battery light just whent on? on 1991 BMW 325i

should i just change it ? is that any way i can test the battery ?

Asked by for the 1991 BMW 325i
1 answer 1 comment
check alternator to make sure iy is charging properly
i wanna thank you for checking the alternator ,u mean i will have to take it to a mecanic,or is that anyway i can check it for my self and how?