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HOMESERVICE MANUALSBMW2009323I STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 997 (COLLISION - BODY PANEL REPAIR (E92 & E93) COUPE & CONVERTIBLE)BODY PANEL REPAIR GENERAL INFORMATION41 00... INFORMATION ON HAZARDS
2009 BMW 323i Standard

41 00... Information On Hazards

2009 BMW 323i StandardSECTION 41 00... Information On Hazards
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

1.0 Aluminum 

HAZARDS INFORMATION

Hazards / effects Measures / regulations
Repair stage 1:
(replacement of bolted parts, dent removal)
Repair stage 2:
(structural repairs with bonding and riveting)
  • When a vehicle outer shell is ground, aluminum dust accumulates in small amounts. This dust can be removed with conventional extractor systems.
Repair stage 3:
(structural repairs with welding)
  • Explosion hazard due to high concentration of fine aluminum dust.

    Arising e.g. during straight-through grinding of coated parts in the base material and large-surface grinding of bright-finish parts.

  • Explosion hazard due to swirling up of fine aluminum dust in cavities.

    Created by the necessary, thorough cleaning of machining surfaces and tools before and after machining aluminum.
  • Avoid high concentration of fine aluminum dust by means of continuous extraction.
  • Use explosion-proof extractor systems.
  • Do not use compressed air when cleaning the work bay.
  • Avoid swirling up dust when cleaning the work area.
  • Spontaneous combustion of fine aluminum dust when ignition and fire sources are drawn in.

    E.g.: hot splinters, grinding sparks, cigarettes etc.
  • Do not operate ignition and fire sources in the intake area of extractor systems.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.