E90 losing coolant

E90 losing coolant. If the cooling system isn’t perfectly airtight, some coolant may evaporate slowly over time. I have had about 3 low level warning lights in a space two of weeks. 2017 330i Sport. RPMs vary up and down for about 10 seconds (1,200 - 600), feeling rough, then it smooths out and idles at ~ 600 rpm. Denver_J. Last week, on a routine check at home, the coolant level was low again but by about 400ml. Test drive does not bring the Engine Malfunction back. No visible leake anywhere in engine bay. I had a water pump fault and the pump was replaced, but issue not solved. Start the engine and wait until you see coolant coming out of the small hose at the top of the reservoir, then close the cap. Coolant flange: R282 3. That is coolant after it has dried or exposed to air or whatever. No smell , no leaks just slow escape. They had me bring it back in and turns out the reservoir had a split along the welding. Ours started to increase at just past 50k while coolant loss was minimal at 1 qt over 10k miles. The car will tell you when it needs new coolant. 00] OEM coolant is alcohol based I believe and it's noy the same as any ol' collant found at auto stores. Put the front end on ramps or jack it up. Coolant Leaking From The Radiator. Blown Head Gasket: A damaged head gasket can allow coolant to leak into the engine’s combustion chambers. Start with the main culprits water pump and thermostat, expansion tank and coolant lines. The Moroso expansion tank for the E82 128i/135i, E9X 325i/328i/330i/335i, and E89 Z4 is a premium, race-quality reservoir with a sight glass for easy fluid level inspection. Same here - I have to add about a ~ pint every 2- 2. The coolant will pool/puddle into some recesses on top of the engine block and either evaporate or blow off before it makes it to the driveway or belly pan. It is very hard to see. Most pumps are located on the lower passenger side of the engine, by the radiator. 4. The float should only reach the top of the opening. We had a steady/slow coolant loss until past 90k when it we lost 1qt in only 1500miles. The loss is easy to identify. Title really says it all Yesterday I took on replacing the oil filter housing gaskets in my 2013 335i RWD (F30, N55). 3. After fixing the leak at the drain valve, I wouldn’t be surprised if you see more of a leak from your radiator: The drain valve leak was a pressure-release, and pressure will find the next weakest link. May 11, 2020 · Location: United Kingdom. Radiators have multiple passages of metal hoses that the coolant travels through to lower the fluid’s temperature. On the way into work this morning I was pulling into the lot I park in and noticed a wisp of steam from the passenger side of the hood. If you will notice that the temperature is rising repeat these steps. The leak is visible when I open the hood to check after 10 kms cold morning drives to work, when I drive back home Dec 5, 2016 · Drives: RWD 528i N52. Been losing 500ml coolant weekly. iTrader: ( 0) Check the hoses going from expansion tank and in/out from the radiator (the hose connector to the Tstat housing is sensitive, marked in blue). Jan 23, 2018 · My coolant level runs just slightly below the MIN level all the time. 1) Remove the engine underpan. Take off the fill cap. Apr 13, 2012 · Then wait for all the water to drain out, it may take about 10 minutes. I know BMWs are notorious for water pumps failing, but I didn't see any Mar 1, 2016 · Mar 1, 2016. #5 · Jun 3, 2015. May 15, 2013 · E90 330d LCI losing coolant. If you have a Windows 10 Laptop, you can download BMW Standard Tools FREE, which includes INPA that can read ALL codes in ALL Jan 13, 2005 · Losing Coolant Jump to Latest Follow 5K views 4 replies 3 participants last post by peterkulesza Jan 14, 2005 Feb 27, 2023 · My dad drives a 2006 323i E90 Auto. 7) Top off the coolant. After a 10 min drive, coolant reservoir makes a hissing/boiling noise. Aug 23, 2009 · But yeah- don't leave it low. #2. Turn the heating on full in the car and pour the required ratio of water to Coolant into the Radiator. Never let your coolant run significantly low (like over 1/3 empty), even if you're in BFE & have to put water from a lake in there. Wasn't white in colour in my previous 325i, so, when I saw this on my 335, my first thought is "milky coolant ". Look at the side of the reservoir to see the current coolant level. 1. We troubleshot the leak with the car in idle. I took the car to a ex bmw mechanic who claimed claimed the issue to be on some seals on iTrader: ( 0) White smoke and coolant light on. #1. Most BMW radiators also have plastic end tanks attached on both sides. When tested with pressure tester at 15 psi, it held overnight. The head gasket seals both coolant and lube oil galleries in the head/block interface. 