10-27-2023, 02:37 AM | #1 |
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B47 418d shake / vibrate on start
Hello, my 2018 418d with B47 engine (33000miles only), shakes and vibrates (I feel it inside the car) for 5 seconds or less on first morning start (18° C temperature outside), the idle fluctuate a little then stabilise when the vibration stops. The car act normally then... Any ideas? And what about putting non LL04 oil? I have 5W30 C3 but doesn't mention LL04, will it suit my car?
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12-21-2023, 04:34 PM | #2 |
Pasha Dastmalchi
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Drives: 2019 M240i Coupe 8 Spd Auto
Join Date: May 2019
Location: Laguna Beach, California
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I also felt that this morning (cold start) on my 2015 328d. It came in waves of short 3-5 second intervals where I could feel my butt shaking a bit in my seat. Curious to know what it is.
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Owned: 2019 Alpine White M240i Coupe | VRSF Catless DP | AP Intake | BM3 Stage 2 (Blown at 21k miles)
Own: 2015 Black Saphire Metallic 328d Touring M-Sport |
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12-22-2023, 04:02 AM | #3 |
Captain
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I would have a guess that you may have a few glow plugs developing a fault - have a look for fault codes as you may have some errors that may indicate the problem better.
Glow plugs pre-heat the diesel before the compression stroke ignites it. If the diesel is too cold, the ignition of the fuel will feel rough. |
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