BMW Series 1 135 5i 306 hp
M135i • petrol
Stage 1 Remap
Price on enquiry
30-day money back
Power Gains
Original Power306 BHP
Stage 1 Power335 BHP
Stage 1 Gain
+29 BHP (9%)
Stage 2 Power
345 BHPHardware Mods Required
Stage 2 Gain
+39 BHP (13%)
Torque Gains
Original Torque450 Nm
Stage 1 Torque500 Nm
Stage 1 Gain
+50 Nm
Stage 2 Torque
530 NmHardware Mods Required
Stage 2 Gain
+80 Nm (18%)
BMW Series 1 F4x 2019
Performance Curve
Simulated curve based on typical power/torque characteristics. Actual results verified against live ECU data during development.
What's Included
Custom ECU Remap
30 Day Money Back Guarantee (Terms apply)
Full Diagnostic Check
Lifetime Software Warranty
Mobile Service Varies by Location
IMI Certified Technicians
Contact to Book
BMW Series 1 F4x 2019 BMW Series 1 135 5i 306 hp
M135i • petrol
No two cars are the same. The figures shown are typical gains - your actual results may vary based on your vehicle's condition, mileage, and modifications. We provide honest, realistic expectations during your consultation.
+29 BHP • Stage 1
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