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The BMW E30 M20 engine is a classic among car enthusiasts, known for its robust performance and tuning potential. One of the most effective ways to enhance the performance of this engine is through camshaft upgrades. In this article, we will explore the best camshaft upgrades for the E30 M20 that can provide significant horsepower gains, ranging from 10 to 20 HP.
Understanding Camshaft Upgrades
Before diving into specific brands and models, it’s essential to understand what a camshaft upgrade entails. The camshaft controls the timing and duration of the engine’s valves, which directly affects engine performance. Upgrading the camshaft can lead to better airflow, improved throttle response, and increased horsepower.
Factors to Consider When Choosing a Camshaft
- Profile Type: Different cam profiles can provide varying performance characteristics.
- Lift and Duration: Higher lift and longer duration can enhance airflow but may require supporting modifications.
- Intended Use: Consider whether the car will be used for daily driving, track, or racing.
- Compatibility: Ensure the camshaft is compatible with other engine modifications.
Top Camshaft Upgrades for the E30 M20
1. Schrick 272 Camshaft
The Schrick 272 camshaft is one of the most popular upgrades for the E30 M20. It offers a significant increase in horsepower, typically around 15 HP. This camshaft features a high lift and longer duration, making it ideal for those looking to maximize performance.
2. Schrick 284 Camshaft
If you’re seeking even more power, the Schrick 284 camshaft is an excellent choice. With potential gains of up to 20 HP, this camshaft is designed for enthusiasts who want to push their engine to the limit. It requires additional modifications for optimal performance.
3. Alpina Camshaft
The Alpina camshaft is another solid option for E30 M20 owners. Known for its smooth power delivery, it provides gains of around 10-15 HP while maintaining good drivability. This camshaft is suitable for those who want performance without sacrificing everyday usability.
4. Piper Cams
Piper Cams offers a range of camshaft options for the E30 M20, with the Piper 285 being a popular choice. This camshaft can deliver up to 20 HP gains and is known for its aggressive profile, making it perfect for track applications.
5. KMS Camshaft
The KMS camshaft is designed for high-performance builds and can yield gains of 15-20 HP. It is particularly suited for those who have made other modifications to their engine and are looking for a camshaft that complements those upgrades.
6. Cat Cams
Cat Cams provides a range of performance camshafts for the E30 M20, with options that can increase horsepower by approximately 10-15 HP. Their camshafts are known for their quality and reliability, making them a favorite among enthusiasts.
7. BMW Motorsport Camshaft
The BMW Motorsport camshaft is a factory option that can deliver performance gains of around 15 HP. Designed for racing applications, this camshaft offers excellent performance while maintaining OEM reliability.
8. Tuner Camshaft
Tuner camshafts are often custom-made for specific builds. Depending on the specifications, these camshafts can provide significant gains, often exceeding 20 HP. They are ideal for those who want a tailored solution for their performance needs.
9. Schrick 260 Camshaft
The Schrick 260 camshaft is a more moderate upgrade that can yield 10-15 HP. It is a great option for daily drivers who want a bit more performance without sacrificing reliability.
10. Custom Grind Camshaft
A custom grind camshaft can be designed to meet your specific performance goals. Depending on the design, gains can vary widely, but many enthusiasts report increases of 15-20 HP with the right specifications.
Conclusion
Upgrading the camshaft on your E30 M20 can lead to substantial performance improvements. Whether you choose a well-known brand like Schrick or opt for a custom solution, the right camshaft can unlock the full potential of your engine. Consider your goals, the intended use of your vehicle, and consult with professionals to find the best option for your build.