GSC Power-Division 3090-12 Intake Valve Guides Set for 06-13 BMW 335i/135i N54

Vehicle Fitment

• 2006-2013 BMW 335i (E90/E92/E93) N54 3.0L I6
• 2007-2013 BMW 135i (E82) N54 3.0L I6
• Also fits other BMW N54 3.0L I6 models (e.g., 535i) with the same engine

Features

• Stopper-style intake valve guides for precise valve alignment
• Manganese bronze construction for excellent heat resistance and durability
• Precision CNC machined for tight tolerances and reliable performance
• Improves intake valve seating stability vs stock guides
• Designed to support high RPM and performance engine builds
• Set of 12 guides covers full intake side of N54 head
• Direct OEM-style replacement for worn or damaged guides
• Enhances valve sealing and reduces wear over time

Specifications

• Part Number: 3090-12
• Guide Material: Manganese bronze for superior heat dissipation
• Quantity: Set of 12 intake guides
• Total Length: ~1.654" / 42.01 mm
• Outer Diameter: ~0.3949" / 10.03 mm
• Valve Stem Diameter: ~5 mm

Included Components

• 12x Intake valve guides (stopper-style, manganese bronze)

Product Description

The GSC Power-Division 3090-12 intake valve guide kit is engineered for BMW engines equipped with the N54 3.0 L twin-turbo inline-6, including 135i and 335i models from 2006 through 2013 with the N54 engine platform. These manganese bronze guides are precision CNC machined and feature a stopper-style design to ensure accurate valve alignment, improved heat resistance, and long-lasting durability - especially beneficial on high-RPM or performance-tuned engines.

This complete set of 12 intake guides replaces worn or damaged stock components and helps maintain proper valve sealing, reducing wear in the valvetrain and enhancing reliability. The manganese bronze material offers good thermal conductivity and durability under the increased demands of performance builds, making it a solid choice for both engine rebuilds and enthusiast upgrades. Professional installation is recommended for optimal seating and alignment.