Seat occupancy mat tester emulator kit for BMW 1 Series E81 E87.
Compatible with: BMW 1 Series E81 / E87 (2004–2011) Plug & Play testing solution for faulty seat occupancy sensors and sport seat installations. No coding required.
Simple installation.
- Locate the seat mat connector under the passenger seat
- Unplug the OEM connector
- Plug in the AirbagDoc emulator
- ✔ Plug & Play — no coding required
- ✔ Same or next business day shipping
- ✔ Free worldwide shipping on orders over $40
- ✔ Works with aftermarket & sport seat installations
- ✔ Available in Euro and US versions
- ✔ 30-day money-back guarantee
⚠ Important Notice
- This module sets seat occupancy status to permanently occupied
- Do not use when a child seat is fitted to the front passenger seat
- Intended for diagnostic testing, sport applications, and aftermarket seat installations
- AirbagDoc is not responsible for improper use or installation
Frequently Asked Questions
What does the seat occupancy bypass emulator do?
It plugs into your BMW's passenger seat wiring in place of the OEM occupancy sensor mat and signals the airbag control module that the seat is permanently occupied. The airbag warning light caused by fitting bucket or sport seats goes out.
What do fault codes 93C1, 93C2, and 93C3 mean?
These are the occupancy-sensor and passenger-restraint codes a BMW stores when the airbag module loses the expected signal from the seat mat — usually after fitting bucket or sport seats. The emulator supplies the signal the module is looking for, so the code stops returning once cleared.
Will the passenger airbag still work for a real passenger?
Yes. The emulator sends a constant "seat occupied" signal, so the passenger airbag stays armed at all times — exactly as it behaves when an adult passenger is sitting in the seat.
Why did installing bucket seats cause the airbag light?
OEM seats have a pressure-sensitive occupancy mat inside the cushion. Aftermarket bucket and sports seats don't. Without the expected signal from that mat, the airbag control module logs a fault and lights the warning. The emulator supplies a valid "seat occupied" signal.
Is installation plug-and-play?
Yes. The emulator uses the correct OEM connector for your BMW chassis. No cutting, splicing, or coding required.
Do I need any special tools to install it?
No special tools are needed for installation — it plugs straight into the OEM connector under the passenger seat, with no cutting or splicing. In some cases an OBD2 diagnostic scanner is required to clear a stored fault code once after install.
Do I need to clear fault codes after installing it?
Sometimes. If the warning light was already on before install, the stored code (93C1 / 93C2 / 93C3 on E-chassis BMWs) may need to be cleared once with an OBD2 diagnostic tool. After clearing, it should not return.
How fast is shipping and where do you ship from?
Orders placed on a business day ship the same day from our US warehouse for US-based orders. We also ship internationally, with delivery times depending on the destination.
What if it doesn't work in my case?
Every order is backed by a 30-day money-back guarantee. If the emulator doesn't work in your case, return the product within 30 days for a full refund.
Does this work for all BMW 1 Series E81 / E87 variants?
Yes — covers the E81 3-door and E87 5-door hatchback (2004–2011), including 116i–130i and 116d–123d.










catthebug (verified owner) –
Absolutely brilliant bit of kit easy to fit worked a treat.
harj8927 (verified owner) –
Arrived very quickly. The Airbag part was very easy to fit and the light went of immediately! The seatbelt wires are a bit fiddly and tricky but with some patience I managed to fix it! Thanks once again!
cadboymat (verified owner) –
Great item, followed clear instructions & worked exactly as it should, fast dispatch / delivery, good communication. Many thanks
inman1562 (verified owner) –
You need to have good eyesight to make sure the pins go through that’s all I can say it was the problem for me