
Before buying this item, I read reviews of Dorman window regulators (in general). I've read some who have found that Dorman has improved their quality and manufacturing process. When I received the product, I removed my old BMW ESC and compared it before installing it. I was pleasantly surprised that the quality was very similar. I removed the motor from the previous assembly and attached it to the new slider/pulley assembly. It's only been a few months, but it's working as expected.

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