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Performance spoiler coming off

Anyone with a performance 3 have their spoiler coming away? It’s the second time it’s happened, I mentioned it on a service visit and they changed it.

Now dirt gets in the corner and when it rains or I wash the car, the dirt streaks down the car.

A46C6069-27B8-467F-9AAA-CA32171955AD.jpeg
C32D8E29-B13B-4987-84DA-4D141BD00484.jpeg
 

P3dStealth

Active Member
Nov 12, 2019
1,178
1,429
USA
I have the spoiler in my closet and I don't put it on because of all these posts about it coming off. Also I am not sure I like the way it looks.

Anyway, has anybody tried to solve this issue themselves? Why not silicone the corners on or use a glass adhesive? My previous vehicle had a recall for a front hood cowling that could come off. The recall called for it to be removed, cleaned and then this beta seal adhesive was applied. It never budged in 10 years after. I am pretty sure glass adhesive can be removed though since they cut it out when you break a windshield.

Beta Seal Glass Adhesive https://www.amazon.com/dp/B0182RGDP8/ref=cm_sw_r_sms_apa_i_sII9Eb3AXCQQ5
 
Remove it using a little heat action while ‘sawing’ with 15 lb (ish) fishing line... hold the ends of the line away from the car.

Remove the adhesive by slowly rub / rolling with your fingers. Be meticulous here and final clean with alcohol.

There are 2 locator horns to help setup final placement (at least on the MY)

Use 3M molding tape... I used 1/2 and 7/8 Carefully trim the ends to ensure the tape is not touching the edge... I used a fresh exacting blade.

The curve is exact and extreme care is needed for proper placement. Dry fit to find the best match for lay down and mark the ends with tape as a guide.

remove tape from one of the guide horns and position... press firmly at the horn for transfer. If good repeat with the second alignment horn.

Remove all the tape and slowly mate the spoiler using the guide horns until it just kisses the car... firmly work from the center to the ends.

As good as it can be done but it takes some time and an extra set of hands during fitting is helpful.
 

P3dStealth

Active Member
Nov 12, 2019
1,178
1,429
USA
There are no guide pins on the 3.

I put my spoiler on with the below tape and adhesive promoter (it held with amazing strength instantly) but i didn't like that there was a slight gap maybe a 1mm between the car and spoiler in places. I feel like water runs off the trunk and works it's way into the spoiler adhesive so eventually the corners give.

I put silicone around the top edge and corner. The bottom I left open. It's hard to see in the pictures because the bead is flush or slightly under the spoiler. I taped it off and spread it out. Then just took a paper towel and my finger nail to make the bead under or flush. The silicone is easy to wipe off the trunk before it's dry. It comes up with paper towel. After it's dry you can peel it off if you want.

There is no movement of my corners at all now. Time will tell how long this holds but it's been about a month already.

https://www.amazon.com/dp/B006QYB3JG/ref=cm_sw_r_cp_apa_i_IMwnFbVS4Z449

https://www.amazon.com/dp/B00B3I1JR6/ref=cm_sw_r_cp_apa_i_.MwnFbM1MD7ZP

https://www.amazon.com/dp/B000AL6WLA/ref=cm_sw_r_cp_apa_i_eOwnFb1300JT0

IMG_20200813_120818.jpg IMG_20200813_120753.jpg
 
Anyone with a performance 3 have their spoiler coming away? It’s the second time it’s happened, I mentioned it on a service visit and they changed it.

Now dirt gets in the corner and when it rains or I wash the car, the dirt streaks down the car.

View attachment 556634 View attachment 556635
Sadly yes, on my 3rd one now in 8 months (this one looks like its sticking !)
 

Dangerous Fish

Pilots the Millennium Milkfloat
Supporting Member
Jul 21, 2016
2,109
4,747
UK
Surface prep is vitally important to ensure they stick at the ends. So if you're putting the original one back on you must get rid of all the adhesive residue on the spoiler then clean it and the boot lid with IPA (not the beer!) then apply VHB tape to the spoiler (genuine 3M, not a cheap knock-off tape) then use adhesion promoter on the boot lid and when and you've done all that you can stick it on and keep pressure on it all the way along for several minutes if possible (boring, but it will help it to bond).
If the weather is cool, warming the boot lid with a hot air gun first will also help.
 
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Neilio

Active Member
Jul 8, 2020
1,071
673
Brentford
Just improve the look of your car by taking it off?

Kind of joking there. If mine does the same I'll be happy. As ugly and unnecessary as the spoiler is, given it's part of the car I'd be unhappy if it just came off. I'd also be in the service centre to fix it. Don't see why I should DIY fix something that is a warranty fault.
 
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P3dStealth

Active Member
Nov 12, 2019
1,178
1,429
USA
Just improve the look of your car by taking it off?

Kind of joking there. If mine does the same I'll be happy. As ugly and unnecessary as the spoiler is, given it's part of the car I'd be unhappy if it just came off. I'd also be in the service centre to fix it. Don't see why I should DIY fix something that is a warranty fault.

I think it looks good. Mine is not under warranty. It was $70 on eBay.
 

Durzel

Active Member
Jul 17, 2019
4,681
3,576
Bath, UK
Mine’s coming away on one corner now, pretty much the same as the OP’s photos. Other side seems fine, for now.

So much for thinking that my car (March 2020) had escaped unscathed from the various foibles that seem to beset the Model 3 :(

Are SCs likely to put much effort in to rectify it? i.e. surface prep etc, or is this going to be a thing I’m repeatedly going to have to go in for?

groan
 

P3dStealth

Active Member
Nov 12, 2019
1,178
1,429
USA
There are no guide pins on the 3.

I put my spoiler on with the below tape and adhesive promoter (it held with amazing strength instantly) but i didn't like that there was a slight gap maybe a 1mm between the car and spoiler in places. I feel like water runs off the trunk and works it's way into the spoiler adhesive so eventually the corners give.

I put silicone around the top edge and corner. The bottom I left open. It's hard to see in the pictures because the bead is flush or slightly under the spoiler. I taped it off and spread it out. Then just took a paper towel and my finger nail to make the bead under or flush. The silicone is easy to wipe off the trunk before it's dry. It comes up with paper towel. After it's dry you can peel it off if you want.

There is no movement of my corners at all now. Time will tell how long this holds but it's been about a month already.

https://www.amazon.com/dp/B006QYB3JG/ref=cm_sw_r_cp_apa_i_IMwnFbVS4Z449

https://www.amazon.com/dp/B00B3I1JR6/ref=cm_sw_r_cp_apa_i_.MwnFbM1MD7ZP

https://www.amazon.com/dp/B000AL6WLA/ref=cm_sw_r_cp_apa_i_eOwnFb1300JT0

View attachment 575821 View attachment 575822

Just posting an update for people that look to install one of these spoilers themselves. Mine is still perfect and I am in the northeast with some pretty harsh climate.
 
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