Vaico V20-3921 Engine Timing Chain

BMW Timing Chain Kit for OE-Style Service

Restore precise valve timing with the Vaico V20-3921 engine timing chain assembly. This Expert Kits+ package is built for BMW and Mini applications that call for OE reference numbers 11417636187 or 11418600425, giving technicians a direct-fit service option for timing-related repairs.

VAICO Expert Kits+ groups the needed components into one box for a more efficient repair process. The V20-3921 is sized at 413 mm long, 317 mm wide, and 101 mm high, with a listed weight of 0.587 kg.

Key Features

• Engine timing chain assembly for valve train service
• VAICO Expert Kits+ product line for consolidated repair coverage
• OE reference support for BMW and Mini timing applications
• Cross-references OE numbers 11417636187 and 11418600425
• Built for BMW timing chain replacement jobs where exact fitment matters

Detailed Description

The Vaico V20-3921 is an engine timing chain component used in BMW and Mini timing system repairs across a wide range of 2014-2021 vehicles. It is listed for applications including BMW 330i, BMW 540i, BMW X5, BMW Z4, and Mini Cooper models, along with many xDrive and Gran Coupe variants. This part number is also referenced in OE-style service listings for BMW 228i xDrive Gran Coupe, 430i, 740i, X3, X7, and other supported platforms.

This part cross-references OE numbers 11417636187 and 11418600425 for the same application. The VAICO brand line emphasizes Expert Kits+ packaging, which consolidates the required service parts into a single kit format for timing chain repairs.

What It Is Used For

• Replacing a worn or stretched timing chain
• Addressing timing noise from a deteriorated chain assembly
• Correcting camshaft and crankshaft synchronization issues
• Supporting repairs after timing system wear or service interval failure
• Restoring proper engine timing on BMW and Mini applications

Installation Notes and Tips

Verify OE number match before ordering, especially on BMW 330i, BMW 540i, BMW X5, and Mini Cooper applications where multiple timing references appear in the catalog data. Confirm engine code and model year against the vehicle’s original part number 11417636187 or 11418600425 before installation. Timing system work should be performed with the correct locking tools and service procedures for the specific engine.

Quality Assurance

VAICO positions Expert Kits+ as a consolidated OE-style service solution for timing repairs. The V20-3921 is cataloged for BMW and Mini applications with OE-number-based fitment verification to support accurate parts selection.