OEM Part Numbers: 51217202143 51217059967 51217167071 51217154619 51217202149 51217036167 51217154619 51217154621 51217167065. Fittings: 1 series, 3 series, 4 series, 5 series, 7 series, x1, x3, x5, x6. Note: The mounting hole of this lock has no thread, which does not affect installation and use. Please check the picture carefully before purchasing, thank you. Guarantee: Professional manufacturing, high precision and durability. Ensure you can drive safely and smoothly. Kindly Reminder: Please make sure the OE number matches the part you are replacing, if you are not sure, please feel free to contact us at any time.