BMW 540I / M550I (G30) – STAGE 1 PERFORMANCE SOFTWARE
$1,781.99
Stage 1: 335HP → 410HP (+75HP) | 332 → 413 lb-ft (+81 lb-ft). Stage 2: 470HP / 479 lb-ft. Bosch MG1CS024 / MG1CS049. OBD flash. 100% reversible.
BMW 540I XDRIVE (G30/G31) (2017-2023) — STAGE 1 & STAGE 2 PERFORMANCE TUNE
3.0T B58B30O1 Inline-6 — Bosch MG1CS024 / MG1CS049 — OBD Flash
SKU: AMT.BMW.540I.B58.G30.STG1
Performance Gains
| Specification | Original | Stage 1 | Stage 2 |
|---|---|---|---|
| Power (HP) | 335 | 410 (+75 HP) | 470 (+135 HP) |
| Torque (lb-ft) | 332 | 413 (+81 lb-ft) | 479 (+148 lb-ft) |
Required & Recommended Parts
| Tune | Required Parts | Recommended Parts |
|---|---|---|
| Stage 1 | — | Performance air filter |
| Stage 2 | Upgraded intercooler, downpipe / sport exhaust | Charge pipe, performance air filter |
Overview
The G30 540i is a refined B58 application that responds very well to calibration because BMW left a generous safety margin in torque request, boost, and transmission cooperation. Earlier cars are commonly associated with MG1CS024 while later protected versions can move into the newer security pattern, so unlock status should always be checked before flashing. This is an especially attractive Canadian market tune because cold weather improves charge density and the car already has excellent highway manners. With intercooler, charge pipe, and downpipe support, the platform scales into a strong Stage 2 touring sedan file.
Key Features
- executive sedan sleeper
- smooth but strong torque gains
- OBD flash support
- excellent highway drivability
- good Stage 2 bolt on headroom
Vehicle Specifications
| Parameter | Specification |
|---|---|
| Production Years | 2017-2023 |
| Engine | 3.0T B58B30O1 Inline-6 |
| ECU Type | Bosch MG1CS024 / MG1CS049 |
| Flash Method | OBD |
| Time Required | Same day (OBD flash) |
Programming Instructions
This vehicle is tuned via OBD port flash — no ECU removal required.
- Locate the OBD-II port (under the dashboard, driver’s side)
- Connect the AMT Tuning flash tool to the OBD port
- Follow the prompts to read your stock file (approx. 15–30 minutes)
- Send the stock file to AMT Tuning — we will prepare your custom tune
- Flash the returned tune file — your vehicle is ready to drive
- To revert: your original stock file is saved and can be flashed back at any time
Shipping & Contact
AMT Tuning Ltd, 6-25 Edilcan Drive, Concord, Ontario L4K 3S4 Canada
Phone: +1 877 469 9440 | Email: sales@amttuning.com
| Make | BMW |
|---|---|
| Vehicle Make | BMW |
| Model | BMW 540i / M550i (G30) |
| Production Year | 2017-2024 |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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