BMW X3 M40I (G01) – STAGE 1 PERFORMANCE SOFTWARE
$1,781.99
Stage 1: 382HP → 455HP (+73HP) | 369 → 443 lb-ft (+74 lb-ft). Stage 2: 515HP / 509 lb-ft. Bosch MG1CS024 / MG1CS049. OBD flash. 100% reversible.
BMW X3 M40I (G01) (2018-2024) — STAGE 1 & STAGE 2 PERFORMANCE TUNE
3.0T B58B30M1 Inline-6 — Bosch MG1CS024 / MG1CS049 — OBD Flash
SKU: AMT.BMW.X3M40I.B58.STG1
Performance Gains
| Specification | Original | Stage 1 | Stage 2 |
|---|---|---|---|
| Power (HP) | 382 | 455 (+73 HP) | 515 (+133 HP) |
| Torque (lb-ft) | 369 | 443 (+74 lb-ft) | 509 (+140 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 X3 M40i combines the B58 with SUV packaging that benefits heavily from torque request and boost optimization, making it one of the best daily driven B58 tune products. Depending on year it can be found with MG1CS024 or MG1CS049 logic, and OBD access is supported through AutoTuner on supported applications. In Canadian conditions the added charge density from cold weather makes the torque improvement especially noticeable, though intercooler efficiency still matters on repeated pulls. Bolt on hardware turns it into a very strong Stage 2 SUV offering without sacrificing OEM drivability.
Key Features
- high demand performance SUV
- broad B58 parts support
- strong towing and passing torque gains
- OBD flash accessibility
- excellent family daily sleeper product
Vehicle Specifications
| Parameter | Specification |
|---|---|
| Production Years | 2018-2024 |
| Engine | 3.0T B58B30M1 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 X3 M40i (G01) |
| Production Year | 2018-2024 |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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