How old are your engine belts could it be there is slack?
Several years back when I was new to BMW I could sware the normal steering was far too heavy... I changed out, lubed up the steering shaft u joint even eventually changed out the steering fluid to this lubegard good stuff...totally. I still was not satisfied! The e83 wasn't equipped with having the power steering electrical assist unit.
So once I'm in the hwy, traffic going at a decent clip while in the rain (I always travel with a 2 car length cushion in conditions like this)
Traffic comes to a fast halt!
I use up my cushion and have to swerve! My physical strength turning that suddenly was too much because I expected a heavy steering wheel.
But not so...the steering had compensated for my over reaction and I noticed the steering was firm but yet smooth and lighter. I just missed the car ahead of me and I ran into the shrubbery median.
Later I read up on the BMW steering.
Come to find out this is normal for BMW.
Talk about the "Ultimate Driving Machine!"
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