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M3 Struts for Trunk/Frunk Auto-Lift

elecTED

Member
Jun 21, 2019
325
320
Bristol, UK
There’s been quite a bit of discussion on various threads about replacement struts but couldn’t find a dedicated one.

Has anyone successfully replaced the OEM struts for after-market ones and really happy with the results?

The struts themselves can be bought for as little as £10 a pair which seems very surprising given the job they are performing.

Some issues I’ve read about after replacement include:

- the frunk/trunk being difficult to close
- the struts failing to operate after some days/weeks
- the frunk opening violently and vibrating like a tuning fork
- possibility of frunk bending/distorting after repeated closure due to stiff struts
- people going back to the OEM solution due to the issues they’ve had

Just wondering if anyone has discovered a high quality product that delivers reliable smooth opening and doesn’t provide too much resistance when closing the trunk/frunk?

Also, where do we stand with warranty when making this type of mod?
 
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davidmc

Active Member
May 20, 2019
1,543
1,642
Leicester
Bought the frunk and trunk struts.

Not received the trunk yet

Frunk I received from Amazon, Lesgos brand cost about £16. Sent back today as they do not work. Not worth the money. Looking at pictures on Amazon they all seem to be the same, just under different brand names.

The ones that do work are the ones Brian from i1 Tesla uses but hard to source here.
 
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Avendit

Member
Apr 18, 2019
817
535
EDI
I've got some £10 ones to try this week, largely expecting the results noted by @davidmc tbh. Equally, sore to import from the us, but the ones i1 Tesla use are from an American car, probably hence the availability problems here.
 

elecTED

Member
Jun 21, 2019
325
320
Bristol, UK
Trying to consolidate potential strut options.

Taptes Pneumatic Hood Supports for Tesla Model 3 - $24.99
Pneumatic Hood Supports for Tesla Model 3

Abstract Ocean Trunk Strut Upgrade for Model 3 - $25.99 - product has only just become available
Trunk Strut Upgrade for Model 3

Evannex Trunk lift - $69.95 - currently sold out
Trunk Lift: Pneumatic Hood Supports for Tesla Model 3 (set of two)
Evannex Frunk lift - $49.95
Frunk Lift: Pneumatic Hood Supports for Tesla Model 3 (set of two)

BougeRV Trunk Lift - £31.99
https://www.amazon.co.uk/BougeRV-Au...ords=model+3+trunk+lift&qid=1571218848&sr=8-8)

I've avoided listing other cheap strut products from Amazon/eBay as it sounds like they should be avoided like the plague.

Any other good quality strut option that could be added to the list above?

Has anyone fitted any of the above products? If you have, could you provide feedback and if possible a video of the open and close operation.

The Evannex struts have the highest price point. Can we assume these the are best quality struts currently available?

[Not sure why we're even discussing replacing struts on a brand new £40K+ car! ;)]
 
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Roy W.

Battery running low...
Jun 3, 2019
2,309
2,319
Derby, UK
I see that Abstact Ocean now have rear strut replacements for the Model 3 at $25.99. Hopefully these will be the sort of quality we need and expect.

They also have an installation video, which I watched on YouTube in the car :D

I have a coupon code for $10 off your first order at Abstract Ocean - send me a message if you want it.

(To send me a message touch my username, then touch Start a Conversation.)
 
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ajp558

Member
Aug 8, 2019
54
77
Hampshire, United Kingdom
I installed the BougeRV front trunk struts from Amazon last night and they work as expected, opening the lid every time as soon as the latch is unlocked from the phone app or the Tesla "Drive" app I just installed on my Samsung Galaxy watch. They are definitely much, much better than the cheaper lesgos struts also from Amazon that I had to return last Friday.

https://www.amazon.co.uk/dp/B07X8V53BG/ref=cm_sw_em_r_mt_dp_U_wEWPDbW03QV04

If I go for rear trunk struts then I would probably try the BougeRV ones linked in elecTED's post above.
 

