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Put Petrol in a Diesel BMW 118d Cabrio?

If you've gone and put the wrong fuel in your BMW you probably want to know what you should do about it. The answer to this question depends on the quantity of Petrol you put in your Diesel car.

The first thing we need to look at is the BMW's fuel tank capacity. So, what is the fuel capacity of a 2-litre Diesel 118d Cabrio? The answer is: the fuel tank capacity of most BMW 118d Cabrios is about 51 litres (according to our database).

What to do about putting Petrol in a Diesel BMW will vary dependent on the amount of Petrol used. So, there are three possible scenarios:

(Please Note: These figures are approximates. Running an engine on any amount of incorrect fuel can cause damage, regardless of contamination percentage. Information given here is advice based solely on our customer reports and case histories. Full details should be procured from your vehicle manufacturer.)
  • FIVE PERCENT: If you put less than 2.55 litres of Petrol in a Diesel BMW 118d Cabrio then in most cases, if the car's tank is completely filled with the correct fuel before it is started, it will probably be fine.
  • FIVE TO TEN PERCENT: If you've put between 2.55 and 5.1 litres then you should probably give us a call. This is the grey area where sometimes you can get away with just topping it up, and sometimes you can't. Call us and, with a bit more information, we'll be able to give you the best advice on what to do next.
  • If you've put more than 5.1 litres of the wrong fuel in your BMW 118d Cabrio then you should definitely get it drained. This equates to more than 10% contamination and exceeds any "safe" contamination level.

To be completely sure you are doing the right thing, give us a call. We can provide sensible advice based on thousands of successfully resolved fuel contaminations. Additionally, no matter where you are in the UK, we are able to get a fuel drain vehicle out to you to perform a full fuel drain on your vehicle. And we are specialists in conducting fuel drains on BMWs.

As one of the UKs largest independent mobile fuel drain services Wrong Fuel Drainage Solutions is proud to boast full nationwide UK coverage. We have fuel drain technicians in all major cities as well as a network of subcontractors spanning the length and breadth of the country.

On a vehicle that has been run on the wrong/contaminated fuel we can also:

  • Flush the fuel lines
  • Prime the system with clean fuel (provided at pump price if needed)
  • Purge all contaminated fuel from the system
  • Clear the fuel filter and flush it clean
  • Additive (provided at cost) in the fuel tank to clean and lubricate everything
  • Full diagnostic run to clear any fault codes associated with the misfuel

We provide specialist BMW fuel drain services

Put Petrol in a Diesel BMW
Call us for help with your misfuelled BMW.

Did you know this interesting little fact about BMW?

BMW stands for Bayerische Motoren Werke AG (German for Bavarian Motor Works). BMW is a German luxury vehicle, motorcycle, and engine manufacturing company founded in 1916. The first car which BMW successfully produced and the car which launched BMW on the road to automobile production was the Dixi, based on the Austin 7 and licensed from the Austin Motor Company in Birmingham, England.

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