If the car feels much slower after this you'll know it was mapped beforehand!!
Ps. A dealer always wants to do warranty work, they will look past most mods if they can get away with it.. Its where they make their money!
2008 E90 335i LCI M Sport / Manual / Black / Red Leather / Avon ZZ3 / VMR710
Mods: JB4 / BMS DCI /AR Design DPs / ETS FMIC / Water Meth Injection / Spec Stage 2+ Clutch / BMS Chargepipe / BMS OCC / Cool Carbon Brake Pads / Rob Beck PCV Valve / Forge Diverter Valves
Wish List: LSD / Bastuck Quads / Birds Suspension / M3 Arms