1: OS before the oil change
Engine flush in the old engine oil according to the product instructions. Then change the oil and filter.
OS: view application →Two tasks. Two stages.
OS or HO: Which product belongs in your oil change?
2: HO after the oil change
Additional care in fresh engine oil for suitable engines. Observe fill capacity, oil level and manufacturer instructions.
HO: view application →BS and DS belong in the fuel system. Motorcycles · Choose a vehicle · Boat engines · Garden equipment · Product documents
Read more: EUROSOL Insider
Four chapters on common engine issues. Free PDF in German, 7 pages.
EUROSOL product guide
Which additive suits your engine?
Select by engine type, intended purpose, and time of application.
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Diesel SystemDiesel System- Regular price
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€29,80 - Regular price
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- Sale price
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€29,80 - Unit price
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€74,50 per l
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Petrol SystemPetrol System- Regular price
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€29,80 - Regular price
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- Sale price
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€29,80 - Unit price
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€74,50 per l
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Oil System Engine FlushOil System Engine Flush- Regular price
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€29,80 - Regular price
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- Sale price
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€29,80 - Unit price
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€74,50 per l
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High Performance Oil AdditiveHigh Performance Oil Additive- Regular price
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€39,90 - Regular price
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- Sale price
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€39,90 - Unit price
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€99,75 per l
Quality over quantity: thorough cleaning and care!
Translated from GermanI am driven by the desire to solve technical problems at their source. When engines stay cleaner and components remain usable for longer, people, technology and the environment benefit. Our customers have valued this for over 30 years, and we regularly celebrate our success together with them!
Helmut Ohnheiser Founder of EUROSOL
Petrol engine vehicles
Care for your car’s petrol engine, from the fuel system to the next oil change.
Fuel system cleaning and engine care
- BS cleans carburettors and injectors in your petrol engine. For a clean spray pattern.
- OS (Oil System Engine Flush) cleans the oil circuit of your car engine before an oil change. So fresh engine oil enters a clean system.
- HO supports lubrication in the petrol engine and helps reduce friction and wear.
Diesel cars and lorries
Care for your diesel car or lorry, from daily driving to long journeys.
Fuel system cleaning and engine care
- DS cleans the fuel system and injectors in your diesel car or truck. For a clean spray pattern.
- OS (Oil System Engine Flush) cleans the oil circuit of your diesel engine and prepares it for fresh engine oil.
- HO helps maintain a lubricating film in the diesel engine and reduce friction and wear.
Motorcycles and trikes
Well maintained on two or three wheels. For motorcycles, trikes, scooters, mopeds and light motorbikes.
Fuel system cleaning and engine care
- BS cleans carburettors and injectors on your motorbike or scooter. Suitable for seasonal maintenance and prior to longer downtime.
- OS (Oil System Engine Flush) cleans the oil circuit of suitable four stroke engines before an oil change.
- HO (High Performance Oil Additive) supplements engine oil care in suitable two wheeler and trike engines. For a smooth lubricating film.
BS (Petrol System)
For petrol engines · before filling upDetails & dosage
OS (Oil System Engine Flush)
Before changing the oil · up to 6 l oilDetails & dosage
HO (High Performance Oil Additive)
After changing the oil · up to 10 l oil
* Do not use HO (High Performance Oil Additive) in engines where the clutch shares the same oil circuit. The increased lubricity can cause clutch slip and loss of traction.
Details & dosage
Garden equipment
Ready for the garden season. With suitable engine care for lawnmowers, lawn tractors and other engine powered garden equipment.
Fuel system cleaning and engine care
- BS cleans the petrol system in your garden machinery, such as the carburettor on your lawnmower. For clean fuel delivery.
- OS (Oil System Engine Flush) prepares the oil circuit of suitable four stroke garden equipment for an oil change.
- HO (High Performance Oil Additive) supplements engine oil care in suitable four stroke garden machinery. For a smooth lubricating film during use.
BS (Petrol System)
For petrol engines · before filling upDetails & dosage
OS (Oil System Engine Flush)
Before changing the oil · up to 6 l oilDetails & dosage
HO (High Performance Oil Additive)
After changing the oil · up to 10 l oil
* Do not use HO (High Performance Oil Additive) in engines where the clutch shares the same oil circuit. The increased lubricity can cause clutch slip and loss of traction.
Details & dosage
Construction machinery
Engine care for daily site work. Suitable for excavators, wheel loaders and other construction machinery.
Fuel system cleaning and engine care
- DS cleans the diesel fuel system and injectors of your construction machinery. For clean injection during work.
- OS (Oil System Engine Flush) cleans the engine oil circuit of excavators, wheel loaders and other site machinery before an oil change.
- HO (High Performance Oil Additive) supports lubrication in your construction machinery engine. For low friction movement and wear protection.
Agricultural machinery and tractors
Proper maintenance throughout sowing, harvesting and transport. Engine care tailored for tractors and farm machinery.
Fuel system cleaning and engine care
- DS cleans the diesel fuel system and injectors of your tractor or agricultural machine. Helps keep the spray pattern clean.
- OS (Oil System Engine Flush) cleans the oil circuit of your farm machinery engine before an oil change.
- HO (High Performance Oil Additive) supports lubrication in your tractor or farm machinery engine. For low friction movement during work.
Marine, yacht and boat engines
Engine maintenance for your time out on the water. From start of season to routine upkeep and winter layup.
Fuel system cleaning and engine care
- BS cleans carburettors and injectors in petrol boat engines. For clean fuel delivery on board.
- DS cleans the fuel system and injectors of marine diesels. For a clean spray pattern in the boat or yacht engine.
- HO (High Performance Oil Additive) supplements engine oil care in suitable marine, yacht and boat engines. For a smooth lubricating film.
Marine engine cleaning: dedicated care for petrol and diesel →
Prepare your oil change properly
Oil change due? What to do?
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Add EUROSOL Oil System Engine Flush to warm old engine oil according to product instructions.
- 2
Run the engine at idle for 10 minutes.
- 3
Change oil and filter according to manufacturer instructions.
- 4
Add EUROSOL High Performance Oil Additive to fresh engine oil according to fill capacity.
Products at a glance
| Suitability and application |
Diesel System
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Petrol System
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Oil System (Engine Flush)
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High Performance Oil Additive
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|---|---|---|---|---|
| For petrol engines | Suitable | Suitable | Suitable | |
| For diesel engines | Suitable | Suitable | Suitable | |
| Add to the fuel tank | Suitable | Suitable | ||
| Add to the engine oil | Suitable | Suitable | ||
| After an oil change | Suitable | |||
| Before an oil change | Suitable | |||
| Clean the fuel system | Suitable | Suitable | ||
| Support the oil film and reduce friction | Suitable | |||
| Prepare the oil system for an oil change | Suitable |