Thread: Z4 E89 / 3er E93 / 4er F33/F34 -Urgent recommendation to replace the hardtop relais
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      08-09-2018, 07:29 AM   #18
sgt3966
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Drives: 2015 Z4 & 2016 X3
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Quote:
Originally Posted by RobbiZ4 View Post
Don't worry, the part number
12631742690 is correct.

BMW TeileNr 12631742690
https://www.realoem.com/bmw/de/parts...&q=12631742690
Thanks. Going to order 2. A couple of questions. How do you know if they are bad or going bad and how often do you think they need to be replaced?
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