how do you ck auto trans fluid on a 2005 525i thanks
You can check it via the fill plug on the side of the transmission case accessible from underneath the vehicle. Follow the proper procedure in checking and filling the fluid, as it has to be supported properly, level, and trans warm.
Search BMW 5 Series Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
BMW 5 Series Experts