Upgrade your engine bay with this billet aluminum engine oil filler cap, designed to replace the factory plastic cap commonly found on BMW platforms. The OEM cap is prone to cracking, discoloration, and oil seepage over time. This upgraded cap delivers improved durability, a secure seal, and a refined motorsport-inspired appearance.

Precision CNC-machined from high-grade aluminum, this oil filler cap features an anodized finish for long-term corrosion resistance and a premium feel every time you open the hood.

Key Features

• Billet aluminum construction for long-term durability
• Anodized finish for corrosion and heat resistance
• Integrated rubber O-ring for a tight, leak-free seal
• Knurled grip design for easy installation and removal
• Direct plug-and-play replacement for factory oil caps

Design & Build Quality

• Precision CNC-machined aluminum body
• Secure locking tabs for proper engagement
• Improved sealing compared to aging factory caps
• Adds a clean, performance-focused look to the engine bay

Important Fitment Notes

• Fits vehicles using the factory 2-prong oil cap design
• Does NOT fit aluminum valve covers
• Does NOT fit aftermarket valve covers
• Does NOT fit B58 or S58 engines

Compatible BMW Models

• E30 (1984–1991) – 318i / 318is
• E36 (1992–1999) – 323i / 325i / 328i / M3
• E46 (1999–2005) – 323i / 325i / 328i / 330i
• E90 / E91 / E92 / E93 (2006–2013) – 325i / 328i / 330i / 335d
• E39 (1997–2003) – 525i / 528i / 530i
• E60 / E61 (2004–2010) – 525i / 528i / 530i
• X3 E83 (2004–2010) – 2.5i / 3.0i
• X5 E53 (2000–2006) – 3.0i
• X5 E70 (2007–2013) – 3.0i
• Z3 E36/7 / E36/8 (1996–2002)
• Z4 E85 / E86 (2003–2008)

Replaces Factory Part Numbers

• 11127509328
• 11121405452
• 11121743294
• 11128655331
• 11127500568
• 11127560482

What’s Included

• 1x Billet Aluminum Engine Oil Filler Cap

This oil filler cap is the perfect finishing touch for enthusiasts looking to refresh aging components, prevent oil leaks, and add a subtle performance aesthetic to their BMW engine bay.