Washer fluid

The washer fluid reservoir in the BMW 5 VII Gen centrally and efficiently supplies all of the vehicle's spray nozzles. The instructions explain how to mix a suitable cleaning solution and which minimum fill quantity should be observed. Warnings about fire hazards from improper handling and about material compatibility help ensure safety and durability. Refilling with the engine cold is also emphasized, an important detail at low temperatures.

General

All washer nozzles are supplied from one reservoir.

Use a mixture of tap water, windshield washer concentrate and, if required, antifreeze for the windshield washer system.

Recommended minimum fill quantity: 1 liter.

Safety information

WARNING Some antifreeze agents may contain substances that are harmful to health and are flammable. There is a risk of fire and injury. Observe the instructions on the containers. Keep antifreeze away from ignition sources. Do not decant operating fluids into other bottles. Store operating fluids out of reach of children. WARNING Washer fluid can ignite and catch fire on contact with hot engine parts. There is a risk of injury or property damage. Only refill washer fluid when the engine has cooled down.

Then close the washer fluid reservoir cap completely. NOTICE Silicone-based additives in the washer fluid that make water bead on the windshield can cause damage to the washer system. There is a risk of property damage. Do not add silicone-based additives to the washer fluid. NOTICE Mixing different windshield washer concentrates or antifreeze agents can cause damage to the washer system. There is a risk of property damage. Do not mix different windshield washer concentrates or antifreeze agents. Observe the instructions and mixing ratios stated on the containers.

Overview

The washer fluid reservoir is located in the engine compartment.

Malfunction

When using undiluted windshield washer concentrate or alcohol-based antifreeze, false indications may occur at low temperatures below -15 °C.

The windshield washer system of the BMW 5 G30/G31 is designed for maximum functionality and safety. With a large reservoir capacity and the option of antifreeze protection, the system provides reliable cleaning at all temperatures.

Important notes on using washer fluid and antifreeze help protect the system and the engine compartment from damage. In this respect too, the BMW 5 G30/G31 is a model example of well-thought-out engineering.

Question 1: Can I mix any cleaner into the washer fluid?

Answer: No, silicone-containing or mixed cleaners can cause damage. Only use recommended products.

Question 2: Why should washer fluid only be topped up when the engine is cold?

Answer: Because the fluid could ignite on contact with hot engine components.