Cleaner engine
Clean engines work better
BP Ultimate Diesel is formulated with advanced cleaning properties to clean your engine and help keep it clean.
The deposits that ordinary fuels can leave behind on critical engine components - such as fuel injectors - can have a significant impact on vehicle performance, fuel economy and emissions.
Up to four times the cleaning strength of ordinary diesel
With up to four times the cleaning strength of ordinary diesel, BP Ultimate Diesel is designed to clean your engine as you drive, allowing it to run more smoothly and efficiently.
Using BP Ultimate Diesel continuously can help keep the engine clean and remove existing deposits. Independent standard tests show that BP Ultimate Diesel can increase flow across the injector by up to a remarkable 380% compared with ordinary diesel.
These images show two diesel injector pintles before and after running on BP Ultimate Diesel. The pintle on the left is heavily coated in black, carbonaceous deposits and was taken from an engine that had been running continuously on ordinary diesel. In sharp contrast, the one on the right shows how after switching to BP Ultimate Diesel and running for the equivalent of some 700 km most of the existing deposits have been removed.
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Deposit build-up around the injector pintle and nozzle can restrict fuel flow, leading to poor spray quality and adversely affecting the precision of control as fuel is injected into the engine. This in turn can lead to poor combustion. Fuel spray quality is critical to the subsequent combustion process in order that the fuel burns smoothly and completely. An optimum spray pattern is maintained when injectors are kept clean.
The image on the left shows an example of an optimum fuel spray pattern produced by a clean injector. In contrast, see how the fuel spray on the right is adversely affected when the injector is dirty.
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The advanced cleaning properties of BP Ultimate Diesel can contribute to improvements in engine performance such as power output, acceleration, fuel economy and reduced exhaust emissions compared to ordinary fuel.
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