VAC Motorsports is excited to have chosen KMS (Kronenburg Management Systems) as a partner in providing superior and affordable engine management to our customers!

If your are looking to competitively race your S14 or simply to make your E30 M3 S14 powered vehicle a driver with modern reliability and performance, VAC Motorsports KMS ECU kits are the professional grade choice at a real world affordable price.
The KMS '25 series ECU is both affordable and fully featured while being super easy to program. This reliable system can be implemented and programed by any person with standalone ECU experience (or even the novice with proper background) in no time.

Basic Kit:
This kit includes all of ‘the basic’ components needed to wire up and go! Everything you need to equip your S14 with the flexibility only a fully featured system provides.

• KMS M_25 ECU
• KMS 4cyl Wire Harness
• VAC S14 Crank Trigger Kit (with sensor)
• VAC S14 TPS Kit (with sensor)
• KMS Air-temp Sensor
• VAC S14 ICV eliminator
  
  All KMS units can all be upgraded by firmware as well as expanding to additional hardware to achieve custom requirements. Features like VANOS control, in cockpit Lambda display, ect. So no mater what you plan to do with your car today, you are ready for tomorrow.

• Some of the MA25 / MP25 features:
• Complete engine management system up to 10 cylinders and 15,000 RPM
• Full Self mapping of fuel. Uses a Air Fuel Target map for every Load & Speed site using standard or wide band sensor.
• VANOS Control
• Idle Control for use with various intake setups.
  
  
• Variable launch-control
• Power shift (separate delay and cut off time for each gear)
  
  
• Anti Lag System
• Boost-control: Boost pressure mappable to RPM & Overboost Function
• 3 auxiliary outputs (example: shift-light, water injection, cooling fan etc.)
• RPM limiter: both Soft and Hard cut
• Engine diagnostics
• (2) Engine load type sensors (eg. MAP and TPS simultaneously)
• Analogue inputs (second lambda sensor, gearbox position sensor etc.)
• Available in a plastic or aluminum housing (shown on right)

  
  
  *The difference between the MA and MP model is the ECU housing, both shown on right

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