#Coolant cap bmw series#
Then top up fill level in coolant expansion tank with 100 ml above max.įill coolant expansion tank with 100 ml above max.Ĭlose cap (1) until the arrow marks line up.Fitment includes 99% of all BMW with a coolant Reservoir tank from the E series forward, meaning then fit even the brand New G8X M3/4 with the S58, all B58, etc. (Electric coolant pump was activated and shuts down automatically after approx. The venting procedure is started when the accelerator pedal is pressed and takes approx. Press accelerator pedal for 10 seconds to floor. Set heater to maximum temperature and turn fan down to lowest speed.
#Coolant cap bmw for free#
Note: Do not open the coolant expansion tank cap during the venting procedure. Shop for the best Coolant Recovery Tank And Radiator Cap for your 2007 BMW 328i, and you can place your order online and pick up for free at your local. Have a cleaning cloth ready and mop up emerging coolant. Slowly fill coolant expansion tank up to lower edge of filler neck with recommended coolant.Ĭlose vent screw (1) until bubble-free coolant emerges. Coolant problems on these cars are the worst. VTT-COOLANT-CAP Description VTT is proud to offer our billet replacement for the factory plastic Coolant Reservoir cap. If you have a 335i with the N54 I can tell you that there is a plastic fitting in the front of the block that might now be compromised as it is common for those to fail with regular use. Could take 20-30 minutes, but should wait till it has warmed up to operating temperature and then add 5 minutes.Įdit: I don't know which model you have, but now that you've exposed the coolant system to crazy high pressures you might want to look through all your plastic joints. I did this and was able to put in another liter of coolant before it started to backup into the reservoir again.Īnyways, the bigger point is you should let the car idle in the driveway for awhile and confirm that it has enough coolant before driving. You may also notice dried white streaks on the radiator coming from the cap.
Although it is meant to be a pressurized system, this will help you see if the car has enough coolant, as the moment the car is warm enough to open the thermostat and turn the water pump on, it will suck down the coolant level in the reservoir dramatically. The most common symptom of a bad radiator cap is coolant leaks under the radiator. After you do the bleed, turn the car on and let it idle with the cap off in your driveway. The thread on the cap is also completely fine.ĮDIT: Perhaps I over filled the system? Even though the level was where it should be as indicated. So I've topped off the coolant and will try the bleed process again in the morning when it's much cooler. Any ideas why this would've happened? Perhaps I didn't close the cap properly?Ĭar seems fine but the low coolant light came on.
I took the car out for a drive after all this and while on the road the coolant reservoir cap shot off inside the engine bay. My bleed process was turning the ignition on without starting the car, turning the temp to high for the AC, turning the AC off and leaving the fan on the lowest setting and pressing the accelerator down for 10sec. Couldn't hear any pump noises as the fan is on. I'm quite sure the bleed process worked, as the level dropped after I had done the bleed and topped the reservoir off.
Explore more from the BMW Cooling & Heating. Coolant fluid absorbs the heat from your engine and disperses it through the radiator. I watched a ton of Youtube videos beforehand to make sure that I was hopefully doing everything the right way. BMW Genuine Coolant Expansion Tank Cap (17117639020) available to buy online. So today I did my first ever coolant drain, fill and bleed. BMW Radiator Cap Part Number: 17117639022 Vehicle Specific Other Name: Radiator cap Cap, Filler Cap, Reservoir Cap Replaces: 17-11-1-742-231 17.74 MSRP: 26.93 You Save: 9.
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