N52 Charcoal Delete - Poorer MPG???
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07-15-2013, 01:54 AM
Drives: 2010 328i 6MT Sport Pkg
Join Date: Aug 2011
Location: Los Angeles
maybe it does make the engine breath better but then dme had to add more fuel to balance out the af ratio?
N51- Perfomance Intake - Performance Exhaust - ESS Tuned - Performance SSK - CDV Delete - AFE-Header
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