Stellar"s new BMW45 keyless entry unit wires easily and reliably into your 1975-1991 BMW, Why pay over $300 for a factory alarm when all you want to do is simply lock and unlock your BMW by remote? Stellar"s BMW45 offers all of the performance and reliability of a factory keyless entry system and more at a fraction of the cost, Additionally the BMW 45 allows you to add flashing parking-light confirmation, This will assure you that your BMW has been securely locked, Stellar"s BMW45 allows you remotely lock and unlock your doors at a fraction of the factory price and for added convenience the accessory button on your BMW45 will work in conjunction with other BMW compatible accessories for remote operation of features like power trunk remote start or power windows/convertible top, Remote Keyless Entry, Extra Accessory Output, Microprocessor Controlled, Add Parking Light Or Starter Kill With One Relay, Made In The USA, Limited Lifetime Warranty, SKU: DSD446140