Bad fuel in a BMW x5 D? Petrol in a Diesel BMW?

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Putting Petrol in a Diesel BMW is a common error. And what you should do about it is based on a variety of factors. In case you would like to find out what you have to do to sort it out then continue reading.
These are the key factors to take into consideration whenever choosing whether or not to have a fuel drain:

  1. What level of Petrol did you put in to the BMW, taking into consideration that the fuel capacity of your BMW x5 D is most likely about 93 litres?
    1. A modest quantity of Petrol, as little as 4.65 litres of Petrol in a Diesel x5 D will quite often not be a significant problem. Experience has proven to us that an amount less than 4.65 litres (almost 5% of the entire fuel tank) is generally able to be adequately diluted by wholly filling up the remainder of the tank with the appropriate fuel.
      It's highly unusual to find a car experiencing problems with less than 5% wrong fuel contamination. Be aware that it is very infrequent - not impossible to find. There are a number of cars that don't endure any amount of contamination whatsoever.
    2. Between 4.65 and 9.3 litres of Petrol in the BMW (from 5 to 10%) is a 50/50 situation. Our working experience has shown us that as many people get away with this as those who break down. When deciding on whether to risk it and basically fill it up bear in mind that it is exactly like betting everything on black - you have got a 50/50 chance of it working out.
    3. Anything over 9.3 litres of Petrol in your Diesel x5 D ought to straightaway be drained out as your probability of getting away with that amount of contamination is almost certainly below one in 50 - definitely huge odds.
  2. Put some Petrol in a Diesel BMW and drove it: Have you seen any performance problems as a result of putting the bad fuel in your x5 D? If so, get it removed regardless of the volume of Petrol or even the contamination percentage. Still driving a vehicle that is currently starting to suffer the effects of wrong fuel contamination can likely be responsible for more damage being done to your fuel system components.
  3. Do you need security?
    You should get it drained. Regardless of the contamination percentage, there is always some extent of threat in connection with operating a Diesel engine on Diesel contaminated with Petrol. Likely results of driving a car on the wrong fuel can include the motor not starting, running lumpy, losing power, wearing of the high-pressure pump, worn or bunged injectors, and so forth. These are several of the most typical Petrol in Diesel signs and symptoms, and should you detect any of them then stop and have it drained immediately.

Do not just get any unqualified mechanic to try to repair your car. We are BMW experts and possess the skills and expertise necessary to ensure you get back on the road with minimum hassle or trouble.

Put Petrol in a Diesel BMW

Inadvertently put Petrol in a Diesel BMW? Or possibly even put contaminated fuel in your BMW x5 D?

Call us for Help & Guidance

Contact us and get genuine recommendations and practical help for your exact situation

We arrive and drain it

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

All done & You Get Moving Again

Once we have completed you should be able to get back on the road and get on with your trip

Wrong Fuel Drain Specialists

We are the leading wrong fuel drain authorities in the UK, offering national cover, for BMW motorists in particular. We primarily deal with:

  • Unleaded petrol in a Diesel Car
  • Diesel in your Unleaded Petrol Auto
  • AdBlue contamination
  • Water contamination

We are BMW specialists and have successfully drained thousands of Diesel BMW vehicles. Whether it's at the roadside, on a station forecourt, or even at your house, we can get you on the road once again.

The Process

The process of getting rid of Petrol from a Diesel car is basically identical for a large number of vehicle makes. Needless to say it does differ a bit as each manufacturer has their own fuel system. However it still basically observes the following guidelines:

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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Petrol in Diesel FAQs

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

I put Petrol in a Diesel 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 Diesel car on Petrol 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 Petrol can I get away with in a Diesel 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 Diesel 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 concerns or require help please Contact Us!
We can get you moving once again.

24 hour BMW Helpline

0333 366 0103

Our Business Office

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

Weekdays: 9am to 5pm

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