How To Program Bmw Key Fob E90 Battery

Finally, let the key fob charge until you get to a place when you can replace the key fob battery. Price of BMW key fob battery: Usually less than $6. We also recommend getting a cover or a case for the key fob to keep it in better condition. BMW key fob cover/case cost about $10-$15 and definitely worth the price. You can order it online here. BMW 5-Series Key Fob Battery Remote Replacement E39, E60, F10, G30 (1995 – 2019) The 5-Series is the mid-range BMW Sedan that has been around for ages. It has had every major key fob variation that BMW has ever offered.

  • The following instructions are for programming a new key when you don’t have one that works. Insert key into the ignition and turn it to position 1 and back rapidly 5 times. Hold the unlock button and press the BMW logo 3 times, then release the unlock button.
  • Jun 23, 2020 Follow the instructions in this guide to learn how to manually start your BMW. This guide will assist you if the key fob batteries have died or the key fob is not working. If the main BMW battery has died, follow this guide to get into the car, then follow the instructions on this guide to jump-start a BMW with a dead car battery.

In the good old days when your BMW battery died one could go to the local auto shop, pick up a new one, replace it at home and get back on the road. Unfortunately, with the late model BMW's battery replacement is not as simple yesteryears. The new batteries need to be replaced by a dealer or qualified Euro specialist with the right tools to either register or program the car to your new battery. Failure to do so can result in overcharging of your new battery or even electrical malfunction.

What model BMW’s need to have their batteries reprogrammed or registered?

  • 2002 and newer 7-Series E65/E66 chassis
  • 2003 and newer 6-Series E63/E64 chassis
  • 2004 and newer 5-Series E60/E61 chassis
  • 2005 and newer X5 E53 chassis with N62 engine
  • 2006 and newer 3-Series E90/E91/E92/E93 chassis
  • 2007 and newer X5 E70 chassis
  • 2008 and newer X6 E71 chassis

Why do new model BMW’s need battery programming and old ones do not?

The newer BMW models listed above are significantly more advanced electronically than models from the 1990s and older. All of the advancement is ultimately pushed forward in the name of improving gas mileage. The newer models are equipped with IBS or Intelligent Battery Sensors. The IBS system is attached to the negative battery terminal and contains micro processors which measure and monitor voltage, current, charge and discharge as well as temperature of the battery.

How does the IBS system help improve fuel efficiency?

The IBS system is used primarily for the start stop function which eliminates the burning of fuel while at complete stop, also reducing CO2 emissions. The IBS system continually analyzes the charge of the battery system and intelligently charges it only when needed. When the battery is sufficiently charged, the motor does not need to spin the alternator thus improving efficiency of the engine and gaining more miles per gallon.

What does registering the new BMW battery do?

As your battery ages and loses charging capacity, the car adjusts how much it needs to recharge it to operate at an optimal level. The older the battery the more charge is required. Putting a new battery in your BMW and registering your battery tells your car that a new battery is installed. As a result, the car will not overcharge the new battery thinking the old one is still in there. Registering the battery also resets battery statistics based off your old batteries temperatures and behaviors wiping the slate clean.

What does programming the BMW battery do / What is the purpose of registering a BMW battery?

If you are swapping out your BMW battery for a new one with different amperage and or voltage specs, the car needs to be told this so it can adjust for the new battery settings and not damage your car’s fragile electrical system. As a result, reprogramming will need to be done.

What if I skip programming or registering my new battery / Is registering a BMW battery necessary?

Skipping this step WILL shorten the life of the battery as well as potentially damage your vehicles electrical system. The new battery will become overcharged as the car still thinks the old battery is installed. This can potentially cause damage to the car’s alternator. Your car may also throw off warning lights as indicators of these issues.

Who can register or program a BMW battery?

Any BMW dealership will be able to program or register your new BMW battery as well as authorized BMW shops. Special software and plugs are required to perform this process and is best left to the hands of professionals. Luckily, the process is straight forward and a routine job for these shops. As a result, the cost isn’t outrageous and you get the peace of mind knowing your car is serviced and as BMW designed it to be.

Why does BMW have to do this and be a huge pain?

BMW is not the only manufacturer doing this. With the stricter emission standards set by the government it is only a matter of time before all car manufacturers will eventually go to this new intelligent battery system. With hybrid and full electric cars becoming more popular the electronic systems are becoming so advanced the maintenance can only be done by qualified technicians with specialized tools.

Where can I learn more BMW fun facts

How To Program Bmw Key Fob E90 Battery Charger

Learn more interesting facts about your BMW by clicking HERE

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The 3-series is one of BMW’s oldest sedans. It has has nearly every major key fob that BMW has produced. The past major internal name models have been the E36, E46, E90, F30. For other models, see the all BMW Key Fob Batteries page.

