CSF 7063 High-Performance Radiator for 1988-1991 BMW E30 M3 2.3L/2.7L

Vehicle Fitment

• 1988-1991 BMW M3 (E30, S14 2.3L/2.7L I4) - Radiator

Features

• High-performance all-aluminum radiator engineered to enhance cooling efficiency
• Single-row core with CSF's exclusive B-Tube technology for increased heat transfer
• Ultra-efficient multi-louvered fin design maximizes airflow through the core
• CNC-machined OE-style inlet/outlet fittings for secure hose connection
• CNC-machined brackets and hardware for durable OE-quality drop-in fit
• All-aluminum race-style drain plug included
• Mirror-finish polished core for corrosion resistance and aesthetics
• Drop-in installation requiring no modifications to OEM mounting points

Specifications

• Part Number: CSF 7063
• Core Material: Aluminum
• Tank Material: Aluminum
• Rows: 1
• Core Width: Approx. 17.00"
• Core Height: Approx. 14.75"
• Core Thickness: Approx. 1.25"
• Flow Type: Down-flow radiator
• Inlet Diameter: ~1.375" (top right)
• Outlet Diameter: ~1.375" (bottom right)
• Transmission/Engine Coolers: None integrated
• Radiator Cap: Not included
• Sold Individually (1x radiator)

Included Components

• 1x CSF 7063 High-Performance All-Aluminum Radiator

Product Description

The CSF 7063 high-performance radiator is engineered specifically for the **1988-1991 BMW E30 M3** equipped with the **S14 2.3 L/2.7 L inline-4 engine**. Featuring CSF's proprietary **B-Tube technology** and a precisely engineered single-row core, this radiator delivers improved heat transfer and airflow efficiency compared to the stock cooling unit. Its ultra-efficient multi-louvered fin design helps maximize airflow through the core, supporting enhanced engine cooling under spirited driving, daily use, or light track conditions.

Designed as a **true drop-in replacement**, the CSF 7063 uses OE-style CNC-machined inlet/outlet fittings and mounting brackets that align with original mounting points, requiring no modifications for installation. The all-aluminum construction, polished finish, and race-style drain plug provide both long-term durability and a quality appearance. Whether you're replacing an aging factory radiator or upgrading for improved performance cooling, this CSF radiator offers dependable temperature management for your classic E30 M3.