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Join Date: Aug 2015
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X5 leaks coolant only when parked

Just bought a 2004 x5 4.4 with 200,000 kms.
The check coolant light comes on always, but it takes only 1 liter to top off.
But after top off it leaks onto the ground from front engine area at a fast drip.
Then after losing 1 liter, it seems to quit leaking, and I drive to town and back, about 30 kms mixed driving, it never shows above normal on gauge, and seems to quit after losing 1 liter.
The previous lady owner said she could drive 100 kms without overheating, but sold it because low coolant light kept coming on, and leaked while parked. It was parked for 4 months when I bought it, and it took 2-3 litres to fill up reservoir.
Any ideas? Advice ? Can I use the gm coolant pills ( similar idea to Bars Leak) in the BMW ?
Old 08-29-2015, 02:28 PM
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Hi Rd.adam@hotmail....I've attached a helpful link to one of our tech articles on the BMW X5. I think/hope that it'll help you resolve the leak. If you have anymore questions, feel free to Comment just below the article and someone will get back to you shortly. Best of luck!

BMW X5 Cooling Tech Article - BMW X5 Cooling System Leak Test (E53 2000 - 2006) | Pelican Parts DIY Maintenance Article


Thanks,
Dmitry
Old 09-07-2016, 01:29 PM
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Quote:
Originally Posted by Rd.adam@hotmail View Post
Just bought a 2004 x5 4.4 with 200,000 kms.
The check coolant light comes on always, but it takes only 1 liter to top off.
But after top off it leaks onto the ground from front engine area at a fast drip.
Then after losing 1 liter, it seems to quit leaking, and I drive to town and back, about 30 kms mixed driving, it never shows above normal on gauge, and seems to quit after losing 1 liter.
The previous lady owner said she could drive 100 kms without overheating, but sold it because low coolant light kept coming on, and leaked while parked. It was parked for 4 months when I bought it, and it took 2-3 litres to fill up reservoir.
Any ideas? Advice ? Can I use the gm coolant pills ( similar idea to Bars Leak) in the BMW ?
Many BMWs have a problem with a crack in the reservoir tank. Had this problem on a Z4 which drove me crazy until a guy on one of the forums told me to just replace it. I never did see where it was leaking but have had no problem since.
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81 SC Euro WB, 930/51, 3.0l Bored & Stroked to 3.2l, Ported Polished Twin Plug heads, Ruf IC, K27 7006, Powerhaus headers, Zork, 009 inj, Alum inj blks, 044 pump, BLwur, Mocal Oil cooler, LM2, 930 4 sp LSD, 930 Brembo brakes, Retroair a/c, Euromeisters.....
2003 BMW Z4 Daily Driver & Autocross car.
Old 05-17-2017, 04:17 AM
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