Car Tool Factory Co., ltd is a professional auto tool manufacturer specializing in auto diagonostic & maintaining tools, Integrating production with sales & services. We supply all our customers with top quality tools with factory price.As direct factory of BMW GT1, OPS and MB STAR, we can offer customer with the best factory price & good factory service. Good after sale service: Free update during one year since the product arrival; Free repair and maintenance service in one year Free technical support by internet or phone. Our promise : We assure you our products are of good quality, both cables and multiplexer. If the product we send you is proven to be inferior or unworkable, we would like to change another one for you! Pls contact: Cathy Skype:cathy-cartoolfty MSN(cathy-cartoolfty)