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Car Problem Reports

BMW 325i Coolant Leak From Radiator

 
BMW 325i Problem
11 Reports
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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006

Average Mileage: 125,000 mi (100,000 mi - 160,000 mi)

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It is not uncommon for the radiator to develop a coolant leak. A leaking radiator will require replacement. When a leaking radiator is replaced the entire cooling system should be inspected and if any additional leaks are found they should be repaired also.

Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.

  • mryflynn1, , 115,000 mi
     Rookie

    Coolant was dissapearing from tank and dash light kept turning on. After adding the 50/50 coolant/distilled water to the tank, the radiator blew in the front. Do not know the cause, but had the radiator replaced. (so in 20k miles, we've had to have the coolant reservoir, water pump, thermostat, and radiator replaced- that's like the whole coolant system, right?)

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  • DamonLee, , 100,000 mi
     Rookie

    I had to replace my radiator at 100,000 miles due to leaking.. It's my understanding the radiator is expected to fail every 5 years or so.. I also replaced the expansion tank, hoses, and the thermostat and housing.. All were failing as well, as they are plastic parts.

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