Q: why when driving at 60 to 70 does engine start to loose speed and stall on 2003 BMW 325i

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
problem of car stalling and now this power loss after having work done to the tune of over $1900.00 never had this before they replaced, intake sensor,exhaust sensor,front brake sensor,control arm bushing,205/55/16 something???/regulator and more, all so engine light would go off and pass inspection. this car never stalled out and never ever lost power as it was being driven at a speed over 65 . this is the 3rd time since this repair i have had to bring this auto back. i am out of money so i can't even bring it to a bmw dealer, which i should have done to start with. help! what are my options?????????????
(3) Answers
Could be any number of things mass air flow sensor, low fuel pressure, restricted catalyst . You need to bring to a shop that has expertise with your BMW like Jensen's Service
Could be a plugged up fuel filter or water I your gas tank. I had a 2000 323i that would do the same
thing when you went around a sharp couner. It had water in the gas tank. Pulled the fuel filter and it was full of water and plugged up. Bought some of that bad cheap gas somewhere.
Had 2 diagnosed 1 at BMW dealer.
O2 sensors changed, thermostat, idle control valve, new air filter with filter pad, mass air flow sensor . Still all warning lights come on and runs rough, gas mileage drops off bad, wants to stall.
Sometimes after 20 miles other after 2 miles. 4 months of trouble. Please help
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