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Read reviews from satisfied Bardahl users.
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BARDAHL, more than 75 years experience

Bardahl has been developing since 1939 oil and fuel additives. Still, the principle is to let combustion engines can operate more efficiently with less wear, friction and maintenance. Meanwhile, the product range includes more than 30 oil additives, fuel additives, diesel additives and cooling system additives.

For all our additives is important to know: if the problem you is not resolved, there will never be no negative side effects. You want to know more? Many consumers are convinced, read the reviews and see for yourself and also save on maintenance costs!
Customer REVIEWS
 
 
Fuel Treatment

Fuel Treatment

A gasoline additive that keeps the fuel system in good condition.
From€ 13,37
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Fuel Injector Cleaner

Fuel Injector Cleaner

A fuel system cleaner for gasoline engines which cleans and lubricates excellent.
From€ 17,97
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Concentrated Fuel Injector Cleaner System

Concentrated Fuel Injector Cleaner System

Highly concentrated fuel additive for fast and effective cleaning of fuel injection systems.
From€ 25,29
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Fuel System Parts Cleaner

Fuel System Parts Cleaner

Removes varnish and gum from fuel systems.
From€ 17,06
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Fuel Water Remover

Fuel Water Remover

Removes moisture from the fuel.
From€ 17,55
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Instead of Lead

Instead of Lead

Instead of Lead must be added at each refueling (10ml to 10 liters of gasoline).
From€ 17,48
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Instead of Lead GOLD

Instead of Lead GOLD

Lead Substitute with octane booster. Add every refueling. 1 bottle is sufficient for 80 liters of fuel
From€ 25,47
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Fuel Stabilizer

Fuel Stabilizer

When a (classic) car or motorcycle is not used for a long time add Fuel Stabilizer to the fuel
From€ 21,78
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Octane Booster

Octane Booster

Increases octane rating up to 5 points.
From€ 17,67
Add to cart
Octane Booster

Octane Booster

Increases octane rating up to 5 points.
From€ 27,71
Add to cart
Knock Out Octane Booster

Knock Out Octane Booster

Increases the octane rate up to 7 points with Bardahl Knock Out Octane Booster
From€ 43,20
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E10 Fuel Improver

E10 Fuel Improver

With Bardahl E10 Fuel Improver you can easily tank E10 fuel.
From€ 22,99
Add to cart
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Additives?

To all the motor oil, pertrol or diesel you buy additives are added. Depending on the specification motor oil you buy, there is a certain additive package added. Think of Long-Life motor oil; this oil contains a package of oil additives to make sure that the maintenance interval is extra long.

In the fuel you buy also additives are added for cleaning and lubrication of fuel read more...


In practice

In practice it appears that the fuel additives and oil additives in the motor oil, petrol or diesel are not always sufficient. Below are some common, no special, practical situations where car engines are heavy loaded. read more...
 

Additives

Additionally Bardahl has an extensive range of oil additives and fuel additives which you can use when there are problems or when you want to solve problems. Think of motor leakage (engine stop leak), leaking gearbox (Automatic Transmission Stop Leak / Manual Gear Box Stop Leak), leaking radiator (Radiator Stop Leak), dirty EGR valve (EGR kit), etc read more...