{
    "style": "181",
    "name": "BMW OEM Wheel Style 181",
    "url": "https://bmwoemwheelstyles.com/bmw-oem-wheel-style-181/",
    "json_url": "https://bmwoemwheelstyles.com/data/wheels/bmw-oem-wheel-style-181.json",
    "methodology_url": "https://bmwoemwheelstyles.com/data/",
    "wheel_sizes": [
        "7.5J × 18\"",
        "8J × 18\""
    ],
    "offsets": [
        "ET 47",
        "ET 49"
    ],
    "bolt_patterns": [
        "5×120"
    ],
    "part_numbers": [
        "36116768564",
        "36116775631",
        "36116768565"
    ],
    "tire_sizes": [
        "205/45R18",
        "225/45R18"
    ],
    "chassis": [
        "E87",
        "E81",
        "E82",
        "E88",
        "E53",
        "E70",
        "E71",
        "E72"
    ],
    "canonical_configurations": [
        {
            "width_j": 7.5,
            "diameter_in": 18,
            "offset_mm": 47,
            "bolt_pattern": "5×120",
            "center_bore_mm": null,
            "weight_kg": null,
            "part_number": "36116768564",
            "axle": "Front",
            "chassis": "E87",
            "finish": "Silver",
            "row_status": "documented-spec-row",
            "tire_size": "205/45R18",
            "tire_width_mm": 205,
            "tire_profile": 45,
            "tire_diameter_in": 18
        },
        {
            "width_j": 8,
            "diameter_in": 18,
            "offset_mm": 49,
            "bolt_pattern": "5×120",
            "center_bore_mm": null,
            "weight_kg": null,
            "part_number": "36116775631",
            "axle": "Rear",
            "chassis": "E87",
            "finish": "Silver",
            "row_status": "documented-spec-row",
            "tire_size": "225/45R18",
            "tire_width_mm": 225,
            "tire_profile": 45,
            "tire_diameter_in": 18
        },
        {
            "width_j": 8,
            "diameter_in": 18,
            "offset_mm": 49,
            "bolt_pattern": "5×120",
            "center_bore_mm": null,
            "weight_kg": null,
            "part_number": "36116768565",
            "axle": "Rear",
            "chassis": "E87",
            "finish": "Silver",
            "row_status": "documented-spec-row",
            "tire_size": "225/45R18",
            "tire_width_mm": 225,
            "tire_profile": 45,
            "tire_diameter_in": 18
        }
    ],
    "date_modified": "2026-07-26T12:13:56+00:00",
    "summary": "Style 181 is a documented BMW original-equipment wheel in this library. Documented diameters include 18-inch. Recorded sizes include 7.5J × 18\" ET47 and 8J × 18\" ET49. Documented bolt pattern: 5×120. Documented chassis associations include E87, E81, E82, E88, E53, E70, E71, and E72.",
    "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."
}