My guess Jeff & it's justa guess would be vanos solenoids. I think if it was the timing chain jumping a tooth it would never run right. Call Best they may have the work suggested on her last service there enshrined on their puters hard drive.
N12 engines can have timing chains go bad, but it doesn't happen often. Those solenoids have been replaced on Babs clubster.
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Thanks Chuck,
That was a great idea. I called BEST and they did still have it in the system.
The basic news is that a slack test was performed and it came out at 68.5mm. Also, the exhaust vanos had an issue.
Best recommended further inspection to see if the timing was out, replace the tensioner and the chain, and to replace both vanos and the hook ring seals. (Note: These items were not checked because the known costs were already too much for her to continue with the repair).
At this point I am not going to advise her family to pay up one more time and will just sell it as-is.
I do believe that this car would be a great project for someone as it is in really good shape otherwise.Attached Files:
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