BMW E-Series N63, E70 X5 50i, E71 X6 50i - Bimmworks Remote Tuning Extra Map(s):Two Extra Maps BMW E53 X5 3

BMW E53 X5 3

Original (stock) MAP included

Secondary O2 Sensor Delete

BMW 523i  2004-2007

BMW E-Series N63, E70 X5 50i, E71 X6 50i - Bimmworks Remote Tuning Extra Map(s):Two Extra Maps BMW E53 X5 3STAGE 1 Performance tune Modifications: None (Stock) + 70hp 75lb tq STAGE 2 Performance tune Modifications: Catless downpipes + 91hp 103lb tq Performance tune key features: Improved throttle response Improved torque management Supports upgraded air intakes Top speed limiter removed No check engine for catless downpipes Developed on Dyno Available options (Inquiry): Cold start delete Catless Exhaust Exhaust Burbles Fault codes (DTCs) off Secondary O2