Qoutmcuy VL2020 Replacement Battery for BMW Key Fob 2-Pack — 3V 20mm with 90° Leg for 3/5/7/X Series

If your BMW key fob has stopped responding or the battery indicator shows low power, swapping in a fresh VL2020 cell is a quick, inexpensive fix. This 2-pack includes two identical 3V batteries sized to match original VL2020 cells used in many BMW remote controls. The angled leg design mirrors factory parts so the battery sits securely in the contact points and restores reliable button and remote start function.

Which BMW models and key fobs will accept this VL2020 battery?

The VL2020 from Qoutmcuy is made to match the original-sized cells used in a range of BMW remote fobs. It fits many 3 Series generations plus several 5, 7, X, Z, and 1 Series fobs that require a 20mm diameter battery with a 90° leg.

• Compatible: 3 Series E46, E90, E91, E92, E93
• Also fits: 5 Series E39, E60, E61; 7 Series E38
• Cross-compatible: X Series E53 (X5), E83 (X3), Z4 E85/E86, 1 Series E81/E87
• Verify: ensure your original cell is labeled VL2020 and measures 20mm with a 90° bent leg

How do I replace the battery in my BMW key fob?

Replacing the VL2020 is straightforward and requires no soldering. Carefully open the fob, remove the depleted cell, and press the new battery into place matching the orientation of the angled leg.

• Tools: small flat screwdriver or plastic pry tool recommended
• Procedure: open case, note polarity and angle, swap old for new, reassemble
• Tip: avoid touching battery contacts with bare fingers to reduce corrosion risk

What are the technical details and operating limits of these cells?

Each VL2020 cell is specified at 3 volts with a nominal 20mAh capacity, designed for low-drain devices like car remotes. The angled 90° leg allows secure contact inside the fob housing for consistent connectivity.

• Voltage: 3V nominal
• Dimensions: 2.0mm x 20.0mm with 90° leg
• Capacity: 20mAh, suitable for low-current remote circuits
• Temperature ranges: use -10°C to +60°C; store between -10°C and +45°C

What practical benefits does buying a 2-pack provide?

Having two matched VL2020s gives you an immediate spare for the second key or a backup when you’re away from home. Purchasing a pair also reduces the hassle and shipping cost compared with buying single cells separately.

• Includes two identical cells so both remotes can be updated
• Keep a spare in your glovebox or emergency kit for quick replacement
• Cost-effective choice compared with single-battery purchases

Who is this for: Drivers of compatible BMW models who want an affordable, OEM-form-fit battery replacement for their key fobs. It’s ideal for owners who prefer to perform straightforward maintenance themselves, for mechanics who service multiple vehicles, and for anyone who wants a ready spare to avoid being stranded with an unresponsive remote.