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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 295 (ENGINE ELECTRICAL SYSTEM - REPAIR INSTRUCTIONS)IGNITION COIL12 13 009 CHECKING IGNITION COILS (SECONDARY COIL)NOTES
2013 Mini Cooper Countryman, Standard Trans

12 13 009 Checking ignition coils (secondary coil): Notes

2013 Mini Cooper Countryman, Standard TransSECTION Notes
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

  • 12 7 040
  • 12 7 041
  • 12 7 042
  • 12 7 043
  • 12 7 045
  • 12 7 046
  • 12 7 050

Carry out secondary voltage check using test adapter 12 7 040.

IMPORTANT: Observe safety precautions:
  • Information on working on ignition system, refer to Working On Ignition System 
  • Turn off ignition
  • Instructions on component testing, refer to Component Inspection 
  • Breakerless ignition distribution
    1. Engine must never be started after disconnection of the secondary circuit, i.e. disconnection of connectors on spark plugs and earth connection (terminal 4a).
    2. There is dangerous high tension in or on, ignition leads, spark-plug connectors, spark plugs and ignition coil terminal 4
      CAUTION: approx. 40 kV high tension
    3. terminal 1 wire from ignition coil to DME control unit
      CAUTION: approx. 350 V high tension at terminal 1
    4. Battery as well as wires on alternator and starter may not be disconnected on a running engine.
  • Working instructions for ignition system, DME (digital motor electronics) and engine electrics, refer to 12 00... Working instructions for ignition system, DME (digital motor electronics) and engine electrics 

Switch off ignition.

NOTE: The following checks can be carried out with the adapter kit:
  • Secondary voltage check
  • Comparison between ignition coils from different manufacturers
  • Ignition coil faults
  • Spark plug faults
  • Injection system faults
    Fig 1: Identifying Adapter Kit
    G03190991Courtesy of BMW OF NORTH AMERICA, INC.

Connect special tool 12 7 043 (connecting cable) to special tool 12 7 041 (single adapter).

Fig 2: Identifying Special Tool
G03190992Courtesy of BMW OF NORTH AMERICA, INC.
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.