I can't compare the DPs you're refering to, however I can tell you that I've installed the BMS DPs with no issues thus far. They aligned perfectly and the cost was as competetive as you're going to find at this point.
2008 AW E88--2 years on 100% E85. Too much to list..
2011 AW E90--Tune--Stage 1 Turbo--FMIC--DP
2013 Mini JCW--Tune