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Full Control Of Your Engine
The Aim LCU2 Open gives you complete control of your engine while offering unrivalled flexibility in motorsport data integration. Unlike the standard version, the Open version is designed to connect seamlessly with a wide range of networks outside of the Aim Technologies ecosystem, making it the perfect choice for teams and drivers running mixed systems.
The LCU2 delivers highly accurate Lambda readings while introducing dual sensor capability for even greater monitoring and control; whether you're optimising power, improving drivability, or protecting engine reliability, the LCU2 provides the data you need to keep your engine performing at its best.
Why Choose the Aim LCU2 Open Lambda Controller
The Aim LCU2 Open accurately measures Lambda values, offering the precision required for serious engine tuning and calibration.
By analysing residual oxygen levels in the exhaust gases, the LCU2 Open identifies rich or lean carburetion conditions, helping you fine-tune fuelling for maximum efficiency.
With dual Lambda sensor support, proven Bosch wideband technology, CAN integration, and motorsport-grade reliability, the Aim LCU2 Open is the next evolution in air/fuel monitoring and engine tuning.
New Dual Lambda Sensor Capability
A major upgrade for the LCU2 Open is the ability to connect two Lambda probes simultaneously.
This allows:
- Monitoring of dual-bank or V-engine exhaust systems
- Comparison between left and right cylinder banks
- Greater fuelling accuracy across multiple exhaust outlets
- Enhanced diagnostics and engine balancing
- More precise tuning for high-performance applications
For race engineers and tuners, dual-sensor support delivers a significant advantage in both setup accuracy and engine safety.

Bosch LSU 4.9 Wideband Sensor Technology
The LCU2 Open uses the trusted Bosch LSU 4.9 wideband sensor, selected for its long-term precision and stable calibration retention throughout the sensor’s service life.
Engineered for durability, the Bosch LSU 4.9 probe is designed to last for over 100,000 km under standard operating conditions, giving you dependable performance session after session.
Precision, Reliability & Fuel Flexibility
The configurable stoichiometric ratio allows the LCU2 Open to be used across a wide range of fuel types, including petrol, diesel, ethanol blends as well as alternative performance fuels.
This flexibility is what makes the LCU2 Open suitable for road, race, track day, karting, motorcycle, and specialist engine applications.
Seamless Integration
What sets the LCU2 Open apart is its compatibility. While the standard LCU2 Lambda Controller integrates exclusively with Aim Technologies systems, the Open version extends your possibilities. The LCU2 Open communicates via CAN with leading motorsport brands, making it a truly universal solution for engine management and data acquisition. This ensures you can use the same trusted sensor technology, regardless of which system your team runs.
This enables deeper insight into:
- Fuel mixture behaviour
- RPM and throttle relationship
- Gear-based fuelling trends
- Temperature and pressure correlation
- Performance consistency lap after lap

Expand Your System
Built for demanding environments, the LCU2 Open features a compact and durable design suitable for installation in:
- Race cars
- Rally cars
- Motorcycles
- Motocross bikes
- Karting applications
- Custom performance builds
Technical Information
Technical Specs
Diagram

Connections

Included in the Box
LCU2 Open
CAN Cable
Thread Iron Ring
2x Bosch LSU 4.9 Probes
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Free Aim Software





