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E89 2009 30i key fob

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Phoenixboy
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E89 2009 30i key fob

Post by Phoenixboy » Sat Jan 21, 2023 7:40 pm

Done a bit of research, but would appreciate advice guys.
Low battery key fob warning has popped up on display.
Not got comfort access, so it appears these are rechargeable batteries, but not a straight forward battery replace.
Am guessing the battery has possibly reached the end of its best life, but am attempting to charge on the toothbrush charger.
Any suggestions, or is it a case of a replacement fob from BMW at £180.00.
Are there people that can do an effective fix, or is it a gamble and not worth the hassle.
E89 s drive 30i manual/gone
space grey
Carbon interior trim
19" Veeman FS 25`s
cruise control
m sport seats
stubby
led halo bulbs
z4 forum sticker, for added power.
OEM wind deflector
Gone, E85 Ruby Black.

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Christopher72
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E89 2009 30i key fob

Post by Christopher72 » Sat Jan 21, 2023 9:49 pm

viewtopic.php?p=1974128#p1974128

Already a topic on this question... just a quick soldering replacement.
Use a utility razor blade to cut the seam on the original key case... wear a glove to protect your hand is often good advice.
Last edited by Christopher72 on Sat Jan 21, 2023 10:32 pm, edited 1 time in total.
Christopher
2011 E89 Sdrive35i - Deep Sea Blue, Beige Kansas Leather
'fits in progress - PDC, Cameras, Comfort Access, Respray/Correction - all queued for poor weather.
(9) E46 convertibles; (1) E39 540i; (2) E36 Z3 roadsters; (1) Pre-prod E36 Z3- all gone

flybobbie
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E89 2009 30i key fob

Post by flybobbie » Sat Jan 21, 2023 10:02 pm

Loads on ebay, just type in battery and case.
But handy if you have a dremel tool to cut open old case or a fine toothed cheap hobby hacksaw.
New case clips together.

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