How to replace turn signal bulb for BMW 3 Series (E36, E36/5)

Vehicle turn signals or directional signals are blinking lamps, positioned at all four body corners. Driver should not ignore using these lamps and give other road users a warning, that the movement direction of a car is going to be changed. It's relevant turn signals are in operation at the right time, in order to admonish other drivers and keep away from accidents. Therefore, all turn indicators should perform well. For the most part, the grounds for a faulty turn indicator is an obsolete bulb, which can be noticed while sitting behind the steering wheel: when failing side turn signal is activated, flickering of respective dashboard indicator will be faster than usual, if there is a non-working bulb on a specific side.