3. Opening Laser Weld Seams

WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Laser weld seams are used in the roof outer skin area.

Procedure:
Roughly cut roof outer skin in the roof channel to improve accessibility.

Place angle grinder with grinding disc on laser weld seam and grind through top metal sheet. Be careful not to cut through and damage sheet metal underneath.

Remove sheet metal flange.