Installation Note 1. This Unit does not have DVD movement and Can not play DVD discs. The name of this unit is DVD playerbut in fact it is full-screen Car unit. Becompatible withe you buy it please know about it. 2. This model does Not have DVD player & SD slot map is preinstalled 3. we don't have install service it is better to ask professional install people to install it. 4. If you don't know how to connect the cable you can contact our customer service. Professionals will be arranged to respond to you. Applicable Models & Years compatible with BMW E46 4-door Sedan (19981999200020012002200320042005) E46 2-door Coupe (19992000200120022003200420052006) E46 2-door Convertible (19992000200120022003200420052006) E46 5-door Touring (1999200020012002200320042005) E46 3-door Hatchback (20002001200220032004) E46 M3 (2000200120022003200420052006) Rover 75 (1999200020012002200320042005) MG ZT (20012002200320042005) Steering Wheel Control (CANBUS Box Provided) The white port on the main power cord is connected to Canbus. Do not insert the RCA port as this will cause the machine to short-circuit (the correct insertion method is shown in the figure) Our machine adopts imported power amplifier chip 7851L Because we have a powerful dsp chipwe support 30 equalizer adjustments which means you have more power to control the soud of various frequencies All products have been passed strict quality test becompatible withe make sure high quality. Please write your full name and correct address with zip code when you order. Please check your original car radio size and appearance becompatible withe make a order bid to avoid mistake. Dear friends we do not include installation instructions but we will assist you with the installation