Removal & Installation

WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

(valve removed)

NOTE: In event of excessive clearance between valve stem and valve guide:

Valve guide is reamed and a repair valve with a larger stem diameter is installed.

Fig 1: Assembling Reaming Tool And Guide Taper

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble reaming tool and guide taper (1) from special tool kit 00 4 210 depending on stem diameter. Press guide taper (1) onto valve seat. Starting from combustion chamber side, ream valve guide dry. Rotate reaming tool once in downwards direction.

NOTE: Remachine valve seat after reaming.