EVIDENCE CLASSIFICATION
Each record carries exactly one status. The grade describes the strength of the documentation — not how serious the failure was, and not whether the owner is believed. Levels are never combined in public totals without labeling.
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CLASSIFICATION PRINCIPLES
Driver-side-cold / passenger-side-warm airflow is a common evaporator symptom — and also a symptom of condenser leaks, compressor faults, service-port leaks, line leaks, and blend-door failures. An entry is classified by what the diagnostic paperwork shows, never by vent temperatures alone.
The Registry collects warranty-paid, goodwill-paid, and owner-paid results alike, including cases resolved entirely by BMW. A registry that only recorded bad outcomes could not demonstrate a pattern — or its absence.
Records state what documents show, in their own terms. A pending goodwill review is reported as pending — never as a denial. The Registry's strongest permissible claim: verified submissions raise questions about whether premature HVAC evaporator failures may recur within certain models or production periods. It has not established a manufacturer-wide failure rate or common engineering cause.
This Registry concerns the air-conditioning (HVAC) evaporator core behind the dashboard — not the emissions-system "EVAP" component. Where a source document says "EVAP," the Registry records the exact wording and which system was actually meant.
WHAT A SUBMISSION COLLECTS
The 14-step intake collects five groups of facts, so a complete case arrives structured rather than as a free-text complaint.
VERIFICATION & ABUSE CONTROLS
A public registry is only as credible as its resistance to junk data. Before anything reaches the public table:
