The sound of a 650i...
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Must say that the 6-cyl engines sounds much better than the 8-cyl engine to my ears! 
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From: sofia / london
OH MY GOD ... so beautiful .. i just cried :'(
having driven the 645ci, what i just heard sounds about... 2000% better 
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Originally Posted by colejl' post='217261' date='Dec 30 2005, 01:45 PM
Is it me or does the 6-cylinder engines sound so much smoother than the v8? 
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From: So. Cal 626
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sounds nice
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From: San Jose, California, USA
My Ride: 2008 Porsche 911 Carrera S Convertible. Midnight Blue, 6 Speed.Retired - 2007 997 Carrera S, Midnight Blue, Grey leather, premium audioRetired - 2007 550i, Monaco Blue over Beige, Navigation, Logic 7, Cold Weather Pack, Comfort Access, Sport Package
Model Year: 2008
Certainly doesn't seem to be the greatest recording. Based on these samples alone you'd think the Z4 file posted was the best sounding but the 650 sample seems to be a pretty nasty recording. My 545 sounded much better that this (and my 550 is still in break in so I've not gotten up to the real high end yet.) I don't think this does the 650 justice at all!!
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From: FLA - East Coast, USA
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AT Sharkfest in Spartanburg last month we had our one 650 line up with our three 645s and did the direct comparison test. Three guys and a lady (spouse of one owner) were doing the listening. Two of us heard the differences (revving up at standstill) but the other claimed they could not hear difference. I thought the 645 was sharper, perhaps a little closer to a I6 M engine exhaust sound. The 650 to me was deeper more throaty to me but not louder. As you can see even with four of us there we could not reach consensus. During our 90 mile run of 55-60 6ers (all but four, e24s) I was behind some M6, B10 Alpinas, etc and some mighty nice sounds filled the air 
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From: San Jose, California, USA
My Ride: 2008 Porsche 911 Carrera S Convertible. Midnight Blue, 6 Speed.Retired - 2007 997 Carrera S, Midnight Blue, Grey leather, premium audioRetired - 2007 550i, Monaco Blue over Beige, Navigation, Logic 7, Cold Weather Pack, Comfort Access, Sport Package
Model Year: 2008
Originally Posted by cobradav' post='290889' date='Jun 1 2006, 06:44 AM
AT Sharkfest in Spartanburg last month we had our one 650 line up with our three 645s and did the direct comparison test. Three guys and a lady (spouse of one owner) were doing the listening. Two of us heard the differences (revving up at standstill) but the other claimed they could not hear difference. I thought the 645 was sharper, perhaps a little closer to a I6 M engine exhaust sound. The 650 to me was deeper more throaty to me but not louder. As you can see even with four of us there we could not reach consensus. During our 90 mile run of 55-60 6ers (all but four, e24s) I was behind some M6, B10 Alpinas, etc and some mighty nice sounds filled the air
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From: New Zealand, Auckland
My Ride: 2005 E60 530i Steptronic Mystic Blue
No mods yet...
the straight 6 sounds a bit monotone...
where as the 4.8 V8 makes like a rumbling, burbling sound..
I thin the Z4's 6 is the old M54, and the 130i's being the new R6.
M54 sounds a lot better IMO.
I don't think these were recorded near the exhaust, maybe somewhere next to the engine, or attached to the exterior of the car
where as the 4.8 V8 makes like a rumbling, burbling sound..
I thin the Z4's 6 is the old M54, and the 130i's being the new R6.
M54 sounds a lot better IMO.
I don't think these were recorded near the exhaust, maybe somewhere next to the engine, or attached to the exterior of the car
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From: Philly,PA now Berlin,Germany
My Ride: E60 Limo with M-Sport package(m5 mirrors,m5 trunk finisher,m172 summer wheels,blk front grills,m5 paddle shift kit(my530i),m pedal covers,m floor mats,
E87 2005 The Misses car
E39 2002 Touring with M-Sport package/family wagon(gone but not forgotten)
Oh yeah 
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