03-500I problem no top end
#1
03-500I problem no top end
Question I have a 03 500I it has run great up to now. I have about 1400 miles on it Problem is it runs good at low speeds but when I get on it around 30 MPH + it starts to lose power and sometimes backfires. I have change the plugs and airfilter but does the same thing has anyone had this problem or no what may fix it.
Thanks.....Bob
Thanks.....Bob
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