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Precision Raceworks

Precision Raceworks USB to RS232 (DB9) Serial Cable for BMW Split Second A

Precision Raceworks USB to RS232 (DB9) Serial Cable for BMW Split Second A

£19.31
£20.99 £19.31
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Premium BMW serial interface lead for AIC setup and logging

Get a dependable laptop connection for your auxiliary injector controller with this genuine Precision Raceworks USB to serial programming lead, part number 101-0029. Built for enthusiasts and tuners working on N54, N55 and S55 platforms, it provides a clean, stable COM port link to Split Second AIC units for configuration, calibration and data capture on 135i, 1M, 335i and Z4 35i models.

If you are chasing a robust USB to RS232 solution that does not drop communication mid-session, this is the proven choice. We use it in-house on our own builds and customer cars, and feedback has been consistently excellent for reliability on the road, in the workshop and on the dyno.

Why enthusiasts choose this cable

  • Rock solid serial communication for Split Second Additional Injector Controller setup and fine tuning
  • True plug and play on most computers for quick connection and immediate use
  • Ideal for configuring auxiliary fuel strategies and for stable live data streaming
  • Lightweight and portable, perfect for toolbox or laptop bag
  • Tested by our team on N54 and N55 projects with faultless results

Compatibility

Suits BMW turbocharged six-cylinder applications using N54, N55 and S55 engines, including:

  • BMW 135i
  • BMW 1M
  • BMW 335i
  • BMW Z4 35i

Designed to communicate with RS232 serial devices such as the Split Second AIC auxiliary injector controller.

Technical details

  • Interface: USB to RS232 serial
  • Operating system support: Windows 10, 7, Vista, XP, ME, 98SE and Mac OS 10.1 or newer
  • Weight: 0.09 lbs
  • Manufacturer: Precision Raceworks
  • Part number: 101-0029

Fitting and support

Need assistance installing or calibrating your auxiliary injector controller on an N54, N55 or S55 build? Book professional support with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Fitment check before dispatch

We can verify compatibility before shipping. Add your UK registration or the last 7 digits of your VIN at checkout and we will confirm suitability.

Search friendly terms

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