{
    "style": "918M",
    "name": "BMW OEM Wheel Style 918M",
    "url": "https://bmwoemwheelstyles.com/bmw-oem-wheel-style-918m/",
    "json_url": "https://bmwoemwheelstyles.com/data/wheels/bmw-oem-wheel-style-918m.json",
    "methodology_url": "https://bmwoemwheelstyles.com/data/",
    "wheel_sizes": [
        "9.5J × 21\"",
        "10.5J × 21\""
    ],
    "offsets": [
        "ET 19",
        "ET 42"
    ],
    "bolt_patterns": [
        "5×120"
    ],
    "part_numbers": [
        "36111543958",
        "36111543986"
    ],
    "tire_sizes": [
        "275/45R21",
        "315/40R21"
    ],
    "chassis": [
        "G09"
    ],
    "canonical_configurations": [
        {
            "width_j": 9.5,
            "diameter_in": 21,
            "offset_mm": 19,
            "bolt_pattern": "5×120",
            "center_bore_mm": null,
            "weight_kg": null,
            "part_number": "36111543958",
            "axle": "Front",
            "chassis": "G09",
            "finish": "Lightning Grey",
            "row_status": "structured-paired",
            "tire_size": "275/45R21",
            "tire_width_mm": 275,
            "tire_profile": 45,
            "tire_diameter_in": 21
        },
        {
            "width_j": 10.5,
            "diameter_in": 21,
            "offset_mm": 42,
            "bolt_pattern": "5×120",
            "center_bore_mm": null,
            "weight_kg": null,
            "part_number": "36111543986",
            "axle": "Rear",
            "chassis": "G09",
            "finish": "Lightning Grey",
            "row_status": "structured-paired",
            "tire_size": "315/40R21",
            "tire_width_mm": 315,
            "tire_profile": 40,
            "tire_diameter_in": 21
        }
    ],
    "date_modified": "2026-07-26T12:14:26+00:00",
    "summary": "Style 918M is a documented BMW original-equipment wheel in this library. Documented diameters include 21-inch. Recorded sizes include 9.5J × 21\" ET19 and 10.5J × 21\" ET42. Documented bolt pattern: 5×120. Documented chassis associations include G09.",
    "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."
}