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CobraRTP MotronicRT R6 - universal EPROM memory emulator that allows you to tuning the standard ECU in real time mode!

We are buying supplies, boards, and fully assembling these at our location in USA.


Real Time Programming
Support for the "address hit tracing" in TunerPRO (live map)
USB or Bluetooth connection to PC (Bluetooth add on gives ability to operate fully wireless from ECU/ECM *i.e. No USB Cable)
Features Dual-Mode - using 2 different firmwares, with the ability to switch on the go (dual-mode firmware or Dual-map)
No battery (nvSRAM)
The presence of 3 analog inputs (logging in TunerPRO)
Ease of installation. You don't need to change factory wiring, sensors, etc.

INCLUDED Equipment:

MotronicRT (with case)
AUX cable
Jumper (Dual-Mod)
Socket-extension(Ribbon Cable)
USB cable type-B


The device is an emulator of memory chips such as 27C128, 27C256, 27C512, 28F512. It is connected instead of a memory chip and performs the same role, but with the ability to change data (download firmware) in real time (online), without disrupting the operation of the ECU (the ability to change / download firmware even when the engine is running!).

Special feature of this version of CobraRTP is the availability of universal analog inputs, through which it is possible to connect some sensors (AFR, TPS, MAP, etc.) for logging parameters in TunerPRO RT in the form of graphs, virtual instruments, for the purpose of recording parameters and further analysis!

It is also possible upload two firmware (ROMs), followed by switching between them, for example using a switch or a jumper (without a PC)! Of course, this is very convenient, for example, for creating sports + city modes (calibrations).

Supported software in RTP mode: TunerPRO RTNistune (You can also use any other software and further download bin using our utility - CobraRTP Utility)

All ECUs with EPROM memory type 27c128-27c512 as well as Flash 28F512 are supported. These are cars from about 1984 - 1997. (OBD1)

Some of the supported ECUs are:

: Motronic m2.3.2  (TunerPRO RT)

BMW (E28 / E30 / E34 / E36): Bosch (DME) (last 3 digits of marking):
400, 402, 403, 404, 405, 413, 506, 283, 352, 153, 156, 173, 175, 179, 282, 990, 070, 071, 073, 075.
Siemens: MS40.0, MS40.1 (TunerPRO RT)

Fiat (93-96'): Coupe 16V Turbo, Punto GT (TunerPRO RT)

GM (87-95): 1227727, 1227730, 1227748, 1227749, 1228321, 1227752, 12282531227165, 1227277, 16195699, 16197427 (TunerPRO RT, C.A.T.S. RT Tuner )

Mitsubishi (DSM, 89-99'): 1G E931, 2G, 4G (CE9A, CD9A) — Galant VR-4, Lancer, Colt, Eclipse, Talon, Laser, EVO 123, 3000 GT, etc (TunerPRO RT)

Porsche (87-92') DME: 075, 506, 509 (944 Turbo, 928 GT, 911 C2) (TunerPRO RT)

Nissan (Infinity): B13/S13/S14, B13 200SX, 240SX, Z32, 300ZX, SkyLine, N13 Pulsar, (Q45/VH45, M30/VG30E, CA18DET, RB20DET, RB25, RB26, SR20DET, SR20VE, SR16VE, VG20/30, CA24E) 
ECU: 23710-xxxxx, A1x-xxx-xxx  (TunerPRO RT, Nistune)
Note: to emulate a 16 bit (2 chip) ECU, you need 2 CobraRTP emulators and an expansion board (daughterboard). 

Volkswagen: Golf, Corrado — VR6 (Digifant 1). (TunerPRO RT)

Volvo (Jetronic): LH 2.2, 2.4, Bosch: 511, 554, 556, 560, 913, 937, 954, 984 (TunerPRO RT)

ВАЗ (Лада): Мотроник — М1.5.4, M1.5.4N; Январь 4.1, Микас 5.4

Magnetti Marelli: IAW P8 (27c128-27c256)

The list is wider, restrictions are only on the type of memory used.

How do I know for sure if my ECU is supported?

To do this, you need to open the ECU and make sure that one of the supported ROM types is installed:

EPROM 27c256


Files/Drivers & Software:

For Windows 10/11 USB driver is not required.

CobraRTP VCP Driver (Win Vista/7/8.x) 

Use for tuning: TunerproRT, or Nistune

Cobra MotronicRT R6 Quick Start Guide.pdf

ADX for datalogging in TunerProRT

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CobraRTP MotronicRT R6

  • Product Code: cobrartp-motronicrt
  • Reward Points: 10
  • Availability: In Stock
  • $249.99 USD
  • $239.99 USD

  • Price in reward points: 498

Available Options

Tags: motronic, motronic rt, cobra, cobra rtp, GM emulator, emulator, GM, RTP, ostrich, moates, ostrich2, emu, emulator


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