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2013 x3 timing chain issue
Good day all, I have a 2013 x3 with 112K miles on it. Went into limp mode throwing codes related to cam position, and upon restart when I got home bent all of the intake valves.
The timing chain guide was mostly missing and very brittle, almost like when plastic is left out in the sun. half of it was int he old pan in chunks. The chain tensioner could no longer take up the slack int he chain, and it jumped timing on the intake cam, valves meeting the pistons and bending them.
Well out of warranty, so on my own for repairs I ended up getting a long block out of a 2016 f30 and swapped it out. Its a very sensitive engine.
I was going to fix the original engine, but would have to remove it to get the head and oil pan off. Not worth the effort.
Just sharing my experience.
Mike
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