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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 01-20-2020, 10:31 AM
franan franan is offline
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Loss of Coolant

I’ve been losing coolant for some time now. I checked the oil levels and everything is fine. There’s no mix of oil and coolant either. I cannot seem to find out where the problem is. I’ve checked everywhere and not one leak to be found. Very confusing. Does anyone have any suggestions?


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Old 01-20-2020, 03:54 PM
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hornhospital hornhospital is offline
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Pressure test the system and the cap. You can rent the pressure tester at most auto parts stores.
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Old 01-20-2020, 05:10 PM
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Originally Posted by hornhospital View Post
Pressure test the system and the cap. You can rent the pressure tester at most auto parts stores.


+1. Might be $100+ to “buy” a loaner and you get the refund when you return it. I have done it from Advance Auto and I had 45 days to return.


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Old 01-21-2020, 10:58 AM
franan franan is offline
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Thank you guys for taking the time to answer. Pressure test will be next.
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Old 01-21-2020, 05:00 PM
spyderg0d spyderg0d is offline
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If you cant find coolant deip in the bay,. Theres in the cowl at the plastic hose inlet outlet piece that cracks or leaks at the seal. Then theres the heater core leake that dripps coolant inside the car. The carpet soaks up the coolant, bit usually stays damp or wet on the sides of the trans tunnel in the footwells.
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