MacBook Pro 'Touch Bar' 13-Inch
To open the Mac you need a P5/PL4 Pentalobe screwdriver.
The motherboard number is on the top (easy to reach) side of the motherboard, on the lower edge in the middle, just above the trackpad connector.
The T2-ROM is a WSON-8 chip 3x4mm (32Mbit).
The ROM in on the botttom (hard to reach) side of the motherboard.