Toyota Aygo Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

Compatible keys for Toyota Aygo

Before you order

• Match the year range — Toyota changed key systems across model years. Check your registration year.
• Check your current key — the OEM number printed on your key matches the table above.
• Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

What frequency is the Toyota Aygo key?

The Toyota Aygo key operates on 433 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.

What chip does the Toyota Aygo key use?

The Toyota Aygo uses a 8A chip. Tell your supplier the chip type when ordering so you receive the correct blank — an ID46 blank will not replace an ID47 or 4D83 key.

Which key fits my Toyota Aygo?

The Toyota Aygo (2015-2018) uses the OEM BS1EW 433MHz 8A Chip Smart Key for Toyota Aygo 2015-2018. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Toyota Aygo keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Related: All Toyota keys · All guides · Key Finder

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