Timing chain gasket

2002 BMW 745
189,934 MILES • 4.4L • RWD • AUTOMATIC
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REARDRIVE
  • MEMBER
  • 93 POSTS
I'm changing the valve cover gasket do I need to change the upper timing chain gasket too, to prevent a leak
Mar 23, 2016 at 1:19 AM
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DOCHAGERTY
  • ✓Experienced Mechanic
  • 9,606 POSTS
yes
Mar 25, 2016 at 3:57 AM
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DOCHAGERTY
  • ✓Experienced Mechanic
  • 9,606 POSTS
Be aware that this work is possibly going to be something that veteran BMW techs have issues with due to the nature of the complex systems involved.
Mar 25, 2016 at 4:02 AM
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