BMW E46 Fanatics Forum banner

coolant

  1. Coolant Recommendations?

    ///M3 Forum
    Hi everyone, what coolant do you all use for e46 M3? My level is a bit low, and while I know I could just top-off with distilled water, I'm looking to get some coolant anyway for the future. Thanks
  2. Strange coolant issue

    General E46 Forum
    Hi all, I’ve got a 2002 M3 but I’m posting in the general forum as the same thing could maybe happen with any model. So the issue. The car has been in storage for a couple of months but I needed it about a fortnight ago. All was good when I put it away and it started and drove fine when I got...
  3. Help my hurting '04 325xi please

    General E46 Forum
    Hey everyone, I'm new here and finally have a chance to say hi :-) So for starters I have a 2004 325xi with 191K miles on a 5 speed 2.5L L6, and she is starting to hurt. There is a coolant leak, not bad yet, but there's a 2"-3" spot under the center front of where the motor is when I park...
  4. No coolant flow to heater core, not the control valve

    General E46 Forum
    Hello, I come to you all with a desperate plea. I have absolutely no clue what is wrong with my E46 right now. (2003 325xi) It has no heat in the cabin. I first tried to see if the ac worked, which it did. Then the heater core control valve, which was fine. Flushed the core, and it was...
  5. Transmission Oil Cooler

    General E46 Forum
    I got a new coolant tank bracket and fan because my fan got ripped to pieces on the freeway and broke the bracket but not the tank, also I got a new oil cooler sensor. Come to find the transmission cooler does not seat on the fittings, it is a crappy doorman product from autozone. Anyone run...
  6. Low Coolant light on, need help

    General E46 Forum
    Hey so i finally got my E46, and my low coolant light randomly lights when driving, and sometimes disappear when driving. I filled the expansion tank with distilled water, around 350ml. (it's on max now) and my car is consistent 12 o'clock when driving (i'm not overheating) but the light...
  7. Pre road trip question. Boston, MA to Raleigh, NC

    General E46 Forum
    Hi everyone, Next month I will be moving from Boston, MA to Raleigh, NC and will be driving my 2005 325i for the 700ish mile / 11 hour trip. I was hoping to get some advice on any general preparations I should do for the car. I plan to get an oil change in the next week or so. In the last two...
  8. Coolant Temperature Rapidly Changing

    General E46 Forum
    A few months ago I had a little scare with overheating. It turns out one of the coolant lines was loose and resulted in coolant leaking out. Everything was fixed but ever since then I've made a note to turn on my obc to the coolant temperature to keep a closer eye on it, which brings us to this...
  9. White Smoke From Exhaust

    General E46 Forum
    Hi All, I'm new to E46 ownership, I picked up a 2000 323ci with 83k a few weeks ago. The car has good service history but hasn't been driven much at all since 2007 (about 2-3k miles a year) I've noticed that when the engine is warm there is white smoke coming from the exhaust, it's only very...
  10. Coolant hose blew of after coolant system overhaul.

    General E46 Forum
    Once again I need advice from this awesome place. I just did an overhaul of my cooling system on a BMW e46 320i Touring -02 Manual Transmission List of what I changed: - Thermostat (Mahle) - Radiator (Hella/Behr) - Water pump (Meyer) - Expansion tank (Meyer) - Plate between radiator and...
  11. Bad headgasket/cracked block: leakdown #s good, but leaks into expansion tank

    General E46 Forum
    I am looking at a friend's 2003 325i (Oct 2002 build date) with 170k miles that has been losing coolant without any external leak and also suffering from intermittent cold start misfires (INPA codes 239, 240, 241, 242, 243; and P1347/P1349 type codes on obdfusion). This car was overheated after...
  12. Help overheating

    DIY: Do It Yourself
    I have a 00 328ci my engine is over heating... and leaking coolant.. the reason this all started is the fan wasn’t plugged in the sensor got unplugged and it over heated and exploded on the side of the road... coolant was everywhere. Since then I bought a new expansion tank and expansion tank...
  13. Help overheating

    General E46 Forum
    I have a 00 328ci my engine is over heating... and leaking coolant.. the reason this all started is the fan wasn’t plugged in the sensor got unplugged and it over heated and exploded on the side of the road... coolant was everywhere. Since then I bought a new expansion tank and expansion tank...
  14. warning light - coolant

    General E46 Forum
    Hi all, the warning light for my coolant comes on (yellow) periodically , stays on for a short time then goes off. I check the levels and its completely full and the coolant seems fine. Also sometimes the warning lights for my rear lights come on too (not the same time as coolant light) then go...
  15. getBMWparts.com | Accept No Substitute: Shop Genuine OEM BMW Fluids!!!

    Site Sponsors News, Sales and Group Buys
    getBMWparts.com | Accept No Substitute: Shop Genuine OEM BMW Fluids!!! Genuine BMW Fluids are developed, tested, and approved for the high-performance components of your Ultimate Driving Machine. Shop and Save on our full line of Genuine BMW Fluids - including BMW Engine Oil...
  16. getBMWparts.com | Accept No Substitute: Shop Genuine OEM BMW Fluids!!!

    Site Sponsor Specials and Sales
    getBMWparts.com | Accept No Substitute: Shop Genuine OEM BMW Fluids!!! Genuine BMW Fluids are developed, tested, and approved for the high-performance components of your Ultimate Driving Machine. Shop and Save on our full line of Genuine BMW Fluids - including BMW Engine Oil...
  17. 2004 BMW 330CI cooling issues

    General E46 Forum
    Hey! This is my first post but I'm gonna try keep this all pretty straight forward. So a few months ago I finally got my Bimmer up, running, and saftied. I realized that my low coolant light was on so went to add coolant but I realized my radiator cap had actually split in 2 pieces, one of the...
  18. Coolant level question for new-to-me 330ci

    General E46 Forum
    Coolant level question for new-to-me 330ci Hey guys, just got my first E46 and am totally stoked about it. It’s a beautiful 2000 323ci w/ 176k miles. I recently checked the coolant level and the red float stick was all the way down (not floating at all/won’t move if you push down on it...
  19. Coolant Leak

    General E46 Forum
    My 328i seems to defiantly have a coolant leak, but I cannot seem to find out where it is leaking from... I can see (what I assume is coolant) sitting in the bottom of the engine bay (on top of the plastic cover) I don't feel any coolant on the upper or lower hoses, so where could it be coming...
  20. The Elusive M54 block Heater.

    General E46 Forum
    Hey New member here, hope this is the right place to post this, so here it goes. I'm Currently living in Manitoba, in a building without a garage, in winter. seeing as temps routinely hit -30c in I've been looking for cold weather starting aids for my 325i. an oil pan heater I have, and it's a...
Top