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Old 09-07-2012, 08:43 AM   #1
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Join Date: Aug 2012
Location: Australia
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My Ride: 330i
Poor fuel consumption

Hi all, just got my car recently, did the VCG, spark plugs, Vanos seals and gasket, fuel filter and feel like there is a bit more torque below 3000 rpm so that's a bonus.

However, my fuel consumption sucks: getting 14.5 L per 100 km (16mpg) on full urban cycle. Also, it feels like the car rolls pretty poorly after accelerating to 60km/h and letting off the gas pedal.

I had a burn oil smell before doing the gaskets and seals, and most of it is gone, but some is lingering around. Also, ever since the rubbers were replaced my orange oil light comes on, so oil went somewhere....but no signs on the driveway.

Any ideas?

Car is a 2004 330i.

Last edited by Vas87; 09-07-2012 at 08:45 AM.
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Old 09-07-2012, 08:53 AM   #2
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Have you done the air filter, O2 sensors, cleaned the MAF and ICV?

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Old 09-07-2012, 09:53 AM   #3
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Yes to the air filter, not the other 3.
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Old 09-07-2012, 09:54 AM   #4
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check brakes. maybe they are dragging.
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Old 09-07-2012, 10:46 AM   #5
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Replace ccv
That is a black hole that sucks in oil that must be contained.
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