Finally the Clown Horn is no longer…

[Happy Polar Bear]

If someone is looking to add the low tone horn, the factory crash bar does have a factory slot on the passenger side.

That’s good to know. Thanks for sharing! Is the bracket also included? or did you buy it?

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[Rolos]

That’s good to know. Thanks for sharing! Is the bracket also included? or did you buy it?

It does come with the horn, I used Andrew4Supra parts list below. I ended up using different connectors to splice into the factory harness and you will need an M6x16 bolt.

 

[swrdply400mrelay]

Changed out to low tone horn only, much better!

 

[3TMagnetMan]

I have to do this mod.

 

[Mf1ve]

Just finished this mod on my '24 - thanks to OP for the original post and to everyone for their additional tips and info. Absolutely no problem adding the low horn, and now I won't feel like sinking down in the seat when I hit the horn.

 

[Carbon0]

It does come with the horn, I used Andrew4Supra parts list below. I ended up using different connectors to splice into the factory harness and you will need an M6x16 bolt.

Which connectors did you end up using? I wonder if I can use this https://a.co/d/bvh6SY4

 

[Andrew4Supra]

Which connectors did you end up using? I wonder if I can use this https://a.co/d/bvh6SY4

~ my bmw tech installed it... so I'm not certain which ones he used from the parts obtained. Maybe these install photos with aid?

 

[The1DoubleN]

Had my mechanic do this Z4 horn mod, finally sounds like I'm driving a real car, strongly recommend! After 4 long clown horn years, no more!

 

[suppy]

Just in case anyone wanted any additional info on replacing the high horn with the oem bmw low horn. The low horn faces the opposite way of the high horn (as I assume it was meant to be installed on the passenger side, high horn is installed on the driver side on the Supra only). You can make the low horn fit on the driver side using the existing connector/bracket, though it will be a bit tighter. If you want to do the wiring and want both horns, there is a threaded hole available on the passenger side to install the low horn.

It's was really annoying for me to try to install it on the existing horn bracket as space is really tight to fasten the nut. Could barely fit wrench between the bumper bar and the horn bracket.

 

[Marco_77_LightWeight_Evo]

Gonna doing that Job!
Original Horn sucks.
Do you confirm that original ciruit can support 2 Horns tohgheter?
i mean: 2 Horns togheter should absorb 4,5+4,5 A (total 9A), so
horn circuit should give at least 10A.
Thanks in advance

 

[calico810]

I’ve been wanting to do this great idea!

 

[The1DoubleN]

Gonna doing that Job!
Original Horn sucks.
Do you confirm that original ciruit can support 2 Horns tohgheter?
i mean: 2 Horns togheter should absorb 4,5+4,5 A (total 9A), so
horn circuit should give at least 10A.
Thanks in advance

Yes, that's accurate.

 

[raiu]

Without further delay … here are some videos… amazing results!

This sounds great! Any general advice for how to install?

 

[Marco_77_LightWeight_Evo]

Job Done! Works perfectly !

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