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  1. E46 General
    Car is leaking coolant I’m pretty sure from the water pump. but I want to ask the forums before I start replacing cooling system components. here is the oil pan alternator area Accessory belt area what do you guys think it is? Thanks for reading, any help is appreciated before I spend...
  2. E46 General
    I have a 2002 330CI that I am changing some of the cooling components on. I wanted to know is it necessary to remove the drain plug on the block or will it be good enough to drain out from where the water pump goes in?
  3. E46 General
    My 2000 328i is averaging 9 -99 C on hot days with AC on and off. Is 99 C too hot? What are people’s average temps? I did the entire cooling system (including radiator), no leaks. Could someone maybe give me some mental peace and help me figure this out?
  4. E46 General
    Which one would anybody recommend? Or everyone converted to electric fan already? I was reading a thread about a problem that's so similar to mine... When it's 90F+ outside in stop and go traffic my car behaves like it has a vacuum leak - no power, rough idle, intermittent "fuel cut off" error...
  5. E46 General
    I really enjoy this car. The cooling system, though, really could be better. Am I doing this right?
  6. E46 General
    Hey everyone, I own a 2002 330i that just hit 102k miles and I'm getting around to changing everything involving the cooling system just as preventative maintenance and I noticed this exposed wire running next to the oil filter housing and right above my thermostat housing. Does anyone know what...
  7. E46 General
    Okay as part of my cooling system overhaul, i'm wondering if the Mishimoto Performance Aluminium Radiator Non-M (MMRAD-E46-323A) is worth it. I'm all for performance mods and I have already gotten their CAI kit installed. Although, i'm not sure if it is truly worth the money compared to the...
  8. E46 General
    The other day my expansion tank started leaking so I ordered a new one right away. WHen I pulled it out today I found out that it was cracked because one of my belts ate through it. The whole driver side of the radiator was a little loose so thats how it moved down a bit and caused the expansion...
  9. E46 General
    I recently did a full cooling system flush on my '99 328i. (Drained expansion tank, radiator, AND engine block. After draining the old coolant (not sure what it was but prob was the bmw branded coolant. I let it idle and for a little while with only distillled water 3 times and also put some...
  10. E46 General
    I'm posting this because I've seen a few people struggle with hard pipe corrosion recently. A while ago, someone inquired about replacing them WITHOUT removing the intake manifold. Is that even possible? When I replaced mine, I disconnected everything. I can't even begin to imagine replacing the...
  11. E46 General
    I discovered a couple days ago that both of the coolant hoses that fit beneath the intake manifold are leaking. Well, one of them is, but I'm replacing both just 'cause. Is there anything else that I should replace while I have the intake manifold off? (vacuum lines, for example) I don't want...
  12. E46 General
    I recently purchased my second E46 in the fall of 2020. One of the first things I took care of was bleeding the cooling system since I was getting an intermittent coolant light and little to no heat (I believe this gave me heat again for a short period of time). The previous owner had stated...
  13. E46 General
    Fortunately, my cooling system hasn't caused me any issues since my last post about it. However, I'm always wanting to learn more about these cars. I saw a thread somewhere on the internet about overfilling the coolant reservoir/filling it too high. My question is, where does the excess coolant...
  14. E46 General
    hey guys, recently bought a 330ci back in August and I finally saved up enough for some tools and a cooling system refresh kit. Now I originally saw mango's post and the FCP Euro kit which I was set on getting on but I recently came across the ECS Tuning ones and I'm wondering if difference...
  15. E46 General
    My ownership of my 2001 325i has been great, it's probably the most fun I have ever had with a car, and it has turned me into a car/BMW guy. However, there has been a glaring issue with the car since I purchased it back in October of 2018. Coolant is leaking from somewhere and after 2 mechanics...
  16. E46 General
    Hello, :hi: I'm having a very strange problem with my E46 328i(M52TU). Some might say it's a head gasket, others will say its a cracked cylinder head or block. :argue: The problem occurred before 4 months. When i start up the car it miss fired very badly for 15-20 seconds. After that the car...
  17. E46 XI
    Hey guys, I had recently purchased a 2003 325xi (Manual), a little over a month ago. Everything up to last week had been perfectly fine until I was sitting in some pretty bad stop/go traffic and looked down to see the temperature gauge rising rapidly. I immediately pulled over and shut the...
  18. E46 General
    Its a sad day for fanatics everywhere.. Earlier this week my sister's 323 suffered a catastrophic cooling system failure. Was not given any details as to what exactly went wrong however we have been told it will not start and will need a new engine.. This is exactly why we turn our cars off...
  19. E46 General
    So, I just replaced my oil filter housing gasket. I didn't notice anything out of the ordinary, like coolant leaks or other oil drips. All the cooling system parts were in good shape. I did replace the water pump/alternator etc. belt, which was cracked. Soon after that, I started hearing a...
  20. E46 General
    I started my car (2005 325i) earlier today and the low coolant light flashed yellow on the dashboard. I shut the car off and turned it back on and the light disappeared. Fearing that it would overheat and leave me stranded if I drove it to work, I refused to drive the car until I had the issue...
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