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BMW 3-Series (E90 E92) Forum
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rod knock vs vanos?
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01-08-2019, 10:13 PM | #1 |
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rod knock vs vanos?
Hello!
Just wanted to run this by the forum as I don't have much experience with BMWs. I have a high mileage 160K 06 BMW 330xi, stock. I was warming it up this week, it idled in my driveway for about 3 minutes when it developed a knocking sound, it was shut down when I heard it. No CEL. Does not sound like valve slapping. Idles perfect. I initially thought it may have thrown a rod bearing. However a friend of mine suggested it could be a vanos failure. The engine was idling perfectly and not surging. It's a older car and a connecting rod failure would determine how much I commit to repairing. Can a vanos failure create a knock similar to what you would find with a spun rod? Thanks for any input. |
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