Member
Hey everyone, just got this 2004 330Ci in December and it finally broke down on me.
Pretty sure the water pump failed but just wanted to get a second opinion if you guys think anything else is wrong with it.
Got a few videos of a quick run to make sure it was the water pump, but was surprised by the amount of smoke it made.
Top view:
https://youtu.be/uRByGXA9srE
Bottom view 1:
https://youtu.be/Cz7Y4cjZp5o
Bottom view 2:
https://youtu.be/OydXG_dX_iI
Member
There’s no reason not to overhaul the entire cooling system on a car with no service history.
Member
Yeah I have that kit coming in soon and I'll probably replace the belts when I do that.Originally Posted by Liquidity
Is there anything else that looks like its about to give out?
Wagon meister :)
BMW Tech Expert
+1
Also be sure to replace all the tensioners and idle pulleys. If you want to make sure that one of them is bad, just remove the belts and start the engine up for a couple of seconds. If the noise goes away then it's one of those pulleys that's bad. INA is the OE provider to BMW for those parts.
You can also spin each accessory and feel how they spin, but to me it sounds like a bad pulley bearing.
Darin
Current:
16 220i Active Tourer Platinsilver MET (C08)/Dakota Black (PDSW), P7ACA, P7LDA, P7LHA, P9BDA, 6sp Manual - Wife's new toy!
05 325it Electric Red(438)/Gray(N6TT) ZCW, ZSP 5sp Manual Back set cover, trunk mat, Euro Infra-Rot front windshield, and mud flaps! Mr. Wagon My new Winter car.
05 M3 Imolarot II(405)/Gray(N5TT) ZCW, ZPP 6sp Manual C.F. Lip, CSL diffuser, SSK, Euro Infra-Rot front windshield and a trunk liner! Mr. Go_Fast Stored for the Winter
Past:
95 318is Montreal Blue Met (297)/Beige(K1SN) RIP, killed by an Idiot.
84 M535i gray market Burgandy Rot Met/Black Leather Lowered by Intrax on bilies, poly everywhere, B&B cat back system, K&N, and a hitch! Da Beast - Still running w/400k+!
91 316i euro Tizianrot/Gray cloth - E-36 w/M-40 RIP, but great on gas! Best was 38 MPG
82 528i euro Saphire Blue Met/Blue Leather RIP
79 525 euro Green/Green RIP
79 318 Silver/Black - The first one that got it all started
M-Flight Member
Member
I am trying to post a question. I have a 2006 325ci and the overheating idiot light came on. Opened the hood and the fan was not moving. Shut off the engine and discovered the fan was just sitting there in the housing and not attached to the engine. I reattached it (reverse threaded) and it ran fine for 6-7 miles, but now it is overheating. What would cause the fan to come off? If the water pump had seized, wouldn't it still be seized?
Member
Given that you have so much access to the engine right now I would STRONGLY advise an intake refresh. Here is a guide with part numbers and steps. I have done it on three high-mileage e46s and I am very happy.
https://www.e46fanatics.com/threads/...-e46s.1279006/
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