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Registered User
Join Date: Apr 2016
Posts: 3
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2003 530i Coolant Leak
I have a 2003 530i and I have a water (or coolant) leak at the back of my engine (near the transmission is where it runs out at). When I pour water in the reservoir, it comes out as fast as I poor it in and I can't locate where it is coming from. What could it be? What would I have to remove to get to it? I don't notice any changes in my oil level and the oil or the oil cap do not look milky. It hasn't been long since I replaced the thermostat on it. I have the front up on jack stands now. Any help would be greatly appreciated! Thanks.
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Run smooth, run fast
Join Date: Aug 2008
Location: South Carolina
Posts: 13,450
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Hopefully, you've already figured this out and fixed it... I see you posted this on 4/12.
It's probably gonna be the heater inlet pipe (#8) shown in this diagram: RealOEM.com - Online BMW Parts Catalog It would be a good idea to replace all of those small hoses (#5, 6, and 8... and new O-rings needed to install them properly) if you're unsure about their age. They get very brittle; they get heat soaked because of their location. Pelican should have them... confirm the part nos. you need based on your car's date of manufacture. They will not fail at a good time if you know what I mean.
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- John "We had a band powerful enough to turn goat piss into gasoline." Last edited by Heel n Toe; 04-30-2016 at 12:13 AM.. |
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