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The product is a 99-00 Mazda Miata NB1 ECU Engine Computer Unit with the part number BP5S18881 BP5S-18-881. Designed specifically for the 1999-2000 model year, this bolt-on unit is easy to install and has pin terminals for connectivity. It is a genuine Mazda part, not a universal fitment, and is located on the front of the vehicle. This ECU is a crucial component for controlling the engine functions of the Mazda Miata NB1.
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