Is Xenum petrol additive any good?

A friend has suggested that I use the above but would welcome your comments. I drive a BMW 420i cabriolet auto and a Toyota Aygo X auto. I rarely use supermarket petrol and mostly use BP or Jet.

Asked on 28 July 2023 by william smitham

Answered by David Ross
We have no personal experience of Xenum additives so we cannot make a recommendation for them. Some people have good experiences with additives while others say they make no difference. It is highly unlikely to cause your car any problems, so you may want to give them a try. We would suggest recording your fuel consumption over some regular journeys before and afterwards so you can determine if there is any improvement.
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