How to Clear Crash Data & Validate BMW SME (Fix 21F37E Error)

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How to Clear Crash Data & Validate BMW SME (Fix 21F37E Error) - How to Fix the 21F37E "Impact Detection" Error and Bring Your HV Battery Back to Life.

The Expert Guide to Clearing Crash Data and Re-Validating BMW SME Modules.

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This is an advanced, expert-level guide that details the complete process for clearing "crash data" from a BMW High-Voltage Battery Management unit (SME / HVS_01) and re-validating it for use. This procedure is necessary after a vehicle has been in an accident, which typically logs the permanent fault code 21F37E.

The Problem: "Crash Data" Lock...

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