OC3 Test Simulator – For Seat Occupancy Sensor Diagnosis The OC3 test simulator is designed to support troubleshooting of seat occupancy sensor systems in BMW vehicles. It helps you quickly identify the root cause of faults, saving diagnostic time, reducing unnecessary parts replacement, and simplifying repairs—Fast. Easy. Effective. Features Compatible with many BMW models – 2‑pin connector required! Vehicle‑specific plug – precise fit, plug & play (if the vehicle has the matching connector – please check the vehicle list)! Quick installation – ready for use in minutes (professional installation recommended)! Removable without residue – no anti‑tamper shrink tubing! Supports troubleshooting – helps narrow down faults related to seat occupancy sensors! Practical for seat conversions – useful for diagnosing issues with aftermarket seats (e.g., RECARO, Sparco, FK, etc.)! Ultra‑compact design – electronics integrated directly inside the plug to save space! High quality standards – manufactured by experienced electrical specialists! Important / Please Note Before purchasing, please be sure to verify that your vehicle is listed in the vehicle compatibility list and that the production year matches. In addition, the vehicle must be equipped with an SBE electronic module (see pictures) located under the passenger seat. Alternatively, you can check the seat occupancy mat to confirm whether a 2‑pin connector is present. If you are unsure, please contact us – we will be happy to help you select the correct product. Vehicle Compatibility List BMW 3 Series E36 – up to 08/2000 E46 – up to 08/2006 BMW 5 Series E34 – up to 06/1996 E39 – up to 12/2003 E60 – up to 09/2005 *** E61 – up to 09/2005 *** BMW 6 Series E63 – up to 09/2005 *** E64 – up to 09/2005 *** BMW 7 Series E38 – up to 07/2001 E65 – up to 07/2008 E66 – up to 07/2008 E67 – up to 07/2008 BMW 8 Series E31 – up to 05/1999 BMW X3 E83 – up to 09/2005 *** BMW X5 E53 – up to 09/2006 *** BMW Z3 E36/7 – up to 06/2003 E36/7S – up to 06/2003 E36/8 – up to 06/2003 E36/8S – up to 06/2003 BMW Z4 E85 – up to 01/2006 *** *** Vehicles with acoustic seatbelt warning (model‑dependent; pay attention to connector variant) !