Best Transmission Upgrades for Power Handling in E30 M50 Swaps

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The E30 M50 swap has become a popular choice among car enthusiasts looking to enhance the performance of their BMW E30. One crucial aspect of this swap is ensuring that the transmission can handle the increased power. In this article, we will explore the best transmission upgrades for power handling in E30 M50 swaps.

Understanding the E30 M50 Swap

The E30 chassis is known for its lightweight design and excellent handling characteristics. The M50 engine, a 2.5L inline-six, provides a significant power boost compared to the stock engines typically found in E30s. However, to fully utilize this power, upgrading the transmission is essential.

Key Considerations for Transmission Upgrades

  • Power Output: Understanding the power output of your M50 engine.
  • Driving Style: Consider how you plan to use the vehicle (daily driving vs. track).
  • Budget: Determine how much you are willing to spend on upgrades.

1. Getrag 260 Transmission

The Getrag 260 is a popular choice for E30 M50 swaps due to its durability and compatibility. It can handle moderate power levels and is a straightforward swap for E30 enthusiasts.

2. ZF 5-Speed Transmission

The ZF 5-speed transmission is a robust option that can handle higher power outputs. It is often found in higher-performance BMW models and provides a smoother shifting experience.

3. Getrag 315 Transmission

The Getrag 315 is another strong contender for E30 M50 swaps. It offers increased torque handling capabilities and is ideal for those looking to push their engine to higher power levels.

Supporting Modifications

In addition to selecting a suitable transmission, several supporting modifications can enhance overall performance and reliability.

  • Upgraded Clutch: A stronger clutch can handle increased power and provide better engagement.
  • Short Shifter: A short shifter can improve shifting speed and feel.
  • Transmission Mounts: Upgraded mounts can reduce flex and improve alignment.

Conclusion

Upgrading the transmission in an E30 M50 swap is crucial for maximizing performance and ensuring reliability. By selecting the right transmission and making supporting modifications, you can enhance your driving experience and fully enjoy the benefits of the M50 engine.