Gavin Coombes crashed over after superb work again from the Munster back to reduce the South Africans’ lead to 21-19 with 12 minutes remaining.
Ben Muncaster scored a brace of tries as Edinburgh celebrated their first win of the United Rugby Championship season thanks to an emphatic 38-7 bonus-point victory at home to the Stormers.
DHL Stormers edged the Vodacom Bulls 26-20 in a tense South African derby in Cape Town that lifts the 2022 champions to seventh in the BKT United Rugby Championship.
The Stormers recorded their first Champions Cup win of the season, beating Stade Rochelais in Cape Town on Saturday.
La Rochelle winger Dillyn Leyds has opened up on what has given the back-to-back European champions the edge in the last few seasons, citing man management as a crucially important factor.
It was not a game to live long in the memory, but Stormers had enough class and quality to prevail in bonus-point fashion.
The home side were second best in terms of possession and territory but were the more clinical to achieve a morale-boosting bonus-point win.
Stormers player ratings: Many thought the DHL Stormers just needed to turn up at the Cape Town Stadium to retain the title but a failure...
