M-TRI UPGRADE
BMW CS DME Engine Flash - G80 M3 / G82 M4 (530 HP)
BMW CS DME Engine Flash - G80 M3 / G82 M4 (530 HP)
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BMW CS DME Engine Flash for G80 M3 and G82 M4 delivers 530 HP / 650 Nm using factory BMW M3 CS calibration data. OEM software — no ECU unlock, no dealer flags, no check engine lights. Speed limiter removed to 300 km/h. Fully reversible. 20-minute remote flash via ENET. $299 USD at M-TRI UPGRADE.
BMW CS DME Engine Flash for G80 M3 and G82 M4 — upgrade to 530 HP / 650 Nm using the genuine factory M3 CS calibration for $299 USD. Speed limiter removed from 250 km/h to 300 km/h (186 mph). Improved throttle response, optimized boost targets, sportier exhaust mapping with overrun pops. OEM BMW software — no ECU unlock required, no dealer flags, fully reversible. Compatible with all G80 M3, G81 M3 Touring, G82 M4, G83 M4 Convertible (2021-2027, automatic only). Supports all current software versions including 11/2025.30 and 11/2025.40. 20-minute remote flash via ENET cable and TeamViewer. M-TRI UPGRADE — professional BMW remote coding and flashing, Auckland NZ, worldwide service.
Your G80 M3 makes 473 HP — the M3 CS makes 543. Same engine, different software.
- You're sitting on an S58 that BMW already validated for 543 HP in the CS model — but your standard M3 only gets 473 (or 503 in Competition)?
- The top speed limiter cuts you off at 250 km/h when the car is clearly capable of much more?
- You want CS-level throttle response and exhaust character without the $30,000+ premium of buying an actual CS?
BMW CS DME Engine Flash — G80 M3 / G82 M4
Flash your G80 M3 or G82 M4 with the factory CS engine calibration. This is the genuine BMW software from the M3 CS / M4 CSL, delivering 530 HP and 650 Nm to your standard or Competition model. Remote flash via ENET cable — takes approximately 20 minutes.
Performance Gains
| Metric | Standard M3 | M3 Competition | After CS Flash |
|---|---|---|---|
| Power | 473 HP | 503 / 510 HP | 530 HP |
| Torque | 550 Nm | 600 / 650 Nm | 650 Nm |
| Top Speed | 250 km/h (limited) | 250 km/h (limited) | 300 km/h (186 mph) |
| Throttle | Standard | Sharpened | CS-level aggressive |
What You Get
- CS engine calibration — optimised boost targets, fuel mapping, and ignition timing from the M3 CS
- Speed limiter removed — top speed raised to 300 km/h (186 mph)
- Enhanced throttle response — sharper tip-in, more immediate power delivery
- Sportier exhaust mapping — more aggressive sound character from the factory tune
- No ECU unlock required — clean flash, no dealer flags
- All OEM software — compatible with all regions and all current software versions including 11/2025
Compatibility
| Model | Chassis | Engine | Years | Transmission |
|---|---|---|---|---|
| M3 / M3 Competition | G80 | S58 3.0L TT | 2021-2027 | Automatic (ZF 8HP) |
| M3 Touring | G81 | S58 3.0L TT | 2022-2027 | Automatic (ZF 8HP) |
| M4 / M4 Competition | G82 | S58 3.0L TT | 2021-2027 | Automatic (ZF 8HP) |
| M4 Convertible | G83 | S58 3.0L TT | 2021-2027 | Automatic (ZF 8HP) |
Note: This flash is for automatic transmission models only. Manual transmission G80/G82 are not compatible with the CS DME flash.
How It Works
- Place your order and provide your VIN
- Receive a booking email to schedule your remote session
- Connect ENET cable and join via TeamViewer
- Our technician flashes the DME — approximately 20 minutes
- Restart and enjoy 530 HP
Fully reversible — your stock calibration is backed up before flashing and can be restored at any time.
