My E39 calls for ATF to be used in the PS reservoir, I've been using Valvoline Synpower ATF.
Your E32 may call for a Pentosin product called CHF 7.1, or the synthetic version called CHF 11S.
Check the manual, or look at the cap, mine reservoir cap has ATF written on it.
Your E32 may call for a Pentosin product called CHF 7.1, or the synthetic version called CHF 11S.
Check the manual, or look at the cap, mine reservoir cap has ATF written on it.