Question about 2003 Mini Cooper

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I have a 2003 mini cooper s, manual transmission. I drove it four miles on a gravel road last week. Ever since, I hear a sound like a rock rattling around whenever I go above 50mph. It is very loud and over powers the sound of the radio. It sounds like it is coming from the engine closest to the driver. The car does not lose power, the noise is not affected by RPMs, fluid levels are fine. What could it be - just a rock?

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Posted on Jan 02, 2017

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SOURCE: CVT transmission fluid mini cooper 04 automatic

The manual has a mis print, according to MINI the correct oil to use is ESSO CVT Z2L 799 fluid and there are no other manufacturers that use it so sorry but you will have to buy it from the main dealer.

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SOURCE: 2001 mini cooper very loud whirring sound when i

Yup you are most likely correct, why not check it ????

Posted on Aug 16, 2009

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SOURCE: 2006 Mini Cooper won't start.

Did you get an answer to this? My 2004 mini cooper did the EXACT same thing this past Saturday July 18th 2010

Posted on Jul 20, 2010

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1 Answer

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More likely you have picked up some road gravel or a rock large enough to rattle. Visually inspect the Catalytic Converter to see if there is a rock bouncing around in it. If not then a replacement would be necessary since there would be nothing to tighten up.

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