I have an '03 325i which has suddenly started overheating. I replaced the reservoir bottle, the fan assembly, & the thermostat. Still overheating. Any ideas? Owned 5 BMWs, new prob.

Asked by Householder Mar 31, 2015 at 07:54 PM about the 2003 BMW 3 Series 325i Sedan RWD

Question type: Maintenance & Repair

Overheating. Tried everything. Standard transmission.

144,795

T_S_T answered 9 years ago

Im leaning toward the water pump.

2 people found this helpful.

Mark helpful

7,845

apbimmer98 answered 9 years ago

Is there a squeaking sound while the car is running? That's a sign of a failing water pump. I'd check out the water pump.

Mark helpful

Householder answered 9 years ago

Water pump is fine. Fan works properly, but I'm thinking maybe a computer problem. Might not be getting signal to kick in?

Mark helpful

Your Answer:

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I have an '03 325i which has suddenly started overheating. I replaced the reservoir bottle, the fan assembly, & the thermostat. Still overheating. Any ideas? Owned 5 BMWs, new prob.

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I have an '03 325i which has suddenly started overheating. I replaced the reservoir bottle, the fan assembly, & the thermostat. Still overheating. Any ideas? Owned 5 BMWs, new prob.

3 Answers

Your Answer:

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