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Old 07-31-2013, 09:45 PM   #5
jdjg
Registered User
 
Join Date: Jun 2009
Location: Panama City, Panama
Posts: 289
My Ride: e39, m52tub30
best tune for catless headers for m54b30

yes....
BMW Euro map... no more Check Engine light, no mor O2 sensor after cat, no more cat....., also you will gain around 5hp vs BMW US map....


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