To be honest the seller didn't say it was suitable for 2021. I took a chance and moved away from other reviewers who said it matched their M3. Doesn't fit exactly. The front mats do not stick to the side walls. They have a small gap on the sides. The rear mat does not reach the seat rails, leaving the carpet exposed. Rating 3 because they are good enough and definitely better than nothing but NOT perfect for the 2021 model 3.
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