Q: 2005 BMW X5 shut off, replaced battery went to turn on, lights, radio work but when try to start car alarm goes off

asked by on February 13, 2018

I was driving my car and out of nowwhwre the power shut off but the car kept moving. I was able to park in a parking lot. Tried to jump it, and the alarm kept going off. I checked the battery it says it needs charge. I changed the battery to one I believe may have been smaller and the car powered on but when we tried to start the car the alarm just went off

My car has 146000 miles.
My car has an automatic transmission.

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