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Service manager states its increasingly common to see stretched timing chains on the V8's, which leads to improper timing, which leads to poor fuel economy. Very disturbing to see my engine apart with only 30k miles.
Walked by four other cars (one 7, two X5's and one X6) that supposedly have the same problem and are in line ahead of my car waiting for repairs; there were another 2 'blown' engines on the ground in another area; so many engines out!?
Didn't get a straight answer why my injectors and plugs were replaced two weeks ago if this is the true culprit... :|
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