KennethS

Supporting Member
May 3, 2019
510
357
UK
I installed the BougeRV front trunk struts from Amazon last night and they work as expected, opening the lid every time as soon as the latch is unlocked from the phone app or the Tesla "Drive" app I just installed on my Samsung Galaxy watch. They are definitely much, much better than the cheaper lesgos struts also from Amazon that I had to return last Friday.

https://www.amazon.co.uk/dp/B07X8V53BG/ref=cm_sw_em_r_mt_dp_U_wEWPDbW03QV04

If I go for rear trunk struts then I would probably try the BougeRV ones linked in elecTED's post above.
That is very useful info, thanks. I am very tempted. When closing the frunk do they require more effort to close and latch? That is my last remaining concern on the front ones, since the bonnet is fiddly to close with the stock (and presumably less sprung) front struts already.
 

ajp558

Member
Aug 8, 2019
54
77
Hampshire, United Kingdom
Yes KennethS, you can definitely feel a bit more resistance from them as you start to pull the trunk lid down, when the struts are at their maximum extent.

However, as the lid comes down, that resistance feels less and less and by the time you are using both hands to push the lid down and latch it, the effort does not feel any more than the stock struts. I have already ordered the lighter spring mentioned elsewhere on these forums, as I am hoping that will make the final latching action a bit easier and more like the way I want. I was not happy with the effort to latch trhe lid closed using the OEM struts, and I don't think that is made any worse by the more powerful BougeRV struts.
 
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VanillaAir_UK

Supporting Member
Jun 17, 2019
7,976
5,473
Surrey, UK
I've found a circumstance where allowing the boot to open in an uncontrolled manner may cause a problem.

Reversing up to a local charger, to the rear was a 'EV charging only' sign on a pole. Whilst we were close, but still some distance from the pole, as we opened the boot to get the charge cable out, the lip of the boot very narrowly missed hitting the sign. I've not measured the overlap of boot lid, but from this observation (in very wet weather conditions), I would say that being close to a tall object or wall at rear of car risks boot lid hitting that object when the boot lid is raised.
 

tess19

Member
Jun 28, 2019
430
239
birmingham
Anyone manage to tweeted Elon for his thoughts of providing official struts upgrade and to include that in standard spec in future models. Especially if its no more than £20 in a 40k car.
 
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phillcom3

Member
Jul 27, 2019
566
106
preston
I seriously can see these spring struts eventually bending the trunk main hing mounts or shearing the bolts or similar. They would have certified the closer mechanisms for hand pressure only and not the need to overcome spring force too. This will keep weight down etc as otherwise you need thicker main beams on them.
I'll wait untill I see or hear reports of peoples boots and frunks cracking and or bending thanks to these things before I get one I think.
 
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ebraith

Member
Oct 2, 2019
24
18
UK
Seriously, how much force do you think is being applied here??? The mount points will have been tested to forces orders of magnitude higher that what’s being talked about. You don’t want a scally just pulling your frunk or boot up do you, or it coming open during a crash.

I’ve fitted rear struts. Nothing is going to bend or break.

worst case scenario it will be the plastic around the strut itself will break (which I’m doubtful of).

The main reason for these things not being standard is that people will forget and open up when there isn’t enough clearance. Other cars have sensors to stop this, these cost money. When you fit then you take the risk.
 

BelfastEV

Member
Jul 7, 2019
273
176
Belfast
I see that Abstact Ocean now have rear strut replacements for the Model 3 at $25.99. Hopefully these will be the sort of quality we need and expect.

They also have an installation video, which I watched on YouTube in the car :D

I have a coupon code for $10 off your first order at Abstract Ocean - send me a message if you want it.

(To send me a message touch my username, then touch Start a Conversation.)

Did you get these yet ?
 

Bernard_S

Member
Jun 21, 2019
292
136
Kettering UK
Has anyone installed a decent set of frunk and trunk struts that you are completely happy with and don’t intend to switch back to the OEM ones?

No, but I have installed a couple of furnk and trunk ones that didn't work reliably. Both returned to Amazon for refund. They sometimes opened but the biggest problem was the violent stopping at the end of travel. Both sets didn't have the end of travel damping that the Tesla's have.

I reverted back to standard.
 

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