$595.00 USD
$595.00 USD


Plug & Play Power Upgrade – Up to +90 HP for the Latest BMW S68 Models
$2213.02 USD
Elevate your BMW's twin-turbo S68 V8 engine with the Swiss-developed, German-engineered dAHLer Engine Performance Tuning Module. This advanced plug & play ECU module delivers up to +90 HP at the wheels on a stock vehicle, without faults, errors, or DME removal.
Tested rigorously on the German Autobahn, it provides seamless integration and exhilarating dynamics – this is how your BMW M performance vehicle should feel from the factory.
Confirm your exact model/year for perfect fitment.
No tools or ECU flashing required. Connect OEM-style plugs to boost pressure sensors, camshaft sensor, and grounds. Fully reversible in minutes using the included adapter or valet plug (perfect for service visits).
Wirelessly manage your tune via the intuitive free dAHLer app:
Unlike competitors, dAHLer works harmoniously with BMW's frequent ECU updates – no risk of overwrite. It's the safest, most reliable, and undetectable way to unlock your S68 engine's full potential.
Up to +90 HP at the wheels on a stock vehicle.
Yes, fully reversible and undetectable with the included valet/adapter plug.
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.