SKU: 3090.001-1
GSC Power-Division BMW 335i E92 2008-2013 L6 Manganese Bronze Intake Valve Guide Stopper Style +.001in OD – Single
GSC Power-Division Manganese Bronze Intake Valve Guide features stopper style design and +0.001in outer diameter for BMW 335i E92 with N54 or N55 engines. This single guide ensures accurate valve stem alignment and sealing in high-performance applications. Ideal for engine rebuilds or upgrades requiring reliable valvetrain components.
Key Features
- Manganese Bronze Material: Delivers effective heat transfer and resistance to wear during extended high-rpm operation
- Stopper Style Design: Positions guide at exact depth to prevent over-insertion and simplify press-in installation
- +0.001in Outer Diameter: Provides custom clearance for heads with minor bore wear or aftermarket valve seats
- Precision Machining: Matches OEM specs for BMW N54/N55 inline-6 engines with tight tolerances for consistent performance
- Sold as Single: Allows flexible ordering for partial or full sets of 6 intake guides per engine
Product Notes
- Inspect cylinder head valve guide bores before installation to confirm +0.001in sizing
- Clean guides thoroughly after installation to maintain valve stem lubrication
- Packaged in protective sleeve to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Use dedicated valve guide installer tool for press-fit without distortion
- Compatible with stock BMW heads and GSC performance valve seats
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2013 | BMW | 3 Series | 335i E92 |
| 2008-2013 | BMW | 3 Series | 335i xDrive E92 |
| 2008-2013 | BMW | 1 Series | 135i E82 |
| 2009-2013 | BMW | Z4 | sDrive35i E89 |
| 2007-2013 | BMW | 3 Series | 335i E90/E91/E93 |
Why Choose GSC Power-Division?
- Proven in motorsport with N54/N55 race engines worldwide
- High-strength alloys built for daily and track durability
- Exact engineering from CAD design to CNC production
Frequently Asked Questions
- Q: Will this fit both N54 and N55 engines in 335i E92?
A: Yes, stopper style guides match valve guide bores in both twin-turbo N54 (2008-2010) and N55 (2011-2013) inline-6 engines - Q: What makes Manganese Bronze suitable for intake guides?
A: Manganese Bronze alloy resists galling from valve stems while conducting heat away from the combustion chamber effectively - Q: What warranty applies and installation tips?
A: GSC offers defect warranty. freeze head if needed, measure bores with telescoping gauge, install dry with lubricant-free tool
Shipping & Handling
- Method: USPS First Class or UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective sleeve in 4x3x1 inch box
- Weight: 0.05 lbs





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