We are looking at ordering brake pads, however we would appreciate if you can send some samples for trial as the quality is the main drive of our business.The samples required have the following serial number:- D969 for Nissan Murano - D681 for BMW X5 The brake pads should have the following characteristics:- Brake pads should not overheat- Brake pads should not not have a burning smell when newly installed- Brake pads should not produce any noise - Brake pads should have a respectable lifespan Please get back to me if you need any more details.