# 03 745i will not start in the cold

**URL:** <https://community.cartalk.com/t/03-745i-will-not-start-in-the-cold/60401>\
**Category:** Maintenance/Repairs\
**Tags:** start, bmw, 745\
**Created:** [January 24, 2011, 12:43pm UTC](https://community.cartalk.com/t/03-745i-will-not-start-in-the-cold/60401 "2011-01-24T12:43:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![cdburton](https://avatars.discourse-cdn.com/v4/letter/c/3ec8ea/32.png) [@cdburton](https://community.cartalk.com/u/cdburton)\
**Post date:** [January 24, 2011, 12:43pm UTC](https://community.cartalk.com/t/03-745i-will-not-start-in-the-cold/60401/1 "2011-01-24T12:43:21Z")

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Does anyone have any suggestions as to why my car will not start every time it get really cold; also I have not started it in about 4 days. How do I resolve this problem

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**Author:** ![cigroller](https://avatars.discourse-cdn.com/v4/letter/c/c68b51/32.png) [@cigroller](https://community.cartalk.com/u/cigroller)\
**Post date:** [January 24, 2011, 1:16pm UTC](https://community.cartalk.com/t/03-745i-will-not-start-in-the-cold/60401/2 "2011-01-24T13:16:24Z")

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Before anyone can even begin you need to say what “will not start” means. Describe exactly what happens when you turn the key.

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**Author:** ![UncleTurbo](https://avatars.discourse-cdn.com/v4/letter/u/e9a140/32.png) [@UncleTurbo](https://community.cartalk.com/u/UncleTurbo)\
**Post date:** [January 24, 2011, 1:43pm UTC](https://community.cartalk.com/t/03-745i-will-not-start-in-the-cold/60401/3 "2011-01-24T13:43:32Z")

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If your '03 still has the original battery, you are due for a new one. That’s about the best guess anyone can give with the little bit of info you have given us to work with.

A car battery loses a lot of power when it is cold, therefore a weak battery will be weaker and not have enough power to crank the starter on a very cold morning. When it warms up a bit, then it can start the car.