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Old 09-27-2012, 12:37 AM   #1
aahmed2016
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Aftermarket Reverse sensors?

Hey everyone,
I was squirreling ebay, and I found this, http://www.ebay.com/itm/Reversing-Se...item35bdda27d8 for just 20 bucks, I bought from this guy before, and have trust in them. It's just that Does anyone know how difficult it would be to install these? As far as I can guess, here are steps.
Mount hardware [monitors and whatnot] run wiring under carpet, remove rear bumper, drill bumper, install the sensors, and then I would be straight. If that's so, I'm pretty sure I can do this. But should I?

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Old 09-27-2012, 01:28 AM   #2
paraklas
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I did this DIY on a friend's saloon. I drilled the bumper strip where the OEM sensors mount, conveniently behind that plastic strip, the bumper cover has the necessary holes for the sensor to mount. Right side of the car there's a rubber grommet where you will need to run the wires inside the car. Pretty straightforward
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Old 09-27-2012, 07:02 AM   #3
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interesting and tempting.... all you need to do is take out the black wide molding on the rear lower bumper and install them on that... no need to take off entire bumper.

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Old 09-27-2012, 07:43 AM   #4
NOVAbimmer
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looks like an advertisement to me?

ooh, it has a double cpu and an advanced chipset
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Old 09-27-2012, 12:16 PM   #5
aahmed2016
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Quote:
Originally Posted by paraklas View Post
I did this DIY on a friend's saloon. I drilled the bumper strip where the OEM sensors mount, conveniently behind that plastic strip, the bumper cover has the necessary holes for the sensor to mount. Right side of the car there's a rubber grommet where you will need to run the wires inside the car. Pretty straightforward
You think you could do a pictoral DIY, or find one for me? I really want to do this, but I need something to fall back on..
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Old 09-27-2012, 08:35 PM   #6
aahmed2016
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Quote:
Originally Posted by pawelgawel View Post
interesting and tempting.... all you need to do is take out the black wide molding on the rear lower bumper and install them on that... no need to take off entire bumper.

Sent from my SGH-I727R using Bimmer App
Yeah looked at a fewDIY's, and decided to do it on the upper trim, I removed it today, for practice.
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Old 09-28-2012, 01:11 AM   #7
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Haven't taken pictures unfortunately.

1. Remove rear bumper, 2 screws left/right + 2 x T50 bolts seen when you slide under the car, slides out.

2. Remove trunk carpet, backseat cover (if non-foldable seats), battery cover and right side liner

3. Remove bumper strips, pry and pull

4. Drill bumper strips with the correct diameter hole saw, clean the hole from plastic residue and re-install them on bumper

5. Carefully push each sensor into the hole and secure the wires on the bumper with cable ties

6. Run the wires inside the car by punching through the rubber grommet on the right side of the car

7. Secure the control unit above the battery at a convenient spot and connect each sensor on it.

8. The kit requires a tap reverse signal (from +ve reverse light wire, bundled on the right side of the trunk as well), switched positive and ground. Connect ground at the factory ground point, again, on the right side of the trunk. There is no switched positive power in the trunk, so you will have to run a wire into the cabin, along with the rest of the kit's wires, that will go to the cabin panel.

9. Punch through the rubber grommet to gain access to the cabin from trunk. If you can't find the rubber grommet, follow the red battery cable to see where it enters the cabin. Run the wires inside the cabin towards the dash from the right side of the car below the carpeting and covers. Easiest part

10. Remove dash trim, radio, lower steering wheel cover, route the panel wires at a convenient spot and use the supplied double sided tape to secure the panel. (I secured the panel on the steering wheel column, concealing wires too this way)

11. Use a voltmeter to find the radio's switched 12v and tap on that to power on the parking sensor unit.

12. Test and re-install covers etc etc.
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