SKU: GDE-BMW-N55-E-12 | UPC: 1037721245588
Supertech BMW N55/S55 6mm Stem Manganese Bronze Exhaust Valve Guide – Set of 12
The Supertech GDE-BMW-N55-E-12 Manganese Bronze Exhaust Valve Guides are precision-engineered for high-performance BMW N55 and S55 engines. Made from high-quality manganese bronze, these guides offer superior heat dissipation, excellent wear resistance, and extended durability under the high temperatures and stresses of turbocharged and high-RPM applications. Sold as a complete set of 12, they are the ideal choice for engine builders doing full cylinder head work on 335i, M3, M4, and other N55/S55-powered vehicles.
Key Features
- Manganese Bronze Material: Superior heat transfer and wear resistance compared to standard guides
- 6mm Stem Diameter: Precision machined for perfect fit with 6mm stem valves
- Complete Set of 12: Full set for all exhaust valves on N55/S55 inline-6 engines
- High-Performance Design: Ideal for boosted, high-horsepower, and track applications
- Supertech Quality: Trusted by professional engine builders worldwide
Specifications
| Specification | Detail |
|---|---|
| Part Number | GDE-BMW-N55-E-12 |
| Material | Manganese Bronze |
| Stem Diameter | 6mm |
| Quantity | Set of 12 (Exhaust Guides) |
| Application | BMW N55 and S55 Engines |
| Installation | Professional Cylinder Head Work Recommended |
| Country of Origin | United States |
| Warranty | Limited (Supertech) |
| Shipping Weight | Approx. 2-3 lbs |
What’s Included
- Set of 12 Supertech Manganese Bronze Exhaust Valve Guides
- Installation/Technical Information
Product Notes
- Designed for professional engine rebuilds and high-performance applications
- Excellent choice for N55/S55 engines running high boost or aggressive camshafts
- Professional installation by experienced machine shop recommended
Installation Notes
- Requires precision valve guide installation and head machining
- Professional cylinder head service recommended
- Valve job and proper clearance checking required
This Part Fits
| Year | Make | Model | Notes |
|---|---|---|---|
| 2011-2016 | BMW | 135i / 235i / 335i / 435i / 535i | N55 Engine |
| 2015-2018 | BMW | M3 / M4 | S55 Engine |
| 2016-2018 | BMW | M2 | S55 Engine |
| 2011-2017 | BMW | 535i / 640i / X5 / X6 | N55 Engine |
Why Choose Supertech Valve Guides?
- Industry-leading materials and precision manufacturing
- Proven performance in high-horsepower BMW N55/S55 builds
- Excellent heat dissipation for boosted and high-RPM applications
Frequently Asked Questions
- Q: Are these for intake or exhaust?
A: These are specifically Exhaust Valve Guides for the BMW N55 and S55 engines. - Q: How many guides are in the set?
A: Set of 12 enough for a complete set of exhaust valves on the inline-6 engine. - Q: Do I need a machine shop?
A: Yes, proper installation requires professional valve guide replacement and head work.
Shipping & Handling
- Method: UPS / FedEx Ground
- Availability: In stock ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 2-3 lbs
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