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2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) Local Forums UK 330i exhaust

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      12-09-2019, 03:06 PM   #1
JohnBarny
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330i exhaust

So BMW have changed the map on the 330i’s recently, I had a loaner (build date March) and it burbled quite abit in sport plus. I got my 330i last month and it only burbles on start up, I thought maybe it was just the loaner but I then met up with a colleague who has a July build 330i and that burbles the same as my loaner.

So it looks like bmw did a stealth tweak to them towards the end of the year.
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      12-09-2019, 04:10 PM   #2
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Exhausts do get louder with time though so might be ok in a few miles. The 340 definitely got louder with time and miles.
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      12-09-2019, 04:44 PM   #3
JohnBarny
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I thought this aswell but I’m 3,000 miles in now
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      12-10-2019, 12:26 PM   #4
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My September build has plenty of pops and burbles but it need to have been warmed up first
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