SkyEvo.
If you are talking about the function of M mode, the answer would be Manual Mode.:wink:
However, if you are asking wht does M stands for, it means Motorsport.:wink:
BMW M is also known as M-Technik or just "M" (for Motorsport) and was initially created to facilitate BMW’s racing program, which was very successful in the 1960s and 1970s. As time progressed, BMW M began to supplement BMW's vehicles portfolio with specially modified higher trim models, for which they are now most known for to the general public. These M-badged cars traditionally include modified engines, suspensions, interior trims, aerodynamics, and exterior modifications to set them apart from their counterparts.
There are several BMW models which BMW Motorsport made changes on, without them becoming full M-Cars. Vehicles which have been modified by BMW Motorsport, but are not full M-Cars, may feature plain "M" badges with no number, whilst full M-Cars will have "M" badges with the model number (e.g. "M3" or "M5"). One exception to this is the M Coupe model, both Z3 and Z4 variants, which only have on the boot a plain "M" badge with no number displayed. These cars are full M-Cars.
For example, the E28 M535i featured suspension, styling, and transmission improvements over the standard 535i. These changes were carried out by BMW Motorsport, thus the car carried "M" stripe badges on the front grille and boot, but not the full "M5" nomenclature. The E28 M5 was sold alongside the M535i.
"In recent years, M badges have been used to accent non-M factory options. Examples of this include the E46 3 series, in which the performance package option upgraded the car to include M68 style rims which had small M badges below the BMW Roundels. In other instances, M styling without the badges has trickled down into non-M cars as factory options. For example, both the E39 and E60 5 series sedans had optional aerodynamic packages that included strongly influenced M5 styling (for example bumpers). It is not unusual to see "standard" BMW's with "M" badges or ribbons accenting the design."
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