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AIR BAG AND RESTRAINTS WARNING LIGHT

BMW forum 5 series car: E12, E28, E34, E39, E60, E61, F07, F10, F11

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AIR BAG AND RESTRAINTS WARNING LIGHT

Postby K10 DBC » Fri, 09 Mar 2012 15:53:07 UTC

hi everyone I have scrolled through for info regards to this but cant seem to find any unless i have missed it . I had the warning light come on for airbag and restraints . I took the the car to rsj indy dealer in birmingham who said it was a passanger side floor matt sensor that needs to be replaced at cost of 220.00 which money i cant really folk out at the moment. its been on for a month now any suggestions would be a great help .regards :roll:
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby sweeper42 » Fri, 09 Mar 2012 18:50:14 UTC

I know there is a mat sensor in the passenger seat which is very sensitive even a carrier bag with something small in it or if your passenger does not put their belt on this will set of your seat belt warning, and i did read on one of the forums that they can go faulty! Are you sure the mechanic told you a "floor mat" sensor?
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby sweeper42 » Fri, 09 Mar 2012 19:42:10 UTC

www.bimmerforums.co.uk there is a thread on this forum with a similar title that might help.
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby geordie jay » Fri, 09 Mar 2012 20:50:02 UTC

hi mate this is a regular problem!! i,ve just bought this off ebay and fitted it and has cured problem. after fitting it you might have to get it reset to get light off but apart from that 2mins to fit and believe me im not really mechanically minded and i found it easy to replace.

http://www.ebay.co.uk/itm/320843135773? ... 1439.l2649
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby K10 DBC » Sat, 10 Mar 2012 11:08:42 UTC

thanks for the replies , i have had a look at the item on ebay and will buy this for 12.00 cant really argue .@ sweeper 42 yeah its definatly floor mat sensor he said and he also said that you cant reset the warning light untill you change the part ??
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby mikeyb16 » Sat, 10 Mar 2012 11:54:34 UTC

The e46 passenger occupancy sensor is located in the seat pan. It's notorious for failing and BMW have not modified/improved the design in any way. Your options are:
1. Buy a new sensor mat from m/dealer for approx £120 and fit it yourself - tricky job which involves removal of seat etc
2. Pay BMW to do it all for you for approx £450
3. Buy a bypass unit and fit it yourself for approx £10-15
The choice is entirely yours!
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby K10 DBC » Sat, 10 Mar 2012 11:58:00 UTC

i think ill go with option 3 .thanks :)
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby geordie jay » Sat, 10 Mar 2012 15:27:50 UTC

:rotflmao: :rotflmao: no brainer me thinks :thumbup:
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby mackemx » Mon, 09 Apr 2012 11:59:13 UTC

mikeyb16 wrote:The e46 passenger occupancy sensor is located in the seat pan. It's notorious for failing and BMW have not modified/improved the design in any way. Your options are:
1. Buy a new sensor mat from m/dealer for approx £120 and fit it yourself - tricky job which involves removal of seat etc
2. Pay BMW to do it all for you for approx £450
3. Buy a bypass unit and fit it yourself for approx £10-15
The choice is entirely yours!


K10 DBC wrote:i think ill go with option 3 .thanks :)


as you can see the item earlier linked by geordieJay1 has now been removed :?

if anyone goes for option 3 then be careful what you buy as some sellers don't have a clue how to make them as they show UNOCCUPIED in INPA and have also been shown to simply wrap wires, rather than solder them!

this is a bypass that is one of the smallest, takes seconds to fit an it shows as OCCUPIED and therefore makes the passenger airbag active

http://www.ebay.co.uk/itm/330904462513
Last edited by mackemx on Sat, 22 Jun 2013 17:29:11 UTC, edited 1 time in total.
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby taffy bhoy » Mon, 09 Apr 2012 12:11:24 UTC

cheers for the link, got the same problem, might just go for that one
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby taffy bhoy » Wed, 11 Apr 2012 21:12:03 UTC

ordered monday, arrived this morning, very neat subtle unit, just plug and play. just got to fit the thing now lol
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby sweeper42 » Thu, 12 Apr 2012 19:42:43 UTC

taffy bhoy wrote:ordered monday, arrived this morning, very neat subtle unit, just plug and play. just got to fit the thing now lol


