BMW-45-CSV717-PV4-REMAN

CALSONIC mass produces variable displacement compressors with an external control system that offers significant improvement in fuel efficiency.  

http://www.compressor-express.com/ac-compressor/bmw/BMW-45-CSV717-PV4-REMAN

Some BMW X5 E53 SAV are built with the same air conditioning compressor. The Original Equipment Manufacturer Numbers (OEM numbers) are BMW 64526918000, BMW 64526918000-03. 

The air-conditioning system of these vehicles was assembled with a Calsonic CSV717 compressor, compressor manufacturer numbers: Calsonic 5C900-45010, Calsonic 5C902-45010. These ac compressors seems to be interchangeable.

BMW-20-7SEU17C-PV4

DENSO is promoting technological development primarily focused on the environment and safety.

http://www.compressor-express.com/ac-compressor/bmw/BMW-20-7SEU17C-PV4

Some BMW 5 series E60 Sedan, BMW 5 series E61 Touring, BMW 7 series E65 Sedan and BMW 7 series E66 Sedan are built with the same air conditioning compressor. The Original Equipment Manufacturer Numbers (OEM numbers) are BMW 64506983098, BMW 64509174802, BMW 64526901783, BMW 64526917859, BMW 64526917859-02, BMW 64526917859-03, BMW 64526917859-04, BMW 64526917859-05, BMW 64526983098-03.

The air-conditioning system of these vehicles was assembled with a Denso 7SEU17C compressor, compressor manufacturer numbers: Denso 447180-6760, Denso 447180-6761, Denso 447180-6762, Denso 447180-6763, Denso 447180-6764, Denso 447180-6765, Denso 447180-6766, Denso 447180-6767, Denso 447180-6768, Denso 447180-6769, Denso 447190-7210, Denso 447190-7760. These ac compressors seems to be interchangeable.