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❄️ Elevate your car wash game with the science of snow foam!
Gtechniq Auto W4 Snow Foam is a 5L pre-wash car shampoo and degreaser that uses advanced molecular nanotechnology to safely and effectively lift dirt and grime. Its 100% biodegradable, non-caustic, and pH-neutral formula protects paintwork and coatings while delivering a thick, lubricating foam that reduces scratch risk. Trusted globally for over two decades, it’s the go-to choice for professional-grade car care with an eco-conscious edge.












| ASIN | B00Q2RJ4HU |
| Best Sellers Rank | 2,986 in Automotive ( See Top 100 in Automotive ) 89 in Automotive Cleaners |
| Brand | Gtechniq |
| Brand Name | Gtechniq |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.3 out of 5 stars 364 Reviews |
| Global Trade Identification Number | 05060147720686 |
| Item Form | Foam |
| Item Type Name | Gtechniq Auto W4 Snow Foam Car Wash and Degreaser For Cars, 100% Biodegradable Non-Caustic Pre-Wash Snow Foam Cleaner, 5L |
| Item Volume | 5000 Millilitres |
| Item Weight | 5.22 kg |
| Item form | Foam |
| Item volume | 5000 Millilitres |
| Manufacturer | Gtechniq |
| Material Features | Biodegradable |
| Material feature | Biodegradable |
| Model Number | W4 5 |
| Number of Items | 1 |
| Part Number | W4 5 |
| Product Warranty | Product must be registered on Gtechniq website |
| Scent | Citrus |
| Size | 5 l (Pack of 1) |
| Special Features | Biodegradable, PH Neutral |
| Specific Uses For Product | Automotive Exterior |
| Specific uses for product | Automotive Exterior |
| Surface Recommendation | Metal |
| Unit Count | 1000.0 millilitre |
N**7
Great Product
I used this as a pre wash in my Karcher pressure washer dispenser. It gives lots of foam which lasts well, and is simply washed off after 5 mins. After a normal wash the paintwork certainly seems to be cleaner and shinier than when washed without using this first. Would definitely recommend.
K**R
Works well
Dose what it says on the bottle, pressy for my son , its a big bottle full so good value for money, he's well pleased with it
G**Y
Product
Great shampoo
M**K
Needs a foam cannon
Defo needs foam cannon, pump sprayer no good
C**N
Really good foam
Use G Techniq all the time.
J**W
Washing up liquid has better results. This is a con
Sorry. This is absolute trash. It comes out watery. Doesn’t stick. Doesn’t clean go s***. Can even take off or loosen day to day to dirt. Spray on. Leave for 5 mins - don’t even stay on for 2. Autoglym snow foam - comes out like shaving foam and sticks to the car. This is expensive wish I could return it. Absolutely shocking
T**R
Good stuff
Did a good job on the prewash.
B**T
It’s ok
It’s ok I would of expected better from Gtechniq cos there products are excellent I use a lot of them but a bit disappointing with this product I’ve tried another product and it is better than this one.
J**Z
Leave dwell 2-5min...
Ceramic Coated, use if car has been dirty past 3-4month or more. (1)Best if used in Foam Cannon low water dial setting. Dwell for 2-5min. Rinse, followed by handwash (2)Gwash, rinse, then (3)GwashCeramic all from Gtechniq. 3 steps... blow dry then towel dry.
V**.
Winter pre wash shampoo
Great pre wash to protect the paint finish
S**R
Great products, time tested results , consistently. Will always recommend gtechnia
Their line of car wash items are great. I use it on both my cars. Products are good quality. Foams well and removes media effectively. Their shipping and packaging is on point. 25 G80 M3 MT 22 Etron sportback 95% of of my car wash supplies come from Gtecniq. Definitely recommend.
S**I
Bof
Difficile de faire une belle mousse avec. Je ne sais pas trop quel matériel utiliser avec
C**H
Foam is outstanding
Outstanding product
Trustpilot
5 days ago
2 days ago