Manufacturer: SMARTLINER. Manufacturer: SMARTLINER. Model: SMARTLINER All Weather Custom Fit Floor Mats 2nd Row Liner Black for 2018-2022 BMW X3 / 2019-2022 BMW X4. Auto Part Position: Rear. EASY TO CLEAN - These mats are easy to clean by hosing off or spot-cleaning with a damp cloth using soap and water.
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