fitment, this radiator is designed specifically for late-model E30 318 M42 cars and delivers reliable cooling performance with a stealthy, performance-oriented look.

Key Features

All-Aluminum Construction – Lightweight, durable, and finished in Black Series coating for a clean, high-end appearance.

OEM Fitment – Direct replacement for late-model E30 318is M42 radiator; no modifications required.

Factory Look, Performance Ready – Maintains the original installation style while improving cooling efficiency with a premium finish.

Specifications

Material: Aluminum

Finish: Black Series Coating

Fitment: E30 318is (M42 engine, late-model)

Mounting: Direct replacement for OEM radiator

Whether restoring your E30 or upgrading to a higher-performance cooling solution, this CAtuned Black Series radiator combines durability, fitment, and a refined appearance for long-lasting performance.

Need a New Radiator Cap?

Maintain your BMW E30 cooling system with the correct expansion tank cap. 1.4 bar cap – Great for most factory and lightly modified setups. 2.0 bar cap – Ideal for higher-stress or performance builds that demand extra pressure tolerance. Replace old, brittle, or faded caps to ensure reliable cooling performance.