CS DME Engine Tune & Flash for BMW G80/G81/G82/G83 (M3/M4)

All OEM software – fully compatible with all regions and countries.

Unlock the full performance of your BMW M3 G80 or M4 G82 with the CS Engine Tune DME Flash from BIMMER-REMOTE.
This genuine OEM software upgrade transforms your vehicle with:

• Power increase to 530 HP / 650 Nm

• Top speed raised to 186 MPH (300 KMH) – limiter removed

• Enhanced throttle response and exhaust sound

• No ECU unlock required

• No dealer flags or warranty risk

We flash your G80 / G81 / G82 / G83 DME to the official CS calibration, bringing sharper performance, improved drivability, and authentic OEM reliability.

Experience genuine CS performance — safe, reliable, and compatible worldwide.

What You’ll Need

• ENET Cable (OBD2 to Ethernet) (LINK) 
• Windows PC or macOS (native macOS support)
• Teamviewer Free version
• Stable network connection

Remote Flashing Process

Process is done remotely by one of our technicians. Takes roughly 20 minutes.

You just simply purchase the product, then we'll send you an email with a booking option.

Compatibility:

2021 - 2026 G80 / G81 / G82 / G83 (AT)

The CS Engine Flash requires the vehicle software version to be earlier than 11/2025.30 (for example, 11/2025.24, 07/2025, or any lower version). You can check compatibility via chat or email.

Unsure of anything? Ask us a question or visit our FAQ page.