Think luxury and performance can't go together? Think again. 🔥 This BMW 640i Gran Turismo, powered by the impressive B58 inline-six engine, received a VAITRIX Stage 1 ECU tune—and the results are seriously impressive. 📊 BEFORE vs AFTER 🔵 Factory: 340 HP / 45.9 kgm🔴 VAITRIX Stage 1: 402.9 HP / 54.3 kgm 💥 GAIN: +60 HP | +8.4 kgm Torque That's right—the BMW 640i GT has officially pushed beyond the 400 HP barrier! 🚀 More Power. Better Response. Stronger Acceleration. The VA