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Ducst4's Avatar
 
Join Date: Mar 2006
Posts: 122
gas milage for a 335

Hi,
I purchased a 2009 335 about a month ago.
I then installed the BMW Performance exhaust system.
I noticed that it takes a long time for the car to warm up and the
Gas milage is really bad around 15 l/100Km combined.

I am thinking the oxygen sensor what not installed properly when they
changed the muffler.

Any ideas?


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Ducst4
1989 911 3.2
Old 05-06-2011, 07:19 AM
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Jared at Pelican Parts's Avatar
 
Join Date: Aug 2002
Location: Los Angeles, CA
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Did you install the exhaust or have a shop do it?

Do you know exactly what components were replaced? If they only replaced the muffler, they would not have touched the O2 sensor.

I think you're probably right, if the sensor is messed up, you'd get bad mileage and it would take a while to warm up.
Old 05-06-2011, 08:03 AM
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I had a shop replace the mufflers only

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1989 911 3.2
Old 05-06-2011, 09:11 AM
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