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BMW 3-Series (E90 E92) Forum
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Engine knocking on cold start N47
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| 11-02-2024, 08:44 AM | #1 |
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Engine knocking on cold start N47
Hi guys, I got an e90 n47d20a, since the cold weather started, after not being turned on for more then 12 hours the engine has a knocking sound on start up that lasts for about 5 seconds. Any idea what could it be? Oil taking too long lubricate? Rod knock? Injectors?
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