2) Move the steering fluid cooling hoses out of the way. However if the light reappears in a short space of time have a pressure test. 45/55 mix won't make any real difference from 50/50. Location: Alexandria, Virginia. Drain cooling system. Most BMWs are known for their brittle cooling system components. I opened all 3 bleed screws and pours the coolant in until coolant started coming out of the 2 near the motor. If the EGR cooling system develops a leak, water can escape into the recirculating exhaust gas, and pass through the engine, and disappear out the exhaust pipe, with virtually no symptoms, except of course for gradual coolant loss, the cause of which can be hard to diagnose. 4) Open a hose to drain the engine block (the N52 doesn’t have a block drain) 5) Refill the coolant. Yesterday at 5:10 PM. Location: Midlands. I have replaced the thermostat and I topped up with BMW coolant. 00] Coolant Overflow on the Way to Work. Through the hidden OBD menu, I checked water temp, it was 103 C while drifting and like 93 C when going home. Mar 12, 2023 · Apologies in advance but trying to give as much detail. Start your car. The most likely areas where the leak is coming from given your leak location is: leaking water pump. As the title states, my 2008 335i says "Coolant Low", but there dont seam to be any leaks. There are usually markings indicating the minimum and maximum levels. 2041 posts · Joined 2011. Dec 26, 2019 · What happens…. no fault codes besides the catylitic converters but I’m very slowly losing coolant. #18 · Oct 27, 2023. more. I drove home from dealership (5 miles) and when I went to start it the next day the coolant light came on. Prior BMW's. 3) Drain the coolant. 10. The car was just repaired days ago for leaking coolant. I just installed INPA and I am awaiting for my cable to arrive. The yellow ''Coolant Low'' light appeared 13 months after a new radiator was fitted. Just put in some distilled water, or filtered (preferably reverse osmosis) in a pinch. Before it fails, replace your old plastic unit with this high-quality, durable aluminum piece from Moroso. Cooling system is under pressure , even thou the car is not running and the engine is cold both inlet and outlet hose is hard. Most likely a failed head gasket. Coolant leaks whenever the car is running and then for a while after shut down. I topped it off to MAX, checked 3K miles later - again at MIN mark. I stopped the car, switched it off, then started again, and the light went away. I have received conflicting information saying that it is ''normal'' to use a bit of coolant. Garage List. About a month ago I got a low coolant warning light, and when the engine cooled off I checked, and it was low. Nov 26, 2023 · E90 / E92Model Year: 2007 - 2013. Nov 11, 2014 · BMWs have multiple components in their cooling systems and any of them could cause a leak, however the most common of coolant leaks are caused by a failed Coolant Temp Sensor located (in most cases) in the lower radiator hose. After a couple of days it went low again so I topped it off with distilled water yet Aug 7, 2019 · Hey All, My Car: 2011 E90 BMW 328i sedan with N52 engine. Be sure to work with a cool engine and confirm the cooling system lacks pressure before opening cooling system. maverick328; Jun 8, 2023; 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30) Replies 6 Views 821. To reassemble your device, follow these instructions in reverse order. Losing coolant after Oil Filter Housing Gasket replacement. On E90 Models sold in US, Coolant Pump can be activated by simply switching on Ignition (do NOT Start Engine) and pressing throttle to floor for ~ 10 Seconds. (This step is advised but not necessary. #17 · Dec 25, 2019. Don't take shortcuts if you want to keep the car. 2. My 2009 E90 Sedan appears to have a problem which seems difficult to pinpoint. Start at the top and work your way down. E90 N54 engine has no overheating problem but every few days low coolant level light came up and we had to add coolant mix. 6) Vent the coolant – bleeds the air out of the system using the water pump. Over time, this seal dries out and leaks coolant from the pump housing. Join Date: Mar 2014. Photo taken from beneath the power steering pump. D. Regardless, the moment you notice any signs of coolant loss and no leaks are visible, you should check the reservoir before driving any further. - Immediately pulls over in about 100m switches car off. I