What you will find when you fit it, you will still have to take it to a garage to reset the warning light on the dash and you iv also been told it will make the seat occupied and would get that bleeping sound so you have to put the seat belt in and i have also read on hear that the car will fail its MOT by having to put the sat belt in to stop the beeping.Iv just fitted mine its a 2 minute job and i just got to get warning light re set now and i was gutted to read about the MOT issue.
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby taffy bhoy » Sun, 22 Apr 2012 21:15:24 UTC

fitted, took 2 minutes after battery discharge time. light now comes on when first started, then goes back off after about 3 or 4 seconds, job done, happy days, no reset needed, and no warning buzzer either
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby sweeper42 » Mon, 23 Apr 2012 20:05:36 UTC

When i fitted my bypass i had to put the passenger seat belt in as the bypass unit was showing that the seat is occupied and the buzzer sounded (this would activate air bag) so If your not getting the seat belt buzzer then your bypass module must be showing an un occupied passenger seat and therefore if you were involved in an accident your air bag will not activate.
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby mackemx » Tue, 24 Apr 2012 06:22:29 UTC

sweeper42 wrote:When i fitted my bypass i had to put the passenger seat belt in as the bypass unit was showing that the seat is occupied and the buzzer sounded (this would activate air bag) so If your not getting the seat belt buzzer then your bypass module must be showing an un occupied passenger seat and therefore if you were involved in an accident your air bag will not activate.


where did you get your bypass from sweeper42?

taffy bhoy has an E46 which doesn't flash/sound the seatbelt unfastened warning like an E60 does. All cars illuminate the airbag light bulb as a test during startup because in the past people used to take out/tape up the bulbs :lol:
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby sweeper42 » Tue, 24 Apr 2012 17:50:59 UTC

I purchased this off e bay BMW PASSENGER SEAT OCCUPANCY BYPASS MAT SENSOR AIRBAG E46... item number (230737358610) this shows seat occupied.
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby K10 DBC » Thu, 26 Apr 2012 13:47:40 UTC

good replies - why does it need to be reset on some cars and not on others ?? any one got a diagram of how to fit ?
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby mackemx » Thu, 26 Apr 2012 14:08:09 UTC

sweeper42 wrote:I purchased this off e bay BMW PASSENGER SEAT OCCUPANCY BYPASS MAT SENSOR AIRBAG E46... item number (230737358610) this shows seat occupied.


You got it from me (Smiler_Mac) which is good to know I'm helping members here. I see you have a 5 Series, does your seatbelt light not flash/chime because it's occupied?

K10 DBC wrote:good replies - why does it need to be reset on some cars and not on others ?? any one got a diagram of how to fit ?


PM me your email address and I'll send you a detailed fitting guide as it's got plenty of pics. On your E60 yours is probably behind a flap at the rear of the base of the passenger seat. To be honest it takes seconds as the hardest part is finding the black electronics control box under the seat [:D]

as for the reset thing, it's just down to the individual models and software as some do need a reset and some don't. Unfortunately the E60 is very fussy and does require a reset on most occasions, whereas my E46 isn't and I can unplug and plug in the bypass with the ignition on (NOBODY TRY THIS YOURSELF!!!!) and the airbag light will go on & off accordingly just like a faulty intermittent occupancy mat would
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby e60london » Thu, 26 Apr 2012 16:49:16 UTC

My question i why isnt there a recall? I have been affected by this airbag issue and raised it with bmw GB but they said it isnt recognised as widespread issue. I know e60's in the USA were recalled for his issue.

I hope people are leting bmw know about this issue so they know that it is affecting a lot of owners. after all it is a health and safety issue and WILL fail you an MOT.

Here is the contact details. a quick email should take a few minutes...

[email protected]
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Re: AIR BAG AND RESTRAINTS WARNING LIGHT

Postby sweeper42 » Thu, 26 Apr 2012 18:05:40 UTC

e60london wrote:My question i why isnt there a recall? I have been affected by this airbag issue and raised it with bmw GB but they said it isnt recognised as widespread issue. I know e60's in the USA were recalled for his issue.

I hope people are leting bmw know about this issue so they know that it is affecting a lot of owners. after all it is a health and safety issue and WILL fail you an MOT.

Here is the contact details. a quick email should take a few minutes...

[email protected]


I agree and i urge anyone who has been affected by this to e mail BMW, I just sent an e mail so just waiting for a reply. once i get one i will let you all know what they said.
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