Up for sale is a Saab used - good working condition Saab  9-3 ABS Electronic unit ECU.  Check your Original BOSCH part number to know which unit to buy. This may fit other years, but verify and match your original part number to be sure. 

 This unit is extremely expensive to buy new ($1600) and a failure can potentially cause a whole host of brake system problems. This unit is located in the engine bay, near the brake master cyl. It has a large electrical connector that plugs into it (the ECU portion) and 6 green coated brake lines. 

This unit was recently removed from a crashed damaged insurance totaled vehicle.