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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 04-19-2008, 08:01 AM
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Sylvan515 Sylvan515 is offline
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Need A New Key

When I bought my car it only came with one key I'm owrried that I'll lose it somewhere and not be able to drive so I was wondering how I go about obtaining a second key
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  #2  
Old 04-19-2008, 08:34 AM
Chris S Chris S is offline
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  #3  
Old 04-19-2008, 02:21 PM
calypso1979 calypso1979 is offline
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only way is to go to the dealer or buy one online and have it laser cut by a locksmith but that will run you more than the deal. At the dealer they are usually $60-$70.
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  #4  
Old 04-19-2008, 04:01 PM
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Sylvan515 Sylvan515 is offline
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haha I'm assuming that I can't get one at Wal-mart or Autozone?
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  #5  
Old 04-19-2008, 04:13 PM
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  #6  
Old 04-19-2008, 04:15 PM
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Sylvan515 Sylvan515 is offline
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wow that sucks
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  #7  
Old 04-19-2008, 04:58 PM
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Yep, I paid 5 or 6 bucks and got about 3 extra keys for my Supra at a hardware store.

For the Bimmer, gotta pony up about 10 times that.

Now with the E39, prices are above $200......
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  #8  
Old 04-19-2008, 06:49 PM
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Is there a reason why they are that expensive?
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  #9  
Old 04-20-2008, 01:01 AM
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Quote:
Originally Posted by Sylvan515 View Post
Is there a reason why they are that expensive?
Well, laser cutting is pricey. Sorta. Also, in Jan 1995 they added a microchip to the key which communicates wirelessly with the ignition switch to determine if it would engage the fuel system and starter motor.

Of course, your car wouldn't have the microchip, so the simple answer is: because they can.
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  #10  
Old 04-20-2008, 05:09 AM
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Well, I know it is a bit sad but...

I felt the need to upgrade my key - it previously had a very dim yellow light. I added two batteries and a much brighter blue LED.

Whilst I had the key open I saw the security chip. I was very relieved that the upgrade didn't stop the key from working! It is a bit weird that the chip doesn't seem to be wired to anything - it is just a sealed unit???

Sorry for the hijack but I didn't want to make a new thread for this.
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  #11  
Old 04-20-2008, 12:36 PM
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Jim Spence Jim Spence is offline
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I bought two from the dealer - $65.
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  #12  
Old 04-20-2008, 02:17 PM
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Sylvan515 Sylvan515 is offline
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Quote:
Originally Posted by -Matt- View Post
Well, I know it is a bit sad but...

I felt the need to upgrade my key - it previously had a very dim yellow light. I added two batteries and a much brighter blue LED.

Whilst I had the key open I saw the security chip. I was very relieved that the upgrade didn't stop the key from working! It is a bit weird that the chip doesn't seem to be wired to anything - it is just a sealed unit???

Sorry for the hijack but I didn't want to make a new thread for this.
haha upgraded keys...maybe you should have painted the emblem or added some chrome moulding?
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Pending-headlights
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  #13  
Old 04-20-2008, 02:37 PM
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Quote:
Originally posted by Sylvan515
haha upgraded keys...maybe you should have painted the emblem or added some chrome moulding?


Actually the button does have a chrome BMW emblem on it!
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  #14  
Old 04-20-2008, 02:54 PM
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Sylvan515 Sylvan515 is offline
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Current-Kenwood stereo, window tinting, dual 12" 1200w Kenwood subs, 1000w Kenwood amp, amber delete tail lights
Pending-headlights
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  #15  
Old 04-24-2008, 03:18 AM
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I have seen blanks for early cars without EWS on Ebay. You can always ask your dealer if they have someone local who cuts their keys.

I know my dealer has a local locksmith who cuts keys for them if there is a dealy in getting keys through BMW Australia.
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  #16  
Old 04-24-2008, 11:26 AM
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Quote:
Originally Posted by -Matt- View Post
Whilst I had the key open I saw the security chip. I was very relieved that the upgrade didn't stop the key from working! It is a bit weird that the chip doesn't seem to be wired to anything - it is just a sealed unit???
Yes, it communicates wirelessly with a very, very small, weak transmitter.
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  #17  
Old 04-24-2008, 01:26 PM
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It isn't even wired to the battery!!!

I think it must be like the RF ID tags used in clothing store security tags:
http://en.wikipedia.org/wiki/RFID

ie: The transmitter + receiver are both in the car. When the key is in close proximity to the transmitter the chip re-radiates the signal at a slightly different frequency. This is then detected by the receiver in the car.
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  #18  
Old 04-24-2008, 04:57 PM
estoril blu estoril blu is offline
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Quote:
Originally Posted by -Matt- View Post
Well, I know it is a bit sad but...

I felt the need to upgrade my key - it previously had a very dim yellow light. I added two batteries and a much brighter blue LED.

Whilst I had the key open I saw the security chip. I was very relieved that the upgrade didn't stop the key from working! It is a bit weird that the chip doesn't seem to be wired to anything - it is just a sealed unit???

Sorry for the hijack but I didn't want to make a new thread for this.
SWEET
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  #19  
Old 04-24-2008, 09:07 PM
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DRKREVRND666 DRKREVRND666 is offline
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This Thread Was Very Helpful I I Need A Few Keys I Have A 96 318 Is And I Was Wondering The Same Thing . Does The Valet Key Have The Same Thing In It ? Thanks For The Help
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