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      10-20-2012, 10:10 PM   #27

Drives: Z4 35is, 335xi, Chevy 2500Dmax
Join Date: Dec 2006
Location: Maple Valley, WA

Posts: 758
iTrader: (1)

I get a great Whoosh sound most times I let my foot off the accelerator. Sounds very much like a Subby BOV. I'm glad I kicked down $200 to sound like a $20k Subby
'08 Alpine white E92 M3 with DTC--Sold
'12 Alpine white E92 335 Xdrive with slush box
'07 Summit white Chevy 2500 HD Duramax/Allison
'12 Alpine white Z4 35is via EuroDelivery June 4th