BMW and Mini EOS Testing
What is EOS (End of Series) Testing?
EOS testing is a critical final stage in the EV repair process, specifically with BMW and MINI high-voltage systems. It ensures that repaired vehicles meet stringent safety, reliability, and performance standards before being returned to customers.
At LKQ Electriq, we carry out comprehensive EOS testing on Generation 3, 4, and 5 BMW and MINI battery packs. This process includes:
- Mechanical durability checks to confirm structural integrity
- Electrical system validation to ensure safe and consistent power delivery
- Functional testing under simulated real-world and extreme conditions
By replicating driving scenarios and stress environments, EOS testing allows us to identify and resolve any remaining issues, giving customers confidence in the quality and longevity of their repair.
Our investment in specialist equipment and technical expertise means we can deliver dealership-level validation with a repair-first mindset, helping reduce costs while maintaining the highest standards of safety.
Repair Work Requiring EOS Testing
EOS testing is essential following high-voltage repairs to ensure vehicle safety, reliability, and performance. At LKQ Electriq, we carry out EOS validation after the following types of work:
- Accident or crash repairs involving high-voltage components
- HV battery testing and fault diagnosis
- High-voltage system repairs, including wiring and connectors
- EME (Electric Machine Electronics) repairs
- Battery cell replacement or module swaps
Each of these repairs can affect critical systems, and EOS testing ensures the vehicle is safe, fault-free, and ready for real-world use.
What is Included in Our EOS Testing?
Our EOS (End of Series) testing process is designed to validate the safety, reliability, and performance of repaired BMW and MINI high-voltage systems. Each vehicle undergoes a series of checks to ensure it meets manufacturer-level standards before being returned to the customer.
Our EOS testing includes:
- Insulation resistance testing
- Verification of HV battery unit tightness
- Preparation and execution of high-voltage system tests
- Signal line integrity checks
- Symmetry analysis of cell module voltages
- Switch contactor function testing
- Voltage admissibility assessment
- Fault memory evaluation and clearing
We carry out EOS testing on Generation 3, 4, and 5 BMW and MINI battery packs using specialist equipment and trained technicians.
For pricing and availability, please get in touch using the button below.
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Cecil Pashley Way
Shoreham-by-Sea
West Sussex
BN43 5FF