BMW ?. What is the little red light and aerial on the rear vision please i39ve just got a bmw 320i 2002 and carnt work out what

s.c, Apr 6, 8:10am
What is the little red light and aerial on the rear vision please I've just got a BMW 320I 2002 and carnt work out what it issorry silly blonde question

saxman99, Apr 6, 9:51am
Some models have the receiver for the IR key remote in the mirror. Could be related to that!

elect70, Apr 6, 1:40pm
yepIr forcentral lockingpoint the key at it & press button .

s.c, Apr 6, 5:36pm
Thanks I thought it was an alarm

footplate1, Apr 7, 7:30am
Don't worry - I had the same question for ages.I have one but it is irrelevant as I have a separate alarm system.

wokkie2000, Apr 10, 6:00am
It's to say your flux capacitor needs recharging