Stage 1 BMW X1 E84 18D 2.0 Turbo-Diesel ECU Calibration File – 507453 (EDC17C06) O_73S7UB143A

• Stage 1 map added with refined torque, boost, and injection logic
• Verified on Bosch EDC17C06 with software 507453
• CVN and emissions systems left untouched
• Supplied as complete project with stock file​

• Entry-level performance upgrade for X1 18D owners
• Improved response for urban and highway driving
• Flash-safe with bench or OBD tools
• Confirm ECU ID 507453 before installation
• For off-road/track use only​