have no idea where the leak came from due to limited visual access but I can confirm it is from one of the water pump components. Join Date: Mar 2013. I considered a head gasket leak, but I'm not seeing any other symptoms besides the disappearing coolant. I just noticed. Blown head gasket: A damaged head gasket can allow coolant to leak into the combustion chamber, leading to coolant loss without visible external leaks. Turn on heater at the lowest fan setting, 3. iTrader: ( 0) E92 330d SE M57TU2 Coolant Change Confusion! Hi All, This is my first post. I used to top it up from time to time but it always ends up going down to the same level just below the MIN. No leak. Kids, pre-emptively replace the known failure points on your E90! I bought an '11 328i with 95K on the clock at the end of last year and ordered the parts to refresh the cooling system, thinking I had plenty of time. The car has a fairly new waterpump, thermostat, radiator and oil cooler. So i just had the water pump and thermostat replaced in my 2006 325i a little over a week ago. Under acceleration or when revving, there is water coming out of the exhaust- must top up frequently. I've been using this forum as a source of information for my 2008 Pre-LCI E92 330d Coupe to carry out maintenance work. G22Model Year: 2020 + Previous Generations; F32 / F33Model Year: 2013 - 2019. Jun 2, 2022 · 5) Determine if Coolant Pump can be "Activated" or Triggered. Jan 25, 2013 · E90 330d LCI losing coolant. Be careful when working with coolant. It is pois May 2, 2024 · Step #1: Check Coolant Reservoir Levels. Jan 15, 2024 · In this article, I'll go over the steps involved with replacing the radiator on BMW E90 models. glycol doesnt evap as easily Paul-Ramsden. As far as running the water pump with distilled water, well that did not hurt my pump from months ago, as I switched to Audi G13 coolant to keep just one type of coolant on the shelf. The coolant loss rate is very inconsistent and this warning came up on 2 separate occasions in the past 6 months despite bi-weekly check and top up when necessary: 2. 5. M4. A worn water pump can develop leaks in two ways: 1. The engine should be started and given time to reach working temperature. i5 / 5. If you struggle to see it at first put a small amount of coolant in and see where it comes out. G60Model Year: 2024 + Oct 12, 2014 · 2007 BMW E90 N46B20. System has been checked and there are no leaks. Feb 20, 2022 · In this video I work on a Bmw 3 series e90 N46 engine losing coolant, coolant had to be topped up every few day and I should what the problem was and how to fix it. I serviced my 320d 2 weeks ago and in the process topped the coolant up. Hi all. May 3, 2024 · I also had my coolant flange replaced earlier this year as I've experienced major coolant loss too. Interesting the coolant flange is available locally, so I am assuming it is not an uncommon problem. BMW--giving new meaning to the phrase "disposable income. Jan 1, 2021 · A simple P-code reader will read MOST all of the Fault Codes that may be saved in the DME (Engine Control Module). 157 posts · Joined 2014. 2) put key in the ignition (if you don't have comfort access) 3) DO NOT PRESS THE BRAKE PEDAL, but press the start button untill all your accessories come on. I put the cap on and let the car idle for about 10 minutes. 2007 335i Coupe [0. Quick synopsis: - Wife called me plumes of white smoke behind car. Mar 28, 2016 · Coolant leak 2011 335i PLEASE HELP!! I sent a page long email to the corporate office customer relations and the general manager, and the general service manager, in the meantime, the coolant light came back on this morning. I already replaced my radiator and some upper hoses a few years ago so I’m guessing it’s the lower hose. Coolant expansion tank hose shears off. maverick328 said: Hi everyone, As the title says, I have lost at least 750ml of coolant over the last 8 days or so. Set the fan speed and the heat to their highest settings. Glad that there is someone who can confirm his floating rod too. I brought it to my local trusty gas station, since my BMW place is closed on Saturdays, and asked if they could take Apr 29, 2010 · E90/E91/E92/E93 (2006 - 2013) bring it to the dealer. Sep 14, 2021 · Yes, diluted the full strength coolant to 50/50 with distilled water. Exploration of hidden leaks and the impact on engine performance. Oct 5, 2008 · I'm losing coolant but don't see any leaks. Location: NJ. From plastic water pumps to plastic radiators and hoses, you never know what is going to lea Jul 16, 2017 · I am hoping someone can help me get to the bottom of my issue. #3 · Feb 18, 2016. Jan 12, 2015 · Jan 12, 2015. Current BMW's: 2020 540i MSport. Had it checked 2x by the dealer during the warranty period and each time conclusion was that "no leaks detected - topped off coolant" . B. Today I followed a DIY (after reading through many) to drain and fill my coolant. I have done more than 1000kms in temps. Thank you all. Sep 28, 2009 · Coolant is disappearing, 2 No visible external leaks, 3. #8. E90 iTrader: ( 0) e92 N54 is losing coolant fast, but no sign of leak. •. 