what kind of car did you have before.
as far as driving experience goes its hard to top a BMW.
as far as service engine light you can go to an oil change place where they will run the OBD-II codes for free. Prolly a sensor that has gone out.
117k isnt alot of mileage as long as our are wiling to take care of the car.
good luck with the sale and npost some pics once you get her.
also that engine won the engine of the year award back in the 90's...so that tells you something as far as te engine goes.
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BMW FTW

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**CGM **(Certified Garage Mechanic)