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Roaring engine intake sound when in low speed
Hi all! Recently I found that my X' engine had roaring sound when driving at low speed around 30Km/h or below sometimes. It only happens when the speed is low and in 1st gear and 2nd gear, like driving in car park or start off at green light. The sound turns normal after the speed climbs above 30Km/h. I can hear the roaring sound when I am in the car and close all the windows with A/C on. The sound just seems like diesel car does.
I also noticed that the engine RPM was normal (around 1000 to 2000 RPM) when the roaring sound appears and everything is normal, no power lose or decrease. The gearbox runs also normal. The problem is ony the sound.
Just want to know anyone here has the same experience and what is going wrong with my X? Thanks for help!!!
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--2004 E53 X5 4.8is - ECE version; right hand drive; Located in Hong Kong; ext. black sapphire metallic; int. leather black; adaptive dynamic bi-xenon headlights; 16:9 onboard monitor w/o navigation; 20" genuine BMW Y-spoke 214 wheels with Bridgestone Dueler H/P Sport tires; Int. rear view mirror w/ compass.
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06-04-2008, 06:21 AM
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