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Engine run smooth and is more responsive great product
Verified purchase: Yes | Condition: New
Not possible to assess this product since you have no comparison, ie. performance if you had not added the fuel additive. Car Companies are very vague about the measurable benefits apart from it will probably not do any harm
Verified purchase: Yes | Condition: New
I am using it as a preventative measure. My X3 is less than three years old and has average mileage, so it is unlikely to have many carbon deposits in the first place. However, it’s a good value option from BMW, which I used to avoid compatibility issues. Only time will tell if these additives help, hence the OK / three stars.
Verified purchase: Yes | Condition: New
High quality product
Verified purchase: Yes | Condition: New
good stuff for cleaning diesel feed lines and injectors, well recommended
Verified purchase: Yes | Condition: Pre-owned
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