9. F40Model Year: 2019 + E90 / E91 / E92 / E93Model Year: 2006 - 2011. Next close and tighten the bottom blue drain plugs (not too tight). I lose like half a litre each 300-400 km, and even more if I drive hard. G22Model Year: 2020 + Aug 12, 2023 · Step 3: Check the coolant level. Mar 3, 2015 · E90 330d LCI losing coolant. Ideally, you inspect your car’s coolant levels regularly, at least once a month. 5 litre of Collant to 3 litre of water, so to get the Been there done that. Basically you fill it up with the bleeding screws open, then close the screws but leave the cap off. E90 / E91 / E92 / E93Model Year: 2006 - 2011. After the change, getting the dame noise. Now, there’s a few ways this can happen: Coolant expansion tank spontaneously explodes. For no great reason today except boredom, I pulled down my box of parts that had been Feb 28, 2022 · 330d Hard Plastic Coolant Flange Leak - Replacement / Intake Manifold Removal? Hi all, I've spent ages searching online but can't find an awful lot of info on this, I have a bad coolant leak from my hard plastic coolant flange pipe - part number 11127810707 (number 11 on the Realoem diagram below - labelled as 'Connector') My car is an F31 330d. Like. However, the 5 Hex-codes: 2E81 - 2E85 related to Coolant Pump issues CANNOT be read by a P-code Reader. I had an oil change scheduled for later in the week, so I had the dealer top it off with BMW coolant Jun 8, 2023 · Jun 8, 2023. - No low coolant warning light and straight to high Temp (Thermometer with squiggly lines below) May 9, 2023 · 5) Evaporation. I have a coolant leak on my e90 320d n47 apparently coming from the coolant flange on head. I used a paper towel and syringe and sucked coolant. 5-3k, but don't run it long, the engine heats up quickly. 8 posts · Joined 2014. After it occurred for the second or third time I splashed 1-2 ounces of bottled water into the reservoir, which was sufficient to turn off the warning light. If it’s malfunctioning, it can lead to coolant not circulating properly or leaking out. Conclusion. Tried to wash the porch but the coolant stained spot remain wet long after other areas of the porch has dried up. E46Model Year: 2000 - 2006. iTrader: ( 0) N52 Burning Coolant. Jul 26, 2011 · I hope it's something obvious and easily found (and not leaking too fast!) Get the coolant topped up, run the car a bit, and check it again once it's cooled down. Jan 16, 2014 · 1) Unlock your car. More popular method for the N54 crowd, but some N52 report success with this method too. Apr 7, 2022 · E90 coolant system caution and a question. Leaking shaft seal – The water pump’s metal impeller shaft passes through a rubber seal. Give the author +30 points! Dec 25, 2020 · Get an engine oil analysis and look at the sodium value. G60Model Year: 2024 + Feb 26, 2020 · Draining and filling your cooling system is a maintenance requirement as well as being part of many repairs. [0. Feb 18, 2016 · If so, your reservoir is overfilled. The N46 has a mechanical coolant pump driven by the belt, so the bleeding procedure is different. Mileage: 108k km. Good luck! E92 335i N55 coolant leak? Bimmerpost ☰ Model Selection. Engine Whisperer. touching 40 without any loss. I had the water pump/thermostat changed from an independent BMW mechanic, who fixes all the BMWs in my household and I recommend him. Jan 10, 2023 · Wanting to share here. 12 Connector 1 11127810707. E90 electric water pumps doesn't leak coolant, they stop pumping Oct 6, 2016 · Hi guys, I'm losing coolant fluid on my 2011 E90 330i. Sodium made a big jump at the same point. No contamination in the lube oil system . 2018 340i RWD 6MT MSport. No smoke emmiting in the exhaust. Press and hold your foot on the gas pedal for roughly 15-20 secs and that should turn on the water pump. If so, do a flush. It is common for the light to come on during a temperature change to cold weather due to contra Nov 27, 2023 · Exploration of factors contributing to coolant loss without apparent leaks. I had my water pump and thermostat replaced at 72K; and now at 90K, I have a massive coolant leak somewhere when the system is under pressure. Checked and couldn't even see the float and proceeded to add 3+ cups of coolant/water mix. E46Model Year: 2000 This video explains how to check and add coolant to your BMW. tdi_stig. iTrader: ( 0) Thanks. Had the car checked, fair enough the water pump code came up. It is on the driver side in between the radiator and the engine (very difficult to see from the top) and it sprays coolant/steam all over the serpentine belt causing it to squeak. 