Installing the S50b30 in Your E30: Cost Breakdown and Key Tips

by

The BMW E30 is a beloved classic among car enthusiasts, and many owners are looking to enhance performance by swapping the stock engine for something more powerful. One popular option is the S50B30 engine, known for its impressive output and reliability. In this article, we will break down the costs associated with installing the S50B30 in your E30 and provide key tips to ensure a successful swap.

Understanding the S50B30 Engine

The S50B30 is a 3.0-liter inline-six engine that was used in the BMW M3 E30. It features a high-revving design and produces around 240 horsepower. This engine is a popular choice for E30 owners looking to upgrade their vehicle’s performance while maintaining a level of reliability.

Cost Breakdown for the S50B30 Swap

When planning an engine swap, understanding the costs involved is crucial. Here’s a breakdown of the main expenses you can expect:

  • S50B30 Engine: $3,000 – $5,000
  • Transmission: $800 – $1,500
  • Engine Mounts: $200 – $400
  • Wiring Harness: $300 – $600
  • ECU: $500 – $1,000
  • Exhaust System: $400 – $800
  • Miscellaneous Parts: $500 – $1,000
  • Labor (if applicable): $1,000 – $2,000

Key Tips for a Successful Swap

Installing the S50B30 engine in your E30 can be a rewarding project. Here are some key tips to help you along the way:

  • Research: Familiarize yourself with the swap process by reading forums and guides specific to the E30 and S50B30.
  • Gather Parts: Ensure you have all necessary parts before starting the installation to avoid delays.
  • Consider Professional Help: If you’re not experienced with engine swaps, consider hiring a professional or working with a knowledgeable friend.
  • Plan for Wiring: The wiring harness can be complex; be prepared to modify it for compatibility with your E30.
  • Cooling System: Upgrade your cooling system to handle the increased power and heat from the S50B30.
  • Test Thoroughly: After installation, conduct thorough tests to ensure everything is functioning correctly.

Final Thoughts

Swapping the S50B30 engine into your E30 can significantly enhance your driving experience. While the cost can add up, the performance benefits are well worth the investment. By planning carefully and following the tips outlined in this article, you can successfully complete this exciting project and enjoy the thrill of driving a more powerful E30.