Where to go for repair and maintenance if BMW 5 Series breaks down?

Where can I find a repairman specializing in BMWs in Shanghai | Where to go for repairs and maintenance if there is a problem with a BMW | Maintenance measures
Basic common sense and basic fault repairs for BMWs
Some indicator lights or warning lights on BMWs
Self-detection technology: Multiple systems of the car have automatic self-detection functions whether during starting or while driving. If a fault occurs in a certain system, the corresponding light will not go out after the engine is started or will come on again while driving. Please see the instructions below for how to correctly deal with these problems
The battery is no longer damaged by the charging generator V-belt or the generator charging circuit is faulty.
Engine oil pressure Stop immediately and shut down the engine to check the engine oil level
Note that if this happens, please do not continue driving, otherwise the engine will be damaged due to insufficient engine lubrication.
Hydraulic system The handbrake is released but the light comes on. Check the brake fluid level. If the brake fluid level is too low and the brake pedal travel is significantly longer, there may be a problem with one of the two hydraulic brake circuits. Please visit your nearest car service department for inspection. Higher brake pedal force may be required and the braking distance may be significantly longer. Your driving behavior must be adapted to the changing requirements of the braking performance.
The tire pressure display is accompanied by an audible alarm signal of tire pressure loss. Reduce speed and stop carefully to avoid aggressive braking and steering maneuvers.
The status of the dynamic friction plate indicates that the remaining thickness of the friction plate is very small
Add cleaning fluid. The cleaning fluid level is too low. Add the cleaning fluid when you have the next opportunity. The antifreeze is flammable, so the antifreeze must be kept away from the fire source. Can be stored in the original, tightly closed container and out of the reach of children.
When the dynamic stability control system and brake warning light indicators flash, the system enters the working state and controls the driving force and braking force. The light that stays on may be turned off.
Add refrigerant. The coolant level is too low. Add refrigerant when you have the opportunity next time.
Full airbag indicator light This indicator light indicates that the airbag system and seat belt tensioner have entered a functional readiness state. The system-ready light comes on briefly. There is a system fault and the indicator light does not light up or the indicator light keeps flashing. Please visit your nearest car service department for inspection.
NOTE Indicator and alarm lights can light up in different colors or combinations. Below you'll find out what each color means and what you should do about it.
Red stop the car immediately or as an important reminder
Yellow immediately go to the ground for inspection or prompt information
Green prompt message
Blue prompt message
BMW maintenance
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Professional cleaning of various types of | BMW | Mercedes-Benz | Land Rover | Ferrari | Rolls-Royce | Lamborghini | Maintenance | Questionable and miscellaneous diseases, poor engine power, difficulty in starting, high fuel consumption, high oil temperature, high idle speed, shake, air conditioner leakage, poor refrigeration effect, air outlet Small wind pipes are clogged, smelly and noisy, circuit short circuit, smoke, poor contact, car audio failure, automatic transmission slippage, impact in gear, etc. Various problematic failures, intermittent failures