Radium Vented Fill Neck Cap Only BMW-E46 M3-2006 This professional-grade gauge features a

This professional-grade gauge features a silicone-filled dial with acrylic lens

The kit secures to the OEM power steering reservoir mount with no cutting or drilling required

there is no universal size compatibility guide — refer to the product images for retainer dimensions to confirm compatibility with your specific fuel lines before ordering

Compatible with fuel system components

Available in 8 size combinations across 6AN

Radium Vented Fill Neck Cap Only BMW-E46 M3-2006 This professional-grade gauge features aReplacement vented fill neck cap engineered by Radium Engineering for fuel filling systems. This professional grade cap provides a secure, leak free seal for fuel fill necks while allowing proper venting, complete with FKM Viton O ring for reliable sealing. Compatibility Compatible with Radium Engineering 20 0197 V Key Features Vented design for proper fuel tank venting FKM Viton O ring included Secure, leak free seal Professional grade motorsport