2004 Bmw 325ci Service Engine Soon Light

I have just purchased a 2004 bmw 325i it has 110,000 miles on it while driving along day after i got it. heres what happened. service engine soon light comes on then the eml light & the brake light also & the car suddenly lost power & was like the brakes were being tapped repeatedly even though they wasnt. after stopping and shutting car off.