Incorrect fuel in a BMW 745i? Diesel in your Petrol BMW?

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BMW Fuel Drain

ABOUT

Putting Diesel in a Petrol BMW is a well-known mistake. And its solution is dependent upon several different factors. If perhaps you would like to know what it is best to do about this then read on.
Listed here the key variables to to consider when determining whether to get the car drained:

  1. Exactly how much Diesel have you put in to the BMW, taking into consideration that the fuel tank capacity of your BMW 745i is usually around 88 litres?
    1. A small amount of Diesel, something like 4.4 litres of Diesel in a Petrol 745i will in most situations not be a significant problem. Experience has proven to us that an amount under 4.4 litres (close to 5% of the whole fuel tank) is sometimes capable of being sufficiently diluted by means of completely filling up the remainder of the tank with Petrol.
      It's rather uncommon to find a car or truck experiencing problems with less than 5% wrong fuel contamination. Remember that it is infrequently found - certainly not impossible to find. You will discover a few automobiles that will not endure any degree of fuel contamination at all.
    2. Anywhere between 4.4 and 8.8 litres of Diesel in the BMW (from 5 to 10%) is more of a 50/50 condition. Our expertise has demonstrated that as many motorists get away with it as all those who break down. Whenever deciding upon whether to chance it and basically fill it up consider that it is exactly like gambling everything on black - you will have a 50/50 possibility of it working out.
    3. Anything over 8.8 litres of Diesel in your Petrol 745i really should right away be drained since your probability of driving with that quantity of contamination is undoubtedly below one in fifty - genuinely huge odds.
  2. Put Diesel in a Petrol BMW and drove it: Have you noted any performance issues since putting the bad fuel in your 745i? If that's the case, have it removed regardless of the quantity of Diesel or the contamination percentage. Continuing to run running an automobile that is beginning to suffer from the effects of fuel contamination can only cause progressively more damage being done to your fuel system parts.
  3. Would you like reassurance?
    Then get it removed. Whatever the contamination ratio, there is always some extent of threat in connection with running a Petrol vehicle on Petrol contaminated with Diesel. Probable final outcomes of driving on the incorrect fuel include things like the engine refusing to start, running lumpy, losing power, wearing of the high-pressure pump, worn or clogged injectors, and the like. These are some of the most typical Diesel in Petrol warning signs, and in the event that you notice any of them then cease driving and get it removed asap.

Avoid getting any unqualified mechanic to attend your car. We are BMW experts and have the accreditation and experience needed to make certain you are back on the road with little hassle or worry.


Put Diesel in a Petrol BMW

By mistake put Diesel in a Petrol BMW? Or possibly even put contaminated fuel in your BMW 745i?

Contact us for Help & Advice

Contact us and get sincere recommendations and sensible help for your exact situation

We come out and drain it

We are able to go to you to carry out the fuel drain & flush there on scene

Once completed You Get Going Once again

Once we are done you are able to get back on your way and get on with your trip

Wrong Fuel Drain Specialists

We are the top rated wrong fuel drain professionals in the UK, boasting nationwide coverage, for BMW motorists particularly. We predominantly fix:

  • Unleaded petrol in Diesel Car
  • Diesel in your Unleaded Petrol Vehicle
  • AdBlue contamination
  • Water fuel contamination

We are BMW specialists and have successfully drained hundreds of Petrol BMW vehicles. Regardless of whether it's roadside, on a station forecourt, or even at home, we can get you moving again.

The Procedure

The technique of draining Diesel from a Petrol car is essentially identical for virtually all vehicle makes. As you can imagine it can differ to some extent as each make has their particular fuel system. Even so it still essentially adheres to the following principles:

Petrol in Diesel BMW

Fuel Drain

Empty the Fuel Tank

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Wrong Fuel Drain BMW

System Flush

Clean out the fuel lines & pumps

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Petrol in Diesel Drain BMW

Vehicle Restart

Get the car up and running again

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Diesel in Petrol Questions

When someone has put Diesel in a Petrol car they have a few very common questions. So we have compiled a list of the most Frequently Asked Questions for you

I put Diesel in a Petrol car and drove it. What do I do?

Answer

Turn off the car as soon as possible and call us. Continuing to run a vehicle on the wrong fuel can potentially damage it. We will be able to give you advice and assistance based on your circumstances

Will driving a Petrol car on Diesel cause damage to it?

Answer

It can. However, if the problem is caught and remedied quickly the risks will be minimal. Of the 1,500 vehicles we attend every month, less than 0.5% have suffered and substantial damage requiring parts replacement.

How much Diesel can I get away with in a Petrol car?

Answer

The safe answer is none. However you might be able to get away with a very low contamination ratio. That being said, we always highly recommend draining anything over a 5% contamination ratio asap.

I know about petrol in diesel, but what about Super Unleaded?

Answer

Putting Super Unleaded, or Shell V-Power, BP Ultimate Unleaded, etc, will have the exact same effect as putting regular unleaded petrol in your diesel car and will need to be drained out and flushed.

Will getting you to do a fuel drain void my warranty?

Answer

No! The EU Block Exemption Regulations clearly state that "the work can be carried out by as long as that garage uses manufacturer approved parts and correctly follows the manufacturer's service schedule."

Can I top it up with Petrol and add some 2-stroke oil?

Answer

This might work on some vehicles in some cases, but in the majority on instances it won't and you risk damaging the Lambda sensors as well as fuel pump and injectors, just as a regular misfuel.

Contact Us

Should you have any enquiries or require some help please Contact Us!
We can get you moving again.

24 hour BMW Helpline

0333 366 0103

Our Corporate Office

Fuel Fixer Ltd, Linx House, 147 London Road, East Grinstead, RH19 1ET

enquiries@fuelfixeruk.co.uk

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