We are a lot more persons to desire to accomplish the routine service of our Bmw Z4 by themself, indeed, the labour in mechanics is very pricey and the least simple service can quickly exceed 100€. The recent automobiles are more and more complex and we can not accomplish all their routine service, but some works like servicing its Bmw Z4 can be carried out without too much difficulty. We are going to help you on this web page to choose the best engine oil for your Bmw Z4 , this will enable you to do your oil replace without any headache and to ensure you an optimum engine unit behaviour. To achieve this, firstly, we will see how to choose the right engine oil for your Bmw Z4 , then, in a second step, which are the 3 best engine oils for your Bmw Z4 , and finally, we will end with some recommendations on how to choose your engine oil.

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How to select the best engine oil for your Bmw Z4

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We will so commence our article with a small buying guidebook to help you choose the best motor oil for your Bmw Z4 with peace of mind. To get this done, we will check out the criteria that differentiate the sort of oil and then we will check out the different types of motor oil. No matter the reason, you should know that if you choose your engine oil correctly, furthermore to preserving it, you will lower your consumption and your CO2 emissions.

The criteria that differentiate engine oils for Bmw Z4?

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The role of the engine oil in your Bmw Z4 is to lubricate your engine unit to assure that all the gears in it can run properly , and to preserve the integrity of each of its elements. Furthermore, this oil, which will limit all friction, will have other tasks such as preventing corrosion, helping to dissipate heat in the engine unit and ensuring sealing . These oils can be bought in 5 litre cans. We will now check out the different criteria for purchasing engine oil for Bmw Z4 :

  • The cold viscosity of engine oil for Bmw Z4 (number in front of the letter “W”, which stands for “Winter”): This value will reveal the engine’s ability to begin cold based on the viscosity of the oil. 0W means -30°C; 5W means -25°C, 10W means -20°C and 15W means -15°C. It is consequently up to you to change it to the temperature in which you drive your Bmw Z4.
  • The hot viscosity of the engine oil for Bmw Z4 (value following the “W”): Value between 20 and 60, it is necessary to keep in mind that the higher the value, the thicker the layer of oil you will have when hot to protect your engine unit, and the lower the value, the less friction you will have when hot and consequently lower your consumption. However, if you use your Bmw Z4 in the city, or with a sporty driving style, it’s better to protect it although hot.
  • The specifications : They are written on the back of the oil canister you can find them such as “ACEA C1 – C4” or “VW 500. 01”, are only specifications of compatibility with different brands of cars, you have to check in the instructions of your Bmw Z4 that the oil in question is compatible with your engine unit.
  • Oil brands: Please take note that the brand should have very little effect in your reasoning, there are enough objective criteria in the composition of motor oil for Bmw Z4 to avoid having to focus on a subjective qualifying measure such as the brand, some car manufacturers have partnerships and will encourage you on certain brands, but it is not required to follow these recommendations.

The different types of engine oil for your Bmw Z4

  • “Mineral” engine oils 15w40: They are named mineral oils because they are specifically consisting of crude refined oil, which will give them maximum viscosity and consequently a thickness suitable for old engines that often consume oil. On the other hand, the fact that they are natural will trigger them to lose their lubricating properties more quickly, so it will be required to shorten the intervals between oil changes.
  • Semi-synthetic 10w40: This oil has a good quality/price ratio and is said to be semi-synthetic because it is still composed of several elements that will boost its life expectancy. It is thus suggested for a polyvalent use of its car. Moreover, it favours a simpler cold begin than a mineral oil. However, you should remember to replace the oil every 10, 000km.
  • The “synthetic” oil 5w40: This type of oil is really adapted to the recent Bmw Z4 engines, indeed, the protection of the engine unit will be maximum and the cold begin too. It is consequently a good choice either for people who drive in city centres, who have a sporty driving style, or who drive long distances and want to limit the frequency of their oil replace.

The 3 best motor oils for Bmw Z4

We now commence our second section in which we will focus on the best motor oils for Bmw Z4 , we will present our range and direct you to the best dealers so that you can make your decision in the best conditions. We have done it a point to present only oils adapted to your Bmw Z4, so you will not actually find “10w40” in our selection.

Best Low-Cost engine oil for Bmw Z4

We done the choice to select the two best engine oils for Bmw Z4 lowcost, so that corresponding to your needs you can make your choice.

Castrol GTX 15W40

This quality oil will enable you to replace or top up the oil level of your Bmw Z4 with complete peace of mind at an unbeatable price.
Benefits: 

  • Value for money
  • Perfect if your engine unit begins to get miles on it.
  • Mineral quality.

Inconvenience

  • Periodicity of emptying, about 10, 000km
  • Cold begin ability if you live in a cold region

Mobil Super 3000 5W40

A prestigious brand that offers you a kit to do your oil change plus an additional 1 litre that you can use to check the oil level of your Bmw Z4.
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Benefits:

  • A 100% synthetic oil that will last with time.
  • Suitable for intensive use of your car.
  • Price.

Disadvantages:

  • Less suitable for older engines.

Best mid-range engine unit oil for Bmw Z4

Mobil Super 3000 FE 5W30

This synthetic oil is unbeatable value for money and will protect your engine unit, turbo or injection.
Benefits

  • High quality synthetic material that will enable you to space out your drains.
  • A price for this interesting quality.
  • Appropriate for all sort of pipes

Inconvenience

  • Less suitable for older vehicles or vehicles with quite a lot of mileage.

Best premium motor oil for Bmw Z4

Castrol Edge 5W30

A premium synthetic motor oil to protect your Bmw Z4 from friction, even in the worst conditions.
Benefits

  • Top of the range engine unit oil suitable for all engines from Bmw Z4
  • Startup under all conditions.

Inconvenience

  • You’re not gonna be able to get the price.
  • Not suitable for older vehicles

Castrol Magnatec 0W30

An ultra-synthetic motor oil for your Bmw Z4 which will be adapted to the most demanding engines such as those equipped with Start and Stop.
Benefits

  • Cold start under the worst conditions.
  • Appropriate for the most demanding engines.
  • Suitable for engines pre-loaded with Start and Stop

Inconvenience

  • You’re not gonna be able to get the price.
  • Not suitable for older vehicles or engines with more than 200, 000 kilometers

A few suggestions on choosing the right engine unit oil for your Bmw Z4

And to end this article, we will give you some recommendations on how to make good use of the motor oil in your Bmw Z4, and make the right choice when you buy it:

    • Take note that an open can of oil should be disposed of after one year and not be used anymore because it loses a good component of its capacity and may damage your engine unit.
    • Observe the instructions of the oil suppliers and car manufacturers and use only oils compatible with the engine unit of your Bmw Z4

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  • The oil replace intervals announced by the engine unit oil manufacturer are important, do not exceed the mileage indicated on the canister between each oil replace

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Whenever you have any additional questions about the Bmw Z4, do not hesitate to consult our Bmw Z4 category.