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HOMESERVICE MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2056 (COLLISION - BODY PANEL REPAIR (F01, F02))BODY REPAIR GENERAL INFORMATION41 00... INSTALLING A CAVITY SEALING WITH 2-COMPONENT PU CAVITY FOAMPROCESSING INSTRUCTIONS
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans

Processing instructions

2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION Processing instructions
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
  • Observe the expiry date on the cartridge.

    Do not use the spray can after the expiry date on the can has expired. After the Use by date the properties of the cavity foam will no longer meet the requirements of the BMW Group.

  • Cavity sealing of repair area possible after an air drying time of 1 hour.
  • Backing surface must be clean and free from dust, grease, oil and stripping agent.
  • Application temperature at least 15 °C. Optimally 20 °C.
  • IMPORTANT: Foam expands many times over as it sets (change in volume).
  • Before applying to the vehicle, fill a clearly visible cavity of corresponding size with foam on a used part.

    This enables an optimal dosage (i.e. spraying time) to be specified for filling the cavity on the vehicle with foam.

  • Tape off open passages to visible areas with adhesive tape to prevent foam from escaping.
  • Setting takes approx. 30 minutes. Mechanical processing (e.g. drilling, cutting, etc.) is then possible.
  • Cavity sealing of repair area possible after an air drying time of 1 hour.
  • Remove fresh, non-hardened PU foam with adhesive cleaner 208.

    Sourcing reference: BMW Parts Department.

    Hardened PU foam can only be removed by mechanical means (machine).

  • Excess, hardened PU foam can be disposed of as residual waste.

    Cans which are not entirely empty and unused whose expiry date has expired are classed as hazardous waste.

    Observe country-specific waste disposal regulations.

  • Observe the manufacturer's processing instructions (printed on the can).
RENDER: 1.0x

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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.