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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1382 (Collision - Body Panel Repair (E89)) >> Body Repair General Information >> 41 00... Grinding Aluminum Components

41 00... Grinding Aluminum Components

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

1.0 Recommended tools and equipment 

Grinding work on the outer skin:

Grinding work on the structure (except Z8):

Z 8 Spaceframe structure:

High dust concentration, explosion hazard! 

2.0 Grinding outer skin and structure 

Do not use any abrasives (grinding wheels, paper, etc.) which contain iron (risk of corrosion).

Always replace abrasives which have already been used to treat steel (risk of corrosion).

Use stainless steel wire brushes only (risk of corrosion).

Reduce speed of grinding machines. Excessive speeds cause a smearing effect.

Do not use coarse abrasive grains (only ≥ 80).

Do not grind notches into the material (risk of cracking).

Do not grind the material thin.