BMW X3M40i 349 hk
Available Services
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Model
BMW X3
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Variant
M40i 349 hk
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Years
2018-now
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Fuel
Petrol
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Engine Size
2998
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ECU Type
Bosch MG1CS201
Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.
It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.
| Original | Modified | Difference | |
|---|---|---|---|
349hk | 430hk | +81hk | |
500Nm | 569Nm | +69Nm |
Stage Notes
This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.
It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.