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      09-29-2012, 08:32 PM   #5
upstatedoc
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Drives: '09 BMW 328ix
Join Date: Dec 2009
Location: Crisp, Baconia

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does the FCC ID number end in M4? If so it is the newer M4 horn which has greater straight on range than the earlier X50's that had the S7 horns. Either way a 9500i will have better detection due to better software even though it has the same M4 horn
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2014 Dodge Durango R/T //Diablosports Tuning
2009 E90 N51 /Active Autowerke Stage 2 tune/BMW Performance Exhaust/
Countermeasure enthusiast.
Quote:
Originally Posted by jgoens View Post
I was thinking of foaming that hole as well.