BMW X3 Key Fob Battery Remote Replacement E83, F25, G01 (2003 – 2019)

The BMW X3 has had 4 key fob variants over the years. The Diamond Shape Key, the Trapezoid Shape Key, and the Sleek Slant Shape Key. Some early models using the Diamond Shape require a more difficult replacement process, but newer models you can easily pop the battery right out to replace. To view battery replacements fo all BMW models, check out the BMW Key Battery Page here.

ModelTrimsYearsBatteryBuy
E83 X32.0i, 2.5i, 2.5si/ xDrive25i, 3.0i, 3.0si/ xDrive30i, xDrive18d, 2.0d/ xDrive20d, 3.0d/ xDrive30d, 3.0sd/ xDrive35d2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010VL 2020 3vCheck on Amazon
F25 X3xDrive20i, xDrive28i (3.0), xDrive28i (2.0T), xDrive35i, sDrive18d, xDrive20d, xDrive30d, xDrive35d2011, 2012, 2013, 2014, 2015, 2016, 2017CR2450Check on Amazon
F25 X3xDrive20i, xDrive28i (3.0), xDrive28i (2.0T), xDrive35i, sDrive18d, xDrive20d, xDrive30d, xDrive35d2014, 2015, 2016, 2017CR2032Check on Amazon
G01 X3xDrive20i, xDrive30i, M40i, xDrive20d, xDrive30d, M40d2018, 2019CR2032Check on Amazon
G01 X3xDrive20i, xDrive30i, M40i, xDrive20d, xDrive30d, M40d2018, 20193.7 V, li ion rechargeable polymer battery 1.97 Wh, 535 mah

How To Replace the F25 BMW X3 (2011-2014) Key Fob Battery

How to change BMW x3 2011-2014 smart key fob battery
How to change BMW x3 2011-2014 smart key fob battery

This is my main car! This is the first key fob video I ever made here It uses the CR 2450 coin battery. It shows how to replace the key fob battery for the BMW X3 2011, 2012, 2013, 2014 Models for the Trapezoid Shaped Key:

This is the battery for this X3 key fob:


Buy CR 2450 Replacement Battery on Amazon

How To Replace the F25 BMW X3 (2015-2018) Key Fob Battery

2015, 2016, 2017, 2018 BMW X3 Key Fob Replace
How to replace your key fob battery in a 2014-2018 X3 Sleek Fob

The later year models of the F25 x3 use the newer Sleek Slant Shaped Key. This is a similar back to the Trapezoid model, however the battery is different. It requires at CR2032 battery.

Battery: CR2032
Fob Type: Sleek Slant Shaped

This is the battery for this X3 sleek key fob:


Buy CR 2032 Replacement Battery on Amazon

How to replace the E83 X3 (2003-2010) key fob battery

The E83 X3 model uses and older Diamond Key shape that contains a rechargeable battery. This is more complicated to replace as the battery must be removed with a soldering gun, and a new battery with the legs re-soldered on. It can be done in about 15-20 minutes and the battery itself is cheap. This video is for the 3-series, but it’s the same fob.

Battery: VL2020 3v

Fob Type: Diamond Key
This is the rechargeable battery for this X3 diamond key fob:


Buy VL 2020 Replacement Battery on Amazon

How to replace the G01 X3 (2018-present) key fob battery

Battery: CR2032
Fob Type: Sleek Slant Shaped

The newest G01 model has two key variants, the Sleek Slant Shaped Key introduced in 2014 and the new display key, which is a mini computer on the key fob itself. The Display Key isn’t replaceable yet, and it’s a rechargeable battery that sits in your middle console to recharge wirelessly.

For the Sleek Slant Shape Key, it is very similar to the Trapezoid Shape Key where the back pops off and you can easily pop in a new battery, just a slightly smaller CR2032 battery is needed.

This is the battery for this X3 key fob:


Buy CR 2032 Replacement Battery on Amazon

Frequently Asked Questions

What battery goes in a BMW X3 key?

It depends on your model year and type, but the most common BMW X3 key batteries are: CR2032, CR2450, and the VL2020 rechargeable battery. Find the full list of all BMW key batteries and pictures of each key/battery combo on our BMW key batteries page.