BMW CAS3 Semi-Intelligent Remote Control Car Key Replacement Set with Three Keys

This product is a replacement remote car key fob set designed for BMW vehicles. It is specifically engineered as a CAS3 semi-intelligent system, intended to be compatible with BMW models that use the HU92 model number for their key programming. The set provides a practical solution for car owners who have lost their original keys, require additional spares, or need to replace a damaged key fob. It is supplied as a pack of three individual keys, offering immediate backup options once correctly programmed. The keys are constructed from metal copper and plastic, combining conductive elements with a durable housing. Available frequency options include 315Mhz, 433Mhz, and 868Mhz to match the specific requirements of different BMW models and years.

Features and Construction

This replacement key set is defined by its specific compatibility and physical build. It is not a universal key but is targeted at a particular BMW key system.

Material and Build

The key fobs are built using metal copper and plastic. The metal copper is utilised for internal electrical pathways, contacts, and likely the key blade itself, providing the necessary conductivity and strength. The plastic forms the outer casing of the remote fob, housing the electronic components and buttons. This material combination is standard for automotive keys, balancing electronic functionality with everyday durability.

Size and Practical Fit

The source text does not provide specific dimensional measurements for the keys. As a direct replacement for the HU92 model, the physical size and form factor are designed to match the original equipment specifications for compatible BMW vehicles. The set includes three complete key fobs, not just blades or internals, providing full physical replacements.

Uses and Placement

This product serves a clear, single purpose: to replace original BMW remote keys for specific vehicles.

Event or Professional Use

The primary professional use is by automotive locksmiths, car dealerships, or vehicle repair centres who program and supply replacement keys to customers. It is a component part of a key replacement service, requiring specialist equipment and knowledge to code the key to the car's immobiliser and central locking system. It is also suitable for fleet managers overseeing multiple BMW vehicles who wish to standardise spares.

Everyday Home Use

For the individual car owner, this key set is the physical hardware needed when an original key is lost, stolen, or broken. Once professionally programmed, it functions identically to the original key for locking, unlocking, and starting the vehicle. Having three keys in the set allows one for primary use, one as a home backup, and one as an additional spare, reducing the risk and inconvenience of being locked out.

Benefits and Buying Value

The value of this product lies in its direct compatibility and the convenience of a multi-key pack.

Reuse and Low Maintenance

As a replacement electronic key, it is not a product that is 'reused' in the traditional sense but is instead put into long-term service. Maintenance is minimal, typically limited to occasional battery replacement for the remote functions. The metal and plastic construction is designed for the rigours of daily use in a pocket or bag.

Why Choose This Product

Choose this key set if you own a compatible BMW (HU92 model) and need a guaranteed compatible replacement remote key. The inclusion of three keys offers better value and security than purchasing single keys, ensuring you have immediate spares. The availability of the three frequency options (315Mhz, 433Mhz, 868Mhz) allows you to select the correct one for your specific vehicle model and year, which is crucial for correct operation.