# 2004 BMW 325 - Oil pressure light

**URL:** <https://community.cartalk.com/t/2004-bmw-325-oil-pressure-light/146596>\
**Category:** Maintenance/Repairs\
**Tags:** bmw\
**Created:** [August 13, 2019, 1:43am UTC](https://community.cartalk.com/t/2004-bmw-325-oil-pressure-light/146596 "2019-08-13T01:43:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Gene28](https://avatars.discourse-cdn.com/v4/letter/g/ee59a6/32.png) [@Gene28](https://community.cartalk.com/u/Gene28)\
**Post date:** [August 13, 2019, 1:43am UTC](https://community.cartalk.com/t/2004-bmw-325-oil-pressure-light/146596/1 "2019-08-13T01:43:31Z")

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2004 325i with 128k miles. The engine oil pressure lite is illuminates after the vehicle has not been driven in several weeks. I have has the oil pressure sensor replace and oil is in the crankcase. I have recently had the brakes and tires replaced. Can I change the viscosity of the oil to stop this problem? I would like to drive this vehicle another year.

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [August 13, 2019, 11:07am UTC](https://community.cartalk.com/t/2004-bmw-325-oil-pressure-light/146596/2 "2019-08-13T11:07:44Z")

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> [@Gene28](#):
>
> I have has the oil pressure sensor replace and oil is in the crankcase

Did anyone check the actual oil pressure the car generates with a mechanical gauge? If the engine is not producing enough oil pressure, its life is going to be very short.

Find and fix the problem rather than trying to band-aid it with thicker oil. Go back to your mechanic and tell them this problem and get a proper diagnosis. Right now you are totally in the dark.