00] Coding to display coolant temp. The expansion tank drops in like an OE reservoir and includes a Oct 24, 2020 · The short version of the story: If you get a low coolant indicator and your reservoir does not appear low, reach out to your dealer to see if the campaign is still open on your VIN. Recently my belts have started squeaking so I've just had a look and there is a puddle of coolant at the bottom of the engine bay and what looks like coolant down the front of the engine. No over heating or performnace issues. The Silent Culprit. 5 litre of Collant to 3 litre of water, so to get the If so, do a flush. Jan 23, 2016 · 2008 335i N54. mindlesssam. My car is burning through its coolant at a rather quick pace, I got the low coolant light the other week and was about 3L low on Jun 3, 2015 · Porando. leaking t-stat. Jul 10, 2014 · Hi, My E90 2008 320i, started leaking coolant from the expansion tank cap/bleed screw just after the tappet cover gasket and vacuum pump o-ring change service. Checking the sensor for a leak is simple, just open your hood and look down at your lower radiator hose, find the Mar 10, 2009 · Let me make a couple of assumptions: First you have looked for where the coolant is coming from but can't see it. Oct 27, 2016 · E90 330d LCI losing coolant. ) Open the bleed screw, then add coolant until it reaches the fill line. Today at 6:52 PM. I'm wanting to do a complete coolant flush and change on my E92 and have searched various forums but all give Jun 1, 2015 · Upon starting car, it revs up to ~ 1500 rpm, holds that for about 3 - 5 seconds, then drops to about 900 rmp where it runs VERY rough. Bimmerpost ☰ Model Selection. iTrader: ( 0) 2008 335i says "Coolant Low", but cant find leak. Even if you don’t see a leak on the ground, you could still have a tiny pin hole leak in one of the hose fittings. iTrader: ( 0) Look around all over on the inside of the engine bay, coolant hoses, water pump area, thermostat, etc If there is any coolant spilling out or leaking, you will see a white powder like residue. Oct 12, 2014 · 2007 BMW E90 N46B20. Apparently, the water pump is supposed to come on and circulate Drives: 2015 435i GC. Some Scan Tools specifically for BMW can do that. You can check it sooner with a quick start from cold and couple of revs up to 2. 5 month. G22Model Year: 2020 + 1. Oil can leak into the coolant without any coolant leaks inside the engine, due to the oil pressure being a lot higher than the coolant pressure. See our tech article on cooling system draining and filling. If the cooling components are the original ones, as CNN suggested, change all hoses, radiator, WP, T-stat, pulleys, exp tank & radiator. Oct 24, 2023 · 9732 posts · Joined 2013. losing coolant. I remember seeing a write up where two different types of coolants were mixed it the mixture had strings of "gummed up substance" simlar to jello. Join Date: Nov 2016. yes float is above filler neck so what to do suck out extra coolant u tell me. The coolant leaked into the engine V, plenty of it so Step 7. Aug 1, 2019 · mapp Discussion starter. INPA or ISTA Diagnostic Software (Free Downloads) can do that. Approximate quote (excluding VAT): 1. If the car will run without overheating you're done. Mar 17, 2012 · A small crack enough to open up as soon as the coolant reaches operating temperature and pressure forms, expanding the said crack. The problem is a lot of forums talk about bleeding the lines by turning the ignition on and holding down the accelerator pedal for 10 seconds. If the level is below the minimum mark, you need to top it off. When I replaced Tstat I got a significant leak due I didn't get the o-rings from the Tstat housing right. I can’t see it at all from above but it’s pouring underneath. There are no oil and water mixing in the coolant resevoir, no misfire and no overheating. Wet patch on the porch under the exhaust catalytic converter. its likely just evap loss of the water portion of the coolant mix. If the coolant reservoir is empty and no leaks show, you should not start the Nov 8, 2021 · 2007 e90 320i losing oil. No white smoke from tail pipe, no milky oil and no sustained overheating situation under load. F40Model Year: E90 / E91 / E92 / E93Model Year: 2006 - 2011. Sometimes you actually have a slow leak that allows coolant to seep out of the cooling system in liquid form. COMMON CAUSE OF LARGE COOLANT LEAK ON E90 BMW 328I, 335IIf you would like to help support this channel please take a look at these tools I recommend and use Apr 13, 2012 · Then wait for all the water to drain out, it may take about 10 minutes. This will be written on the Coolant bottle, is 1. Discussion on gradual coolant loss and signs that may go unnoticed until critical. 