E46 Auto Wiper/Headlights Sensor Malfunction?

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wingzee

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Hi all,Never really tried the auto headlights/wiper function until a month after I got my car. Tried it out today for auto wiper & headlights & both are not working.-- Auto Wiper: To activate, set to 1 position above off. Wiper will wipe once to which meant auto function has been activated. -> Mine works like normal wiper which swipe intermittently, even when it's not raining. -- Auto Headlight: To activate, turn knob to Auto. Headlight will only activate when it's dark. -> Mine still on even with bright daylight.Took off the sensor module cover (behind rearview mirror) & it seems like the infrared sensor still attached to the windscreen.Was thinking either the fuse might have blow or rain/light sensor (comes together) malfunction.Have not plugged in for scanning yet.Just wondering anyone had this part failed before? (Part 7)http://www.realoem.com/bmw/showparts.do?model=EV35&mospid=47689&btnr=61_0169&hg=61&fg=15
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Just an update:

RLS module missing. Grab a used one from Z4 for RM200 and works like a charm now. Quite sensitive too. Headlights auto-on normally about 6.30pm and wipers turned on automatically even during light drizzle. :)
 
Ojwong;795183 said:
Goood, where did u source it bro?

Got it one from of the chop shop at Metro Perdana, Kepong. Brand new costs about RM780 the last I asked. :)
 
Hi, I might have the same problem like you. Do you have any picture of the
RLS module??
Thanks.

wingzee;795173 said:
Just an update:

RLS module missing. Grab a used one from Z4 for RM200 and works like a charm now. Quite sensitive too. Headlights auto-on normally about 6.30pm and wipers turned on automatically even during light drizzle. :)
 
unfortunately i don't have any diagnostic tools. I'm just guessing that my RLS kaput since the symptoms is similar like yours before:
any advice before i commit with the RLS?

-- Auto Wiper: To activate, set to 1 position above off. Wiper will wipe once to which meant auto function has been activated. -> Mine works like normal wiper which swipe intermittently, even when it's not raining.
-- Auto Headlight: To activate, turn knob to Auto. Headlight will only activate when it's dark. -> Mine still on even with bright daylight.
 
mamamia;795418 said:
unfortunately i don't have any diagnostic tools. I'm just guessing that my RLS kaput since the symptoms is similar like yours before:
any advice before i commit with the RLS?

-- Auto Wiper: To activate, set to 1 position above off. Wiper will wipe once to which meant auto function has been activated. -> Mine works like normal wiper which swipe intermittently, even when it's not raining.
-- Auto Headlight: To activate, turn knob to Auto. Headlight will only activate when it's dark. -> Mine still on even with bright daylight.

Run a diagnostic test. Diagnosis will show whether the RLS has kaput or is unavailable (cannot connect).
 
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