Hi guys-

I've seen this part 4 times now, twice on a Nissan, once on a Mitsubishi, and now yesterday on a BMW. It's some device that has an armature and is electrical. It's connected to different things - on the Nissan, it was connected to a coolant hose, on this BMW it's connected to the passenger side control arm (nothing on the driver's side), and on the Mitsubishi, it's connected to the passenger side strut. It's a very light and flimsy part, so it's not for structural strength, and I'm having a problem finding it in the manual (probably because I don't know what I'm looking for). Does anyone know what it is called and what it's function is?

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Looks like a ride height sensor.

It's a ride height sensor. Very common on German cars. You've seen one connected to a cooling hose? Should've taken a picture. Never seen that before  :-?

Thanks. Yes, the first time I saw the sensor was on a Nissan
Lafesta, and it was on attached to a hose. I was intrigued by it, but was in a hurry doing an inspection. The client is a friend, I will swing by his house and take a picture.

So, why have a ride height sensor on vehicles without adjustable suspension? The Nissan and BMW I'm sure do not have auto adjustable suspension. The mitsubishi pajero had so that makes sense.

K-Mech wrote on Apr 14^th, 2021 at 10:10am:

So, why have a ride height sensor on vehicles without adjustable suspension?

Toyota used them on the Prius to adjust the headlight beam angle.