Check for 996 103 033 02
Mahle piston ring kit Mahle 504 40 N0
EAN 4009026929575
Contains:
Mahle 63504, Rechteckring, Nitriert, Heigth 1,2 mm
Mahle 63745, Nasenminutenring, Heigth 1,5 mm
Mahle 65959, Ölabstreifring (mehrteilig), Nitriert, Height 2,0 mm
https://catalog.mahle-aftermarket.com/eu/product.xhtml?eid=1195707#divider
Fits:
M 96.20, 85,50 Ø, 2.480 ccm
M 96.25, 85,50 Ø, 2.687 ccm
M 96.22, 85,50 Ø, 2.687 ccm
M 97.20, 85,50 Ø, 2.687 ccm
M 96.23, 85,50 Ø, 2.687 ccm
You'll find infos about correct gap in the workshop manual.
There are also piston ring sets for overbore pistons available:
Mahle 504 40 N1
Mahle 504 40 N2
Regards from Germany,
Markus