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1,6,7,8 - Series and Mini Cooper General Chat related to models that do not fit into particular categories above. Please try to put your discussion in more appropriate sections. This section does cover the 1 Series, MINI Cooper and 8-Series vehicles: BMW 830i, BMW 840Ci, BMW 850i, BMW 850Ci, BMW 850CSi, M8, Alpina B12, BMW CS Concept and others.

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Old 12-25-2009, 03:41 PM   #1 (permalink)
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Hesitation at Low Speeds

750 LI with about 31k miles. Only had car four months. I have noticed a hesitation around the 35 to 45 mile per hour range when taking foot off gas, for example, when coasting down a slight hill or coming to a traffic light stop. Also, the rpm dips to below 500 intermittently causing the car to shudder a little. Couple of questions. What is the normal idle rpm and is the hesitation normal. Thanks
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Old 12-26-2009, 06:23 AM   #2 (permalink)
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Normal RPM in D is around the 500 mark, with A/C on 700, the hesitation is not normal, you havent specified your model ie: e32, e38, e65/66, F01 ??
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Old 12-26-2009, 11:29 AM   #3 (permalink)
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It's a 2006 model. I'll have the BMW Service rep take a ride with me. Thanks for the info. Whatever is causing the hesitation is most likely contributing to the occasional dip below 500 rpm.
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Old 01-11-2010, 09:00 PM   #4 (permalink)
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Re the hesitation I discussed above, the culprits were the transmission and the induction system. The computer was updated and reprogrammed for the transmission and the induction system needs to be flushed. I haven't had the induction flush yet as I am trying to get an answer as to why this is not a maintenance-related service, which would be covered under BMW's 4 Year/50k miles warranty.
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Old 02-02-2010, 11:02 PM   #5 (permalink)
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Hello, you may want to check and replace the Booths on the ignition coil packs. Its an easy fix
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