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Home >> BMW >> 2011 >> 335i 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Collision - Body Panel Repair (E90)) >> Body Panel Repair General Information >> 41 00... Grinding Aluminium Components >> 2.0 Grinding Outer Skin And Structure

2.0 Grinding Outer Skin And Structure

WARNING: This page is about a different variant/trim than selected.

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.