GSC Power-Division Exhaust Valve Guide – BMW E92 335i N54/N55/S55 – Part #GSC3089
This standard-size exhaust valve guide from GSC Power-Division is engineered for BMW E92 335i models equipped with N54, N55, or S55 engines. Precision-machined for 6mm valve stems, it’s available individually or in complete sets of 12—ideal for head service, rebuilds, or performance upgrades.
Purchase Options:
- Standard Size: Sold individually or as a 12-piece set
- Oversized Options: Available individually in +0.001" and +0.003"
Specifications (Standard – Part #GSC3089):
- Total Length: 1.884 in / 47.85 mm
- Outer Diameter: 0.3949 in / 10.03 mm
- Valve Stem Diameter: 6 mm
Notes:
- Designed for OE-style fit and finish
- Ideal for high-performance builds or precision head work
- Material and finish not specified by manufacturer
Fitment:
- 2007 BMW 335i E92 N54 (exhaust valve guide, 6mm stem, standard size)
- 2008 BMW 335i E92 N54 (exhaust valve guide, 6mm stem, standard size)
- 2009 BMW 335i E92 N54 (exhaust valve guide, 6mm stem, standard size)
- 2010 BMW 335i E92 N55 (exhaust valve guide, 6mm stem, standard size)
- 2011 BMW 335i E92 N55 (exhaust valve guide, 6mm stem, standard size)
- 2012 BMW 335i E92 N55 (exhaust valve guide, 6mm stem, standard size)
- 2013 BMW M3 E92 S55 (exhaust valve guide, 6mm stem, standard size)
- 2014 BMW M3 E92 S55 (exhaust valve guide, 6mm stem, standard size)
- 2015 BMW M3 E92 S55 (exhaust valve guide, 6mm stem, standard size)
- Compatible with 6mm valve stem diameter
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