1996-1999     E36     M3

The Wisefab BMW F-Series angle kit is compatible with various BMW models

These kits are perfect for various performance-oriented uses

Both end ports are machined with 8AN ORB (3/4-16 female) threads

Cylinder Head O-Ringing Service, 6-Cylinder BMW Engines Series 1 1996-1999 E36 M35150 AutoSport Cylinder Head O Ring Installation Service for 6 Cylinder BMW Engines O ringing an engine cylinder head for high performance, high boost turbo applications provides several mechanical advantages. These advantages primarily focus on improving the engine's sealing capabilities and durability under extreme conditions. Price includes head resurfacing and wash. Key mechanical benefits of O ringing an engine cylinder head: 1. Superior Sealing: