Matts 850 GLT Posted October 18, 2011 Report Share Posted October 18, 2011 Does anyone know which ecu will work in my 1996 855 R auto? Which models will I find a replacement ecu? Thanks Matt (working on 855 R auto) Link to comment Share on other sites More sharing options...
Platinum850Wagon Posted October 18, 2011 Report Share Posted October 18, 2011 One from a 96 or 97 850 turbo or 850R. A "R" ecu will have the numbers 628 at the end of a larger number. Or you could use a regular turbo ecu from a regular 96-97 turbo. It will have 072 at the end. You'll lose a bit of horsepower with the regular turbo ECU. Link to comment Share on other sites More sharing options...
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