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      08-31-2015, 01:48 AM   #81
dazz100
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New Zealand
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Drives: BMW 325i E90 2008
Join Date: Apr 2015
Location: New Zealand

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Hi

Some more notes:

I brought the ultrasonic sensors from China (Aliexpress).
They look identical to genuine sensors and have "Made in Spain" written on them. They are cheap enough that if they turn out to be lemons, I'll throw them away and buy some used ones.

If you are considering doing a PDC upgrade, you might as well do both front and rear. The only difficult part is getting through the firewall. The cable goes back to the controller located in the right rear of the boot. The fuse panel work has to be done regardless of whether you go for front and/or rear PDC.

The front bumper skin is easier to remove than the rear. There are plenty of on-line guides.

On my car, the locations of the sensors were clearly marked on the inside of the bumper skins front and rear. Before drilling holes, I did make sure that the sensors would fit around the bumpers and other body work. There was plenty of space so not a problem.
Appreciate 0