Description
The BMW CS DME flash applies the factory BMW M3 CS production calibration to your G80 M3 or G82 M4 DME. This delivers approximately 530 HP using BMW’s own signed software — no third-party ECU unlock, no warranty-voiding hacks. The origin…
Quick Answer
The BMW CS DME flash applies the factory BMW M3 CS production calibration to your G80 M3 or G82 M4 DME. This delivers approximately 530 HP using BMW’s own signed software — no third-party ECU unlock, no warranty-voiding hacks. The original calibration is backed up before flashing. Remote ENET session takes 30 minutes. Fully reversible.
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.
⚠️ Please provide your VIN after purchase
To schedule your session we need your 17-digit VIN (found on your windshield, door jamb, or registration). Send it to us after checkout:
📧 info@mtriupgrade.com |
📲 WhatsApp +64 21 920 905 |
Or add it to your order notes at checkout.
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