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The BMW E90, known for its sporty design and dynamic driving experience, can be significantly enhanced with a DIY camshaft upgrade. This article explores the power gains, associated costs, and essential installation tips to help you achieve optimal performance from your vehicle.
Understanding Camshaft Upgrades
A camshaft upgrade involves replacing the stock camshaft with one that has a different profile, allowing for improved airflow and better engine performance. This modification can lead to increased horsepower and torque, making your BMW E90 even more exhilarating to drive.
Power Gains from a Camshaft Upgrade
One of the primary reasons for upgrading the camshaft is the potential for significant power gains. Here are some expected benefits:
- Increased Horsepower: A performance camshaft can add anywhere from 15 to 30 horsepower, depending on the specific camshaft chosen and supporting modifications.
- Improved Torque: Enhanced torque can improve acceleration and overall responsiveness of the engine.
- Better Engine Sound: A performance camshaft often changes the engine’s sound, providing a more aggressive and sporty tone.
Cost of a Camshaft Upgrade
When considering a camshaft upgrade, it’s essential to factor in the costs involved. Here’s a breakdown of potential expenses:
- Camshaft Price: Expect to pay between $300 and $1,200 for a quality aftermarket camshaft.
- Installation Costs: If you’re not doing it yourself, labor costs can range from $200 to $500, depending on the shop.
- Additional Parts: You may need new lifters, pushrods, or other components, which can add another $100 to $300.
- Tuning: After installation, a proper tune is necessary, which can cost around $300 to $600.
Installation Tips for Your Camshaft Upgrade
Installing a camshaft can be a complex process, but with the right tools and preparation, it can be accomplished as a DIY project. Here are some tips to guide you through the installation:
- Gather Necessary Tools: Ensure you have all required tools, including a torque wrench, socket set, and engine hoist if needed.
- Prepare Your Workspace: A clean and organized workspace will help prevent losing parts and make the process smoother.
- Follow a Detailed Guide: Refer to a reputable service manual or online guide specific to the BMW E90 for step-by-step instructions.
- Take Your Time: Don’t rush the installation. Double-check all connections and torques to avoid issues later.
- Consider Upgrading Supporting Components: While upgrading the camshaft, consider replacing other components like the timing chain or belt for better reliability.
Common Mistakes to Avoid
While upgrading your camshaft, be aware of common pitfalls that can affect performance and reliability:
- Neglecting Tuning: Failing to properly tune your engine after installation can lead to poor performance and potential engine damage.
- Using Low-Quality Parts: Always invest in quality aftermarket parts to ensure longevity and performance.
- Ignoring Engine Condition: Ensure your engine is in good health before making performance upgrades; otherwise, you may face issues down the line.
- Overlooking Oil Changes: After a camshaft upgrade, ensure regular oil changes to keep the engine running smoothly.
Conclusion
A DIY camshaft upgrade on your BMW E90 can deliver impressive power gains and enhance your driving experience. By understanding the costs, following proper installation tips, and avoiding common mistakes, you can successfully complete this modification and enjoy the benefits it brings.