34 00... General Information: General

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.

Ensure cleanliness and only use fluff-free cleaning cloths.
Wash away or vacuum up brake dust, do not clear it away using compressed air. This dust is a health hazard.
Do not under any circumstances allow any oil or grease to get into the brake system.

This would result in a complete malfunction of the brake system.

When cleaning brake components with brake cleaner, do not allow brake cleaner to get into in the brake system.
Even the most minute traces of brake cleaner must be avoided.