How much HP can I gain with a BMW 540i Stage 1 tune?

With a Stage 1 ECU tune, your BMW 540i 2017-2024 can go from 335 HP to 445 HP, a gain of +110 HP.

Is ECU tuning safe for my BMW?

Yes. Westtuned uses manufacturer-calibrated ECU remapping with safe parameters. Stage 1 tunes require no hardware modifications and are fully reversible.

What is the difference between Stage 1 and Stage 2 for the 540i?

Stage 1 delivers 445 HP with no hardware changes. Stage 2 pushes to 550 HP but may require supporting hardware modifications like downpipes or intercooler upgrades.

BMW 540i

Name: BMW 540i 2017-2024 ECU Tuning +110HP | Westtuned
Brand: Westtuned
SKU: WT-335
Availability: InStock

2017-2024 | 335 HP -> 445 HP

POWER

335 HP

445 HP

+110 HP

TORQUE

332 Nm

455 Nm

+123 Nm

ORDER FOR STAGE 1

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What Will Your Car Feel Like?

Estimated performance improvements

— sec

0-60 MPH

Stock: —s → Tuned: —s

—

— sec

¼ Mile

Stock: —s → Tuned: —s

—

— HP/ton

Power-to-Weight

Stock: — → Tuned: —

—

Estimates based on performance data. Actual results may vary depending on conditions, fuel quality, and vehicle specifics.

Performance Curve

Stock Stage 1

Detailed Description

BMW 540i 2017-2024 Tuning Software by Westtuned

For BMW 540i owners who demand more from their 2017-2024, Westtuned offers custom ECU remapping software that transforms performance from the ground up. Every calibration is tailored to your vehicle's exact specifications, ensuring safe, reliable gains you can feel on every drive.

Using dyno-proven calibrations and safe air-fuel and boost targets, we offer Stage 1 software tailored to your exact hardware and driving style. Whether your BMW 540i 2017-2024 is stock or modified, our tuning optimises performance for both street and track use.

Stage 1 software pushes your BMW 540i 2017-2024 from the stock 335HP / 332Nm to 445HP / 455Nm — a gain of +110HP, achieved with no hardware modifications required.

Our calibrations are compatible with both stock vehicles and those equipped with aftermarket hardware — intakes, intercoolers, exhausts and more — ensuring maximum performance at every stage of modification.

Choose Westtuned for:

Custom ECU remapping for BMW 540i 2017-2024
Stage 1 performance software
Stage 1: 335HP → 445HP (+110HP)
Improved throttle response and torque delivery
Safe, data-driven tuning with reliability in mind

Experience the difference that properly calibrated ECU software makes — contact Westtuned and take the first step towards unlocking your BMW 540i 2017-2024's full potential.