- I assume you have more than 200K miles.
- Find out EXACTLY what brand you have in the car. Look closely and you will see it.
- I did the AC Compressor for my 1998 528i and posted it here. This will give you an idea of what is involved. It is not too bad if you follow the procedures. Get new O-rings from dealer...
DIY: 1998 BMW 528i 160K Replacing AC Compressor
DIY: 1998 BMW 528i 160K Replacing AC Compressor - Bimmerfest - BMW Forums