ModelTrimsKey Fob TypeSubTypeBatteryBuy
E36 3 Series316i, 318i, 318is, 320i, 323i, 325i, 328i, M3, 318tds, 325td, 325tdsU Shaped KeyCR2016
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E46 3 Series316i, 316ci, 318i, 318ci, 320i, 320ci, 323i, 323ci, 325i, 325ci, 328i, 328ci, 330i, 330ci, M3, 318d, 320d, 320Cd, 330d, 330CdDiamond Shaped KeyRequires solder, soldering gun, and rechargeable battery with legs to replaceVL 2020 3v
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E90 3 Series316i, 318i, 320i, 320si, 323i, 325i, 328i, 330i, 335i, 335is, M3, M3 GTS, 316d, 318d, 320d, 320d ED, 325d, 330d, 335dRectangular Shaped KeyComfort AccessCR2032
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E90 3 Series316i, 318i, 320i, 320si, 323i, 325i, 328i, 330i, 335i, 335is, M3, M3 GTS, 316d, 318d, 320d, 320d ED, 325d, 330d, 335dRectangular Shaped KeyNon Comfort Access. Requires solder, soldering gun, and rechargeable battery with legs to replaceVL 2020 3v
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F30 3 Series316i, 318i, 320i, 320i ED, 328i, 330i, 335i, 340i, ActiveHybrid 3, 330e, 316d, 318d, 320d ED, 325d, 328d, 330d, 335dTrapezoid Shaped KeyCR2450
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F31 3 Series328i, 320d, 330d, 320i, 316d, 318dTrapezoid Shaped KeyCR2450
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F34 3 Series Gran Turismo320i, 328i, 335i, 318d, 320d, 325dTrapezoid Shaped KeyCR2450
Check on Amazon

How to replace the F30 3-Series (2013-2019) key fob battery

This model uses the easy to change BMW Trapezoid Shaped Key. This takes a simple CR2450 coin battery type. You don’t even need any special tools to change this one. Here’s a video showing how to change or replace the battery:

2013 - 2019 BMW 3 Series Key Battery Replacement F30 Fob Remote
How to program bmw key fob e90 battery problems
Watch this video on YouTubeSale Energizer Lithium Coin Blister Pack Watch/Electronic Batteries, 1 Count (Pack of 2)
  • Pack of 2 batteries
  • Lithium coin batteries for watches and electronic devices
  • Has a power of 3 volts

This key is also used in the F31 3 Series 328i, 320d, 330d, 320i, 316d, 318d (2013-present)
and the F34 3 Series Gran Turismo 320i, 328i, 335i, 318d, 320d, 325d (2013-present)

How to replace the E90 3-Series (2006-2012) comfort access key fob battery

Battery: CR2032

2006 - 2012 BMW 3 Series Key Battery Replacement E90 Fob Remote

Watch this video on YouTube AmazonBasics CR2032 3 Volt Lithium Coin Cell Battery - 4-Pack
  • 4-pack of lithium coin cell batteries; CR2032 cell size
  • 8-year leak-free shelf life, ideal for watches, calculators, key fobs, Apple TV remotes, and other small electronics
  • Replacement for BR2032, DL2032, and ECR2032

How to replace the E90 3-Series (2006-2012) non comfort access rectangular key fob battery

The rectangular remote has a rechargeable VL2020 battery inside that is recharged when the key is in the ignition. It may die eventually though and need to be replaced. To change this non-comfort access battery, pry apart the key and de-solder the two points that connect the battery to the circuit board inside:

2006 - 2012 BMW 3 Series Non-Comfort Access Key Battery Replacement E90 Fob Remote

ProblemsWatch this video on YouTube

Buy this battery on Amazon, make sure to get one with 90-degree connection points:

Keyecu VL2020 Remote Key Rechargeable Battery for BMW E46 E60 E92 3 328 330 X5 (90 degree Leg) E90
  • Battery Model: VL2020
  • Please compare the leg position carefully,this battery is 90 degrees leg
  • it is a Rechargeable battery

How to replace the E46 3-Series (1998-2005) key fob battery

This requires a solder iron, and a VL2020 rechargeable battery to replace this key fob. Also a box cutter or utility knife is handy to cut open the key fob. Watch my video on how to replace the E46 key fob battery:

1998 - 2005 BMW E46 3 Series Key Fob Battery Replacement DIY

Watch this video on YouTubeFob

Bmw 335i Key Fob Battery

Keyecu VL2020 Remote Key Rechargeable Battery for BMW E46 E60 E92 3 328 330 X5 (90 degree Leg)
  • Battery Model: VL2020
  • Please compare the leg position carefully,this battery is 90 degrees leg
  • it is a Rechargeable battery

How To Program Bmw Key Fob E90 Battery Location

How to replace the E36 3-Series (1990-1997) key fob battery