Table of Contents
The E30 BMW is a beloved platform among car enthusiasts, known for its lightweight chassis and classic styling. One of the most popular upgrades for this vehicle is the S50 engine swap. This guide will walk you through the process of transforming your stock E30 into a beastly machine in just 10 steps.
Step 1: Gather Your Tools and Parts
Before starting the swap, ensure you have all necessary tools and parts ready. This will save you time and frustration during the installation process.
- Socket set
- Wrenches
- Engine hoist
- Jack and jack stands
- S50 engine
- Transmission
- Wiring harness
- ECU
- Motor mounts
- Exhaust components
Step 2: Prepare Your E30
Start by removing the stock engine and transmission from your E30. Disconnect all wiring, hoses, and mounts before lifting the engine out.
Step 3: Install Motor Mounts
Install the S50 motor mounts into the E30 chassis. Ensure they are securely fastened and aligned properly to accommodate the new engine.
Step 4: Fit the S50 Engine
Using an engine hoist, carefully lower the S50 engine into the engine bay. Make sure it sits correctly on the motor mounts and is level.
Step 5: Connect the Transmission
Attach the transmission to the S50 engine. Ensure that all bolts are tightened to the manufacturer’s specifications.
Step 6: Wiring and ECU Installation
Install the wiring harness and connect it to the S50 engine. Make sure to connect the ECU and any necessary sensors for proper engine function.
Step 7: Exhaust System Setup
Install the exhaust components that are compatible with the S50 engine. Ensure there are no leaks and that the exhaust system is securely mounted.
Step 8: Cooling System Installation
Install the radiator and connect the cooling hoses. Make sure to fill the system with coolant and check for leaks.
Step 9: Fuel System Upgrade
Upgrade the fuel system to support the S50 engine. This may include installing a higher-flow fuel pump and new fuel lines.
Step 10: Final Checks and Testing
Before starting the engine, double-check all connections and components. Once everything is confirmed, crank the engine and listen for any irregular sounds. Make sure to check for leaks and ensure the engine runs smoothly.
Conclusion
The S50 swap in an E30 is a rewarding project that can significantly enhance the performance of your vehicle. By following these 10 steps, you can successfully complete the installation and enjoy your new beast on the road.