JetPrime JP CJP 042B BMW R1200GS — Programmable Control Unit — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP CJP 042B
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsBMW R1200GS (2004–2018)
InstallationPlug-and-play, no wiring harness modifications required
DescriptionThe whole story

The JP CJP 042B puts the R1200GS's fuel map in the owner's hands: revs on one axis, load on the other and a correction in every cell.

Key Features

  • BMW R1200GS (2004–2018)
  • Fully programmable fuel map, written on a PC
  • Complete two-axis management: engine speed and load
  • For engines with an aftermarket exhaust or air filter
  • Plug-and-play with model-specific wiring
  • Unplugs at any time, nothing is written to the motorcycle

The Air and Water Boxer

BMW's 2013 redesign put water cooling around the exhaust side of the heads and moved the throttle bodies. Fuelling behaviour changed noticeably with it.

The Honest Summary

A programmable fuel controller for an owner who has modified the engine and wants the mixture to match. It rewards effort and it does nothing at all without it.

Firmware

JetPrime issue updates through the same software. They are infrequent and worth applying before starting a long mapping project rather than in the middle of one.

What Is Supplied

The unit, a harness for one motorcycle and access to the software. The wideband, the laptop and the time are the owner's contribution.

Regulations

Championships differ on engine management. Some permit added fuel controllers freely, some restrict them and a few prohibit them, and only the rulebook decides which.

Firmware Updates

Occasional and delivered through the same software. Apply them before starting a long project rather than halfway through one.

Reading the Year Span

Injection hardware changes more often than engines do. The years in the listing are part of the product, because the harness is cut for a specific arrangement.

A Note on Warranty

An additional controller is visible and a dealer will see it. It unplugs in minutes and the motorcycle is standard, which is the whole reason to prefer this over a reflash.

A Map Has No Ceiling

Unlike a fixed curve it can keep improving as long as somebody keeps working on it. That is the argument for the higher price and it is only worth anything to an owner who will do the work.

Fitment and Compatibility

  • BMW R1200GS (2004–2018)

Specifications

Model JP CJP 042B
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits BMW R1200GS (2004–2018)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x control unit
FitmentWhich bikes this fits
  • BMW R1200GS (2004–2018)
07 · Support

Questions, one topic at a time.

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Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.

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08 · Paddock

Before you go.

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