Be SURE they have not been "punched", marked on BMWNA's books as sold. This is very common with units such as these. If so the warranty clock started the day they were punched and they no longer have the full 48 months of warranty.
SA is nothing to worry about. SULEV has slightly lower hp, but if you're satisfied with the performance that's nothing to worry about either.
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." -- Geo. Orwell
Keep Right, Except to Pass
Then & Than usage - "It was hotter than ever (comparison). Then (time) it got cool."
2006 330i Sonora w/ ActiveAutoWerke flash tune - I like it!
2004 330i ZHP Imola/NB - missed
2000 328i TiAg - gone but not forgotten
BMW CCA member #388003 - www.bmwcca.org Use me as a referral, you could win a one day ///M Driving School!