power assist

Hello everyone, I'm new to the site forgive me if I posted twice - A year ago I went and got 4 new lines crimped for my power steering in my 1990 325i 4 door coupe and dropped the front end of my car to replace the oil pan gasket ( found it in my oil pump filter btw) anyhow, recently I put it...

Hello everyone - I am new here- A year ago I got new hoses crimped for my power steering - four lines in total - I just tried hooking everything up but I have some serious issues. when I try to turn the steering wheel it viciously has a mind of its own. so what I am wondering is did I hook up...

My 2001 740il had the trunk struts replaced several months ago, yet when I pop it using the remote key command, it pops and then closes. Is there too much weight being applied because of the tools in the lid?

I have some very,very basic questions since I don't know very much about the internal workings of cars. I'm hoping to learn. 1) what does the vacuum pump do? 2) what is the relationship betweent the vacuum pump and the brake booster line? Would appreciate your time and help.

The only way to open my trunk is with the key. The inside release, key button and power assist do not work. I have replaced the"trunk lid" fuse which was blown, still nothing. Two days ago my alternator was replaced. When I left it at the shop the trunk opened with the key and inside button...