{
    "style": "721M",
    "name": "BMW OEM Wheel Style 721M",
    "url": "https://bmwoemwheelstyles.com/bmw-oem-wheel-style-721/",
    "json_url": "https://bmwoemwheelstyles.com/data/wheels/bmw-oem-wheel-style-721.json",
    "methodology_url": "https://bmwoemwheelstyles.com/data/",
    "wheel_sizes": [
        "8J × 20\""
    ],
    "offsets": [
        "ET 50"
    ],
    "bolt_patterns": [
        "5×112"
    ],
    "part_numbers": [
        "36108064569"
    ],
    "tire_sizes": [
        "225/40R20"
    ],
    "chassis": [
        "F39",
        "F48"
    ],
    "canonical_configurations": [
        {
            "width_j": 8,
            "diameter_in": 20,
            "offset_mm": 50,
            "bolt_pattern": "5×112",
            "center_bore_mm": null,
            "weight_kg": null,
            "part_number": "36108064569",
            "axle": "",
            "chassis": "",
            "finish": "Bicolour Cerium Grey",
            "row_status": "deterministic-single-record",
            "tire_size": "225/40R20",
            "tire_width_mm": 225,
            "tire_profile": 40,
            "tire_diameter_in": 20
        }
    ],
    "date_modified": "2026-07-21T19:40:16+00:00",
    "summary": "Style 721M is a documented BMW original-equipment wheel in this library. Documented diameters include 20-inch. Recorded sizes include 8J × 20\" ET50. Documented bolt pattern: 5×112. Documented chassis associations include F39 and F48.",
    "citation_note": "Cite documented fields only. Blank fields are unknown, not typical values. BMW Wheel Library is an independent enthusiast reference and is not affiliated with BMW AG."
}