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Weird Problem on my 88 735i

1K views 1 reply 2 participants last post by  KC Ron Carter 
#1 ·
Hi guys i got a weird problem on my car its a 1988 735i 5 speed
everytime i shut the car off it loses it memory like radio,trip,time
and date on OBC ect ect... im not sure why this is happing and it runs
fine so any input would be helpful.

Thanks
 
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