Seems VAG do endless different 'variants' of this engine, tuned (and mapped) for different BHP
Below is taken from
this Wikipedia page:
1.4 R4 16v TSI/TFSI 90-133kW
DIN-rated motive power & torque outputs, ID codes
90 kilowatts (122 PS; 121 bhp); 210 newton metres (155 lbf·ft) @ 1,500-4,000 rpm — Passat (2009 on)
90 kilowatts (122 PS; 121 bhp); 200 newton metres (148 lbf·ft) @ 1,500-3,500 rpm — CAXA; Golf Mk5 (2007 on), Tiguan (08/10->), Škoda Octavia Mk2, Scirocco Mk3
92 kilowatts (125 PS; 123 bhp); 200 newton metres (148 lbf·ft) @ 1,500-4,000 rpm — CAXC; Audi A3, SEAT Leon
96 kilowatts (131 PS; 129 bhp); 220 newton metres (162 lbf·ft) @ 1,750-3,500 rpm — CFBA; Golf Mk6, VW Jetta V, Passat B6, Škoda Octavia Mk2, LAVIDA(SAIC-VW), Bora
103 kilowatts (140 PS; 138 bhp); 220 newton metres (162 lbf·ft) — BMY; Touran from early 2006, Golf Mk5, Jetta
110 kilowatts (150 PS; 148 bhp) @ 5,800 rpm; 220 newton metres (162 lbf·ft) @ 1,250-4,500 rpm — CAVF;
SEAT Ibiza FR
110 kilowatts (150 PS; 148 bhp) @ 5,800 rpm; 240 newton metres (177 lbf·ft) @ 1,750-4,000 rpm — BWK/CAVA; VW Tiguan
110 kilowatts (150 PS; 148 bhp) @ 5,800 rpm; 240 newton metres (177 lbf·ft) @ 1,750-4,000 rpm — CDGA; Passat B7 EcoFuel
118 kilowatts (160 PS; 158 bhp) @ 5,800 rpm; 240 newton metres (177 lbf·ft) @ 1,750-4,500 rpm — CAVD; Golf Mk6, Scirocco Mk3, VW Jetta TSI Sport
125 kilowatts (170 PS; 168 bhp) @ 6,000 rpm; 240 newton metres (177 lbf·ft) (MEP 21.7 bar) @ 1,750-4,500 rpm (200 N·m (148 lbf·ft) @ 1,250-6,000 rpm), rev limit: 7,000 rpm — BLG; Golf Mk5 GT, Jetta, Golf Plus, Touran
132 kilowatts (179 PS; 177 bhp) @ 6,200 rpm; — 250 newton metres (184 lbf·ft) @ 2,000 - 4,500 rpm, CAVE;
SEAT Ibiza Cupra, Polo GTI, Fabia RS