How to Build a Car Wash in Wash the Car: What to Buy for a Bay

A wash bay in Wash the Car starts completely empty. You build a working car wash by buying installations one at a time with the cash you earn from washing — foam sprayer, brushes, front jet, dryer, conveyor and more — and each cleaning installation covers a specific zone of the vehicle. Once a bay's installations are in, part of the wash cycle runs on its own — and in one run the dryer even paid during the wash.

Building a bay, purchase by purchase

Every installation is a separate purchase made with in-game cash at the specific bay you're equipping. In practice:

1. Wash and bank the earnings. Scrub cars by hand and collect the tips and payouts — that's your building budget.
2. Buy cleaning coverage one machine at a time. Early buys on a first bay include the foam sprayer, which covers the top of the car, plus the left and right brushes for the sides and the front jet for the front.
3. Check each car for the spots that are still dirty. A cleanliness percentage shows your progress — finish what's left by hand. In these runs the back was the usual leftover, handled separately from the top, sides and front.
4. Round out the bay. Other purchases include a conveyor, a car brush and cosmetic touches like a vending machine.

Watch a full first-bay build in the original video on YouTube.

Because purchases attach to the bay you buy them at, a freshly unlocked bay has no machines at all — plan on re-buying the setup there from scratch.

What the equipment does during a wash

Once the machines are installed, part of the wash runs automatically. After buying the front jet, one player noted "this one should be automatic," and in another run a player watched a car become fully clean without doing anything. That doesn't make the job hands-off, though: some installations still only clean part of the vehicle, and the water sprayers from that run didn't wash a car on their own, so plan to finish leftover spots by hand.

Expanding beyond the first bay

As your car wash grows, the game sells more wash locations: a second and third car bay, a helipad zone for helicopters, and boat-wash docks. These unlocks cost large cash amounts, and every new location starts bare — you equip it exactly like the first, one machine at a time.

For the scrubbing itself, see the how to wash faster guide; faster washes earn tips that help you fund purchases sooner — how to get tips explains that side — and the best build order covers what each machine is worth.