BMW 5 Series525d 163 bhp
Available Services
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Model
BMW 5 Series
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Variant
525d 163 bhp
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Years
1995-2003
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Fuel
Diesel
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Engine Size
2497
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ECU Type
Bosch DDE4.0
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 | |
|---|---|---|---|
163bhp | 209bhp | +46bhp | |
350Nm | 441Nm | +91Nm |
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.