Car Key for BMW HS688 Universal Smart LCD Keyless Entry Compatible Replacement Fob

Introducing the BMW HS688 Universal Smart LCD Car Key With Keyless Entry — a versatile, LCD-backed replacement designed for vehicles with a one-button start. This universal smart key blends modern LCD visibility with reliable keyless entry, helping you unlock convenience, reduce key clutter, and prevent misplacement of traditional remotes. It’s built for drivers who want a streamlined, future-ready access solution without sacrificing compatibility or safety.

Designed to work with a wide range of makes and models, the HS688 is especially suited for drivers seeking a single, adaptable key solution. It supports one-key start systems and offers keyless entry functions that can simplify daily comings and goings. Note that while it supports many vehicles, it is not compatible with all manual inline keys or mechanical keys. If your car already includes remote start in its original setup, the LCD key can mirror that function; if not, remote start may not be available, though other features such as keyless entry and automatic window lock (on certain models) may still function.

Key benefits include an intuitive LCD display with long standby time, a comfortable entry experience with anti-loss features, and easy language customization to suit your preferred language. The device is designed for straightforward operation and quick access while keeping a compact, ergonomic profile. It’s important to note that the LCD key does not carry any car logos to keep branding neutral and versatile.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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Benefits & Tips

• Practical use: replace multiple remotes with a single LCD smart key that supports keyless entry and, where available, remote start through your vehicle’s original system.
• Practical tip: customize the display language for quick, frustration-free operation in your preferred tongue—Settings > Language on the LCD key.
• Usage note: if the LCD key arrives unpowered, charge with the included cable for up to 10 hours before first use to ensure reliable startup and functions.

Product specifications

• Brand: YIQIXIN
• Model: HS688 LCD Smart Key
• Interchange Part Number: HS688 LCD Smart Key
• OEM No.: Universal Modified LCD Screen Smart Key
• Origin: Mainland China
• Applicable to all original cars with one-key start function (not compatible with all manual direct-plug keys)
• R/C Function: WithOut (no built-in remote control unless supported by the car)
• Languages supported: English, Korean, Russian, Portuguese, Spanish, German, French, Italian, Japanese, Arabic, Turkish, Vietnamese, Thai, Chinese, Hindi (Indian), Malay
• Language setup: Settings > Language on the LCD key; scroll to choose your language and confirm
• Installation: Solder the original key circuit board to the LCD key
• Logos: No car logos on LCD key
• Remote start: Supported only if your original car has this function
• Notes: If the car’s original system does not support remote start, that function will not be available on the LCD key
• Charging guidance: If the product does not turn on on arrival, charge with the included cable for 10 hours (do not use fast chargers)

Package includes:

• 1 x HS688 LCD Smart Key
• 1 x Charging cable

Warnings / Reminders

• Not all vehicles with one-key start are compatible with this LCD smart key. Check compatibility with your car’s original key system before use.
• The LCD key may not display car logos and cannot change its wallpaper or branding.
• If your vehicle does not support remote start, that feature will not function on the LCD key.
• Use only the provided charging cable for long-term charging; fast chargers can damage the circuit.

Languages supported for this product include English, Korean, Russian, Portuguese, Spanish, German, French, Italian, Japanese, Arabic, Turkish, Vietnamese, Thai, Chinese, Hindi (Indian), and Malay, ensuring broad accessibility for multi-laceted users.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Trust statement: Since 2002, intercyprus.com has built a reputation for reliable, genuine automotive tech and dependable service.