According to the wiring diagram in my Bentley they're both 25.0mm2
A little more cross-section (26.65mm2) gives you an AWG 3, while a little less (21.14mm2) gives you an AWG 4, so take your pick.
A little more cross-section (26.65mm2) gives you an AWG 3, while a little less (21.14mm2) gives you an AWG 4, so take your pick.