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X3 F25 (2011 - 2017)
The second generation X3 added style and new features to the BMW's mid-sized SUV. Talk about the BMW F25 X3 with other X3 owners now!

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Old 12-15-2012, 05:42 PM
c3uo c3uo is online now
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Location: Canada
Join Date: Jul 2006
Posts: 82
Mein Auto: Audi
X3 35i - Exhaust Drone??

I have had my 2011 X3 35i for about 3000 miles now. It was CPO and has 20,000 miles. I am very happy with it except for the following annoyance: Exhaust Noise!

On cold start (at -15 C or ~20 F) it is VERY loud until the RPMs drop down to idle. I keep it in a garage and my neighbours have commented how loud it is. This goes away at idle and at least covers up the wastegate rattle which also happens at start-up for the first 30 seconds or so.

On the highway at 60 MPH I find the drone highly annoying. I actually slow down to stop it. My snow tires are quieter then the 19" M-Sport summers so it seems even more noticeable now. Whenever I go off the gas it's like Ahhh - no drone.

Is this normal? I have no local dealer. I want to rip off the exhaust and put one on from a 3 series. My old 3 was much quieter. I can't hear the sweet inline 6 over the obnoxious exhaust. Is it just me?

Any thoughts? Any aftermarket options?

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