sDrive
The sDrive designation for BMW vehicles was originally reserved for rear-wheel drive models only. Today, you can also find this designation on front-wheel drive BMW models.
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Author: Ing. Jan Sajdl, Ph.D.
Brake disc
The brake disc is usually in the form of a disc or disc that is firmly attached to the wheel hub and rotates with it. During braking, the frictional surface of the brake disc is pressed between the brake pads, thereby producing a braking effect.
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Directional tyres
Directional tyres must be mounted on the vehicle in such a way that when the tyres are moving forward, they rotate in the direction indicated by the arrows on the side of the tyres. The wheels must therefore not be swapped from left to right when changing tyres, as this would reverse the direction of rotation!
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Sedan (Saloon)
Sedan is the designation of a passenger car body type with a stepped rear and a three-door, usually four-door body.
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Fuel filter
The fuel filter protects the internal combustion engine against the ingress of dirt, particulate matter and water. Filtration is usually multi-stage. The first filtration occurs before the fuel pump inlet, followed by the main fuel filter and the filter screen before the high-pressure fuel pump or injector.
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Oil filter
An efficient oil filter is an integral part of almost every engine. A properly functioning oil filter cleans the oil of microscopic contaminants, thus extending the life of the engine.
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Symmetrical tyres
Symmetric tyres are the most common type of tyre used on passenger and commercial vehicles. They are characterized by the best price/performance ratio. It also has the advantage of fitting regardless of the direction of wheel rotation.
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GTX (Gran Turismo)
The GTX designation on the bodywork of Volkswagen cars is intended to refer to the more famous GTI designation and will be reserved for sporty versions of VW electric cars.
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