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Q: Timing chain guides on 1999 BMW 740iL

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
My 1999 740il has failed timing chain guides. Do I need to replace the timing chain at the same time ? Also was wondering if I can do without disassembling engine that far ? any other warnings would be greatly appreciated.
(1) Answer
If the guides are worn, and they're being replaced, then you'll have the front of the engine apart and you might as well rplace the chain too.
If you are going to even think about performing this repair, get a high quality repair manual, try these: http://bit.ly/Bentley_Repair_Manuals
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