In an absolute first, as well as a “why didn’t anyone do this before” moment, BMW is making a new key fob that holds a rechargeable battery. With key fobs constantly dying in push button start cars, this is an idea that is long overdue.
Unfortunately, the mechanical key is not integrated into the fob and must be carried separately, however, to unlock the door if a driver misses the need to recharge. I guess the rechargeable battery takes the needed space??
Recharging is accomplished
Our interest of course is primarily in the recharge feature. We will thus take this opportunity to recommend that every manufacturer making push button start cars migrate to this option. USB ports are already standard.
However, please keep a mechanical key inside the fob itself. People are people and they will forget to recharge or simply not get to it in time. There must not be a need to remember where the mechanical key is! We can pretty much promise that there will be confusion as to the need for the extra key, and will get dropped in a drawer and forgotten.
An actual display is an expensive advance that is really not needed. There are other ways a key fob can announce a need for a charge, as is already done.
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Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.
These posts are for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.
Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.
The author has 25 years of automotive experience and has assembled the most extensive collection of symbols and warning lights anywhere (over 1,000!) and can help you open and start any keyless start car with a dead key fob battery. BA, St. Joseph’s College, ME: MS, Rensselaer Polytechnic Institute, NY
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