Custom Wallet Key?

wareagle900 · 05-19-2010, 09:26 PM

your post makes no sense..... Yeah, the car starts with a fob shaped something in the car.

The valet key only works when the key is in the fob holder thingy...

I would just like you to explain hoW a rfid chip can transmit a signal without power.....

It just seems illogical to me.

wareagle900 · 05-19-2010, 09:47 PM

ok, been reading up on it and i suppose it makes sense to use a passive rfid

but if it indeed is a passive, then why have a battery at all?

GenePoole · 05-21-2010, 01:05 PM

For the lock remote.

stealth.pilot · 12-07-2011, 06:36 PM

I'm resurrecting this thread. I wonder if the OP managed to pull this off.

I also want to switch my F10 key into a credit card key. If it is a simple matter of powering an RFID chip, I can use the old credit card key from my Lexus as a shell for the BMW RFID chip.

E90_Lucas · 04-14-2024, 09:42 PM

Does anyone know of a 3d printable card for the fob? That would be awesome!!

05-19-2010, 09:26 PM	#23
wareagle900 Banned 30 Rep 413 Posts Drives: 2006 BMW 330i Join Date: Aug 2009 Location: South East Alabama iTrader: (0)	your post makes no sense..... Yeah, the car starts with a fob shaped something in the car. The valet key only works when the key is in the fob holder thingy... I would just like you to explain hoW a rfid chip can transmit a signal without power..... It just seems illogical to me.
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05-19-2010, 09:47 PM	#24
wareagle900 Banned 30 Rep 413 Posts Drives: 2006 BMW 330i Join Date: Aug 2009 Location: South East Alabama iTrader: (0)	ok, been reading up on it and i suppose it makes sense to use a passive rfid but if it indeed is a passive, then why have a battery at all?
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05-21-2010, 01:05 PM	#25
GenePoole Lieutenant 46 Rep 541 Posts Drives: 2012 F30 328i Join Date: Apr 2010 Location: Brighton, IL iTrader: (0)	For the lock remote.
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12-07-2011, 06:36 PM	#26
stealth.pilot Knight Commander 559 Rep 5,948 Posts Drives: 2014 911 Turbo S Join Date: Aug 2010 Location: Buckhead iTrader: (0) Garage List 2014 Porsche 911 Tu ... [10.00] 2015 Mercedes-Benz ... [0.00] 2015 Jaguar F Type R [0.00] 2014 BMW M5 [0.00]	I'm resurrecting this thread. I wonder if the OP managed to pull this off. I also want to switch my F10 key into a credit card key. If it is a simple matter of powering an RFID chip, I can use the old credit card key from my Lexus as a shell for the BMW RFID chip. __________________ 2022 Mercedes-Benz EQS 580 2020 Mercedes-Benz GLE 450 Ordered: EQS580, BMW IX, Lucid Air Touring, Corvette Stingray
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04-14-2024, 09:42 PM	#27
E90_Lucas New Member 2 Rep 6 Posts Drives: 2006 bmw 330i Join Date: Oct 2023 Location: Buford, Georgia iTrader: (0) Garage List 2006 BMW 330i [8.33]	Does anyone know of a 3d printable card for the fob? That would be awesome!!
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