2003 BMW 745LiFACTORY OEM SERVICE PROCEDURE

Ignition Coil

IGNITION COIL RESISTANCE - Ohms @ 68Β°F (20Β°C)

Primary (1) Secondary
.8 Not Measurable
(1) Specification is approximate. Approximate resistance of Bosch connector is 1k ohms. Approximate resistance of Bremi connector is 1.8k ohms.
Factory Service Tools

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When to See a Mechanic

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

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