How do you remove the radiator drain plug in a BMW?
Is it better to drain or flush coolant?
Simply draining the radiator may get rid of most of the old antifreeze but could leave some coolant and contaminants behind, which would then mix with and pollute your new antifreeze and cause overheating. You want a full flush, a forced removal of anything old so you can pave the way for new fluid.
How do I drain the coolant out of my engine?
- STEP 1 – Safety first.
- STEP 2 – Press down on the radiator cap, slowly turn it counter-clockwise until it hisses, wait until the.
- STEP 3 – Place a large container under the drain valve at the bottom of the radiator.
- STEP 4 – Loosen the drain valve and allow the coolant to completely drain out.
What size is BMW drain plug?
It’s a steel drain plug in the standard M12x1. 5x16mm size.
How much coolant does a E90 take?
Engines used in BMW E90 automatic transmission models hold about 8.2 liters of coolant, manual transmission models hold 8.4 liters.
Can a coolant flush damage your engine?
As General Motors alludes to in the publication above, engine flushes can damage your engine. The chemicals in flushing additives can damage engine seals, leading to expensive repairs in the event of an oil leak. These chemicals can also damage engine bearings; turbochargers and other oil-lubricated components.
Can coolant flush damage car?
With modern coolants, flushes likely help the operation of the cooling system and, in any case, do no harm. If enough corrosives build up in your coolant, your metal engine parts can degrade. If enough contaminants build up that your engine freezes, you can end up with irreparable engine damage.
Is it necessary to drain coolant from engine block?
For many cars, it may never be necessary to flush the engine block – it’s only vehicles that aren’t driven for an extended period or go a long time without oil changes that might need a full flush out. The procedure can be quite complex, and for that reason it’s best done by a professional.
Where is the drain plug on a BMW 328i?
Can I do coolant flush myself?
Flush the Radiator Remove the radiator cap and pour distilled water into the radiator until full. Replace the cap, then start up the vehicle and let it run for 10 to 15 minutes. This will work the distilled water into the engine, flushing out any loose debris or corrosion along with the last of the old antifreeze.
Can you just drain and refill coolant?
For most people a drain and refill periodically is all you will ever need. The only time I really recommend an actual coolant flush is if your radiator and cooling system has been contaminated by something (transmission fluid is a common fluid that leaks into the radiator).
Is engine Flush good for engine?
Is an Engine Flush Necessary? A good engine flush can help loosen deposits and dissolve sludge, helping return your engine to like-new condition. However, in old engines with high miles, sludge may be the only barrier keeping oil from seeping through worn or cracked seals.
How much coolant is in the engine block?
How much coolant your car holds and thus will require depends entirely on its engine and cooling system. A relatively small displacement 4-cylinder engine could contain as few as six or seven quarts, while a large American V-8 engine might hold more than 16 quarts.
Do you have to remove thermostat to flush coolant?
No, it is not necessary to remove the thermostat. In fact, some cars you don’t want to remove the thermostat while running the vehicle. The reason for this is that the thermostat can be used to direct coolant flow.
How do I know what size drain plug I have?
Figure 4 Using a 17mm socket, remove oil drain plug. Allow engine oil to drain until it stops dripping.
What size wrench do I need for my drain plug?
Measure the width of the plug at the widest part of the threads. If your plug measures 12mm you will need to start looking at plugs in the size range of “M12 x 1.25 to M12 x 1.75″. The “M12” refers to the diameter you measure from the widest part of the threads on your OEM sump plug.
Does BMW need special engine coolant?
Next, locate the drain plug under the car; it should still be warm from the heated engine. Place a 3/8-inch (0.9 centimeters) socket in the socket wrench, fit it over the drain plug’s nut and turn it counterclockwise. The oil drain plug should open easily, draining the used oil from the engine.
What brand coolant is best for BMW?
BMWs have specific coolant requirements (nitrite and phosphate free) to prevent build-up and corrosion of aluminum components, so not just any off-the-shelf antifreeze will do.
Why does BMW use blue coolant?
Zerex G-48 Formula Full Strength Coolant The ZEREX G-48 coolant is ideal for BMW cars. Designed for both diesel and gasoline engines, the coolant has low-silicate, pH, anti-phosphate technology that protects all metals, like aluminum against corrosion.
What happens after a coolant flush?
We recommend using BMW’s “Blue” coolant in your car because it is silicate & phosphate free, and has a much longer lifespan inside of your car’s cooling system.
What happens when you put 100 coolant in your car?
A mechanic will then finish the coolant flush by adding fresh antifreeze to your engine along with a conditioner that will keep it protected for longer. This process improves the health and protection of your vehicle, so you will likely notice an immediate boost in engine cooling and performance following this service.
Is Blue coolant better than Green?
Pure antifreeze-coolant isn’t nearly as efficient at getting the heat out of the engine as is antifreeze-coolant and water. Running on pure antifreeze-coolant is pure folly and only will hasten your engine’s demise.
How long can you drive with coolant flush?
Both coolants will work equally as well in your Nissan, so in terms of a performance benefit there really isn’t a difference. We personally would probably use Nissan Green as it comes in concentrated form (makes it a bit cheaper) and feel that changing the coolant more regularly is better for preventative maintenance.
How long does a coolant flush last?
Let your engine idle with the radiator flush inside for at least 10 minutes, but time and weather permitting run your vehicle for 3-6 hours with the radiator flush and water solution in your cooling system. This will provide a deep clean and restore your cooling system to top efficiency.