Table of Contents
Upgrading your BMW E46 330i with a Schrick camshaft kit is an excellent way to enhance performance. This guide will take you through the step-by-step process of installing the kit, which can add over 20 horsepower to your engine.
Tools and Materials Needed
- Schrick camshaft kit
- Socket set
- Torque wrench
- Engine oil
- Gasket scraper
- New gaskets
- Timing tool
- Shop towels
- Safety glasses
- Gloves
Preparation
Before starting the installation, ensure that you have all the necessary tools and materials at hand. Safety is paramount, so wear gloves and safety glasses throughout the process.
Step 1: Disconnect the Battery
Begin by disconnecting the negative terminal of the battery to prevent any electrical issues during the installation.
Step 2: Remove the Engine Cover
Next, remove the engine cover by unscrewing the bolts that hold it in place. This will give you access to the engine components.
Step 3: Remove the Intake Manifold
Carefully detach the intake manifold. This step may involve disconnecting various sensors and hoses. Keep track of where each part goes for reassembly.
Step 4: Remove the Valve Cover
Next, remove the valve cover by unscrewing the bolts. Make sure to clean the surface thoroughly to ensure a good seal when reassembling.
Step 5: Set the Engine to Top Dead Center (TDC)
Use the timing tool to set the engine to TDC. This is crucial for proper camshaft alignment during installation.
Installing the Schrick Camshaft Kit
Step 6: Remove the Stock Camshafts
Carefully remove the stock camshafts by unscrewing the retaining bolts. Keep all components organized for reinstallation.
Step 7: Install the Schrick Camshafts
Position the Schrick camshafts in place. Ensure they are aligned correctly with the timing marks. Secure them with the retaining bolts, torquing them to the manufacturer’s specifications.
Step 8: Reinstall the Valve Cover
Once the new camshafts are in place, reinstall the valve cover. Apply a new gasket to ensure a proper seal.
Step 9: Reinstall the Intake Manifold
Reattach the intake manifold, making sure to reconnect any sensors and hoses that were detached earlier.
Step 10: Reconnect the Battery
After everything is in place, reconnect the negative terminal of the battery. Double-check all connections and components before starting the engine.
Testing the Upgrade
Once the installation is complete, start the engine and allow it to idle for a few minutes. Listen for any unusual sounds and check for leaks.
Step 11: Take a Test Drive
After ensuring everything is functioning properly, take your E46 330i for a test drive. Monitor the performance and enjoy the added horsepower!
Conclusion
Installing a Schrick camshaft kit can significantly enhance the performance of your BMW E46 330i. By following these steps, you can successfully add over 20 horsepower to your vehicle and enjoy a more exhilarating driving experience.