Kreissieg F1 exhaust (valvetronic) - Bimmerfest - BMW Forums

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E63 / E64 M6 (2006 - 2010)

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Old 04-26-2011, 02:28 AM
larryscmg larryscmg is offline
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Location: San Jose, California BAY AREA
Join Date: Aug 2008
Posts: 74
Mein Auto: BMWs, Murcielago, Modena
Kreissieg F1 exhaust (valvetronic)

What do you guys think? With a flip of a switch the car sounds stock!

Last edited by larryscmg; 04-26-2011 at 02:32 AM.
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Old 04-30-2011, 12:20 AM
blackmamba blackmamba is offline
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Location: Seattle
Join Date: Apr 2011
Posts: 18
Mein Auto: e90 328i
Sounds good, but too raspy for my taste with the valve open & closed
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Old 05-02-2011, 04:38 PM
SIN3 SIN3 is offline
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Posts: 9
Mein Auto: 06 M3 Cab : 04 ZHP Cab
dear god... i love it.
2006 M3 Cabrio
2004 ZHP Cabrio

"if you think you wheel fitment is legit think again, get wider wheels and know your offsets"
"keep it clean, keep it OEM+"
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Old 05-31-2011, 01:34 AM
BootyHunter57 BootyHunter57 is offline
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Location: Los Angeles
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Mein Auto: 2007 S550
sounds very good.
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Old 08-02-2011, 08:45 AM
Gian124 Gian124 is offline
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Location: NJ
Join Date: Aug 2011
Posts: 1
Mein Auto: 2008 M6
Great, but expensive!
... was looking to buy one, but $9,529.00 shipped then installation is a bit steep for just the sound with minor performance change. Also, I am curious what the impact of the closed exhaust valves will be on the motor (will the internal exhaust valves in the cylinder head get fouled and caked with carbon due to increased backpressure?)

Last edited by Gian124; 08-02-2011 at 08:54 AM.
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Old 09-04-2011, 10:03 AM
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Mein Auto: BMW 650 I SPORT PKG
what 10grand wow
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