BMW 525I 2005 MSV80 ignition Coil Fault

BMW 525i 2005 MSV80 ECU Repair – Ignition Coil Driver Fault

Service :
This is a repair service for the MSV80 Engine ECU found in the 2005 BMW 525i, specifically targeting ignition coil output driver faults. These units are prone to internal failure, causing misfires, coil circuit errors, or no spark on one or more cylinders.

Common Symptoms We Repair:

Misfire on specific cylinders

No signal to ignition coil(s)

Diagnostic fault codes for coil circuit open/short

Rough idle or engine not starting

Failed or burned coil driver components

Our Repair Process Includes:
✔ Component-level repair of failed driver transistors
✔ ECU cleaned, inspected, and reassembled