Restore proper airflow to your BMW E36 alternator with this direct-fit cooling duct - designed for M50, M52, S50, and S52 engines. A reliable replacement for cracked or missing intake tubes, engineered for clean fit and long-term durability.

Features

• Direct replacement for lost or broken alternator cooling duct
• Maintains proper airflow to keep alternator cooler
• Designed for easy installation - no modifications needed
• Made from black, heat- and weather-resistant automotive plastic
• Helps extend alternator and engine bay component life

Fitment

• 1992-1998 BMW E36 3-Series
• Compatible with sedan, coupe, convertible, and Ti models
• For engines: M50, M52, S50, S52
• Will not fit E36 compact diesel models

OEM Part Numbers

• 12311730635

Includes

• 1x Alternator Cooling Duct
• (Mounting hardware not included)

Disclaimer

• These are high-quality custom reproductions designed to match or exceed original specs
• These are not OEM parts but parts designed exclusively by CustomAutopartsLLC
• Minor tooling marks may be present - hidden when installed
• No clips, fasteners, or other accessories included

Warranty Information

• 12-month warranty from delivery date
• Covers manufacturing defects only
• Does not cover damage from improper install or vehicle misfit
• Contact us with photo evidence - free replacement provided if verified