Manual Transmission S6S 420G – BMW M5

Finding a genuine BMW S6S 420G manual transmission is becoming increasingly difficult, making this OEM BMW gearbox one of the most sought-after spare parts for enthusiasts, collectors, and professional restorers. This 6-speed manual gearbox was originally designed for the legendary BMW M5 models (E34 M5 and E39 M5), known for their power, precision, and engineering excellence. Whether you are restoring a classic M5, upgrading your performance build, or replacing a worn-out gearbox, the BMW S6S 420G transmission ensures an authentic driving experience that cannot be matched by alternatives.

Key Features of the BMW S6S 420G Transmission

• OEM BMW Manual Gearbox: Built to factory specifications for the ultimate reliability.

• 6-Speed Performance: Perfectly engineered gear ratios for smooth shifting and performance driving.

• Designed for M5 Engines: Specifically built to handle the power of the BMW S38, S62, and other high-performance engines.

• Durability & Longevity: Known for its strength, this gearbox is trusted by BMW enthusiasts worldwide.

• Rare & Collectible: Genuine S6S 420G transmissions are discontinued, making them a valuable investment for collectors and restorers.

Compatibility

The S6S 420G transmission is compatible with:

• BMW E34 M5 (3.6L & 3.8L S38 engines)

• BMW E39 M5 (4.9L S62 engine)

• Select applications in BMW 540i and custom high-performance builds.

This gearbox is the exact unit installed in the factory, ensuring perfect fitment and seamless integration with your BMW’s drivetrain.

Why Choose the S6S 420G Manual Transmission?

Enthusiasts across the USA, UK, and France are actively searching for OEM BMW manual transmissions to maintain the authenticity of their M5 models. Replacing a worn gearbox with an original S6S 420G guarantees:

• Authentic Driving Feel: Experience the factory-true BMW manual shifting.

• Enhanced Resale Value: Cars with the correct OEM transmission maintain higher collector value.

• Reliability: Unlike aftermarket conversions, this OEM gearbox is engineered to handle M power reliably.

• Performance: Precision gear ratios optimized for both everyday driving and track performance.

Specifications

• Model: S6S 420G

• Type: 6-speed manual transmission

• Applications: BMW E34 M5, BMW E39 M5, select BMW 540i models

• OEM Quality: Genuine BMW part, designed for high-performance engines

• Condition: Original unit (check stock for availability)

Rare & Discontinued – Act Fast

As BMW no longer produces the S6S 420G transmission, every available unit is highly valuable. Restorers and performance enthusiasts know that sourcing this gearbox today is not only about performance but also about preserving BMW history.

Bring your BMW M5 back to life with the legendary S6S 420G manual transmission. Don’t settle for aftermarket solutions—choose OEM quality built for performance and authenticity. With limited availability and rising demand across the USA, UK, and France, this gearbox won’t stay in stock for long.