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trunk hydraulic fluid
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  1. E39 (1997 - 2003)
    Dear All, I bought a BMW 540i Touring recently, this car came with a hydraulic trunk (hydraulic open and closed via the key) Now the problem is that the hydraulic system was empty for a long time. When I opened the trunk i heared the hydro pump buzzing. Now I've filled up the system with...
  2. 7 Series - E65 / E66 (2002 - 2008)
    I researched the forum and can't find the name of the hydraulic fluid to use for the trunk closer.. Some say just use ATF.. Can I use the hydraulic fluid that is used in the front hydraulics on my 750?
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