13 Profile-gasket 1 11127810712. Wednesday at 5:10 PM. I filled it up to the top with distilled water, and everything was fine from there. iTrader: ( 0) E90 320d possible coolant leak. If you don't hear the pump, it's safe to assume it needs replacement. No Visible Signs. If not, just put the reservoir back and refill with 50-50%. External Leaks: Damaged hoses or connections can result in coolant dripping out, leading to visible puddles beneath the car. " G. Jun 1, 2015 · Upon starting car, it revs up to ~ 1500 rpm, holds that for about 3 - 5 seconds, then drops to about 900 rmp where it runs VERY rough. Mar 26, 2015 · I believe I have "imaginary" coolant loss: 1K miles since thermostat (s) and coolant replacement I noticed that coolant level dropped to MIN mark when cold. I have a bad coolant leak on the drivers side low down. For coolant transparent reservoirs, you can check without opening the cap. The main thing I want to program is for the car to display the coolant temp upon start up. My coolant light also came on when driving to work this Sep 12, 2014 · 2006 BMW 330xi. Removing/installing coolant flange: R1733 4. Cracked engine block or cylinder head: These severe issues can result in coolant loss as coolant seeps into the engine’s internal components or leaks into the oil system. Hi all, I apologize if this is a repost, as it probably is but I could not find any recent posts regarding this issue. Nov 8, 2019 · 213 posts · Joined 2017. The radiator on your BMW sits in the front of your car, ahead of the engine, and just behind your bumper. gvelco Discussion starter. maverick328; Jun 8, 2023; 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30) Replies 9 Views 1K. Hey my E90 320d has started to produce white smoke for about 20-30 seconds on a cold start up and has quite a rough idle when cold, when cold it has no power in the low rev ranges, it rev's very slowly to about 3000rpm then just takes off. BMW CCA #584213 Patroon/X chapters E21 build thread. I know the car collects the reading as I currently unlock the menu but it is very annoying holding the odometer button Sep 30, 2022 · Little-known fact: The E90 coolant system is self-flushing. Nov 4, 2017 · If they are leaking it can be very difficult to detect as the pipes themselves are hidding under the intake manifold. I could not find or locate any leaks anywhere. iTrader: ( 1) How many times have you refilled your coolant? Hi, I got the low coolant warning light yesterday, after I spun out from a drift (closed course). Share: Nov 1, 2012 · 2006 BMW 325i [0. Nov 2, 2015 · Location: Australia. Reply reply. - that MIN mark cold fill level is clearly stated on the expansion tank. 4) Set your HVAC controls to the highest temperature on both sides and the fan speed to the slowest speed. J Jan 18, 2018 · iTrader: ( 0) Garage List. #1 · Aug 1, 2019. - Shes super vigilant due to previous “mishaps” on other car. New coolant, bleeding the system doing a post-pressure test: R860 TOTAL EXLCUDING VAT: R4175 Nov 23, 2021 · Location: Stockholm, Sweden. It loses coolant rapidly. F40Model Year: 2019 + Previous Generations E90 / E92Model Year: 2007 - 2013. Remove electric cooling fan. I popped the hood and saw that my coolant overflowed. We spent hrs last night troubleshooting, draining and refilling, dying with dye, etc. I noticed that the tank was low after having the OFHG changed last month, I though it was odd but topped up and drove. Two suggestions for trying to identify a leak in this area . 8. My car has Sep 11, 2023 · The water pump is the heart of your BMW’s cooling system, circulating the coolant through the engine and radiator. Location: Toronto. 00] [0. Jan 13, 2013 · On cold mornings, before the engine warmed up, I would get a low coolant warning. I then let coolant come out of the screw by the reservoir and closed it. Diagnostic/pressure test: R1300 2. Watch your temperature. yes, it seems like the milky colour is caused by the white floating material. The car started showing that it was losing coolant every 3-4 weeks. yw bz hd su co nq bd va nf tl