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Replacing locking wheelnut key…
jps - 8/9/25 at 05:14 PM

Just bought an MX5 and although it came with a set of 4 locking wheelnuts, no sign of a key. Has anyone got recommendations for how to get a replacement one?

They aren’t fitted to the car, so not an immediate problem, but I don’t want to bin them if I can easily/reliably get a key…
No idea if they are OEM (it was an MX5 Montana special edition but not sure if it would have been supplied with the nuts or not…)

jacko - 8/9/25 at 05:28 PM

I don’t know but can you drive the car to Toyota main dealership they may have a set of each key
G

Partofthechaos - 9/9/25 at 07:44 AM

That would be my suggestion too, if they are OEM a new key should be possible.

loggyboy - 9/9/25 at 09:06 AM

Do people even bother with them anymore? Their so easy to remove without the key i think they are dead tech. Bin em.
Also gone are the days where alloys are silly money to replace, used be 1/5th of a used cars value in a set of good alloy wheels. Admittedly the tyres are probably more valuable now but you just dont hear of wheel thefts these days.


[Edited on 9-9-25 by loggyboy]

nick205 - 9/9/25 at 09:21 AM

Had the same issue a while back and MIG welded 19mm nuts to the locking wheel nuts - problems solved.

adithorp - 9/9/25 at 11:39 AM

quote:
Originally posted by loggyboy
Do people even bother with them anymore? Their so easy to remove without the key i think they are dead tech. Bin em.
Also gone are the days where alloys are silly money to replace, used be 1/5th of a used cars value in a set of good alloy wheels. Admittedly the tyres are probably more valuable now but you just dont hear of wheel thefts these days.


[Edited on 9-9-25 by loggyboy]


This ^ as they're not fitted.

If you really want them he dealers are a pain to deal with for this (had lots of customers try). There are places on the web where you can send vehicle details and photos of the nuts and theyll match and send out a lock key.

It's probably easier and cheaper to go to your local motor factor and buy a new aftermarket set. Think last ones we got were around £20.

coyoteboy - 9/9/25 at 12:08 PM

quote:
Originally posted by loggyboy
Do people even bother with them anymore? Their so easy to remove without the key i think they are dead tech. Bin em.
Also gone are the days where alloys are silly money to replace, used be 1/5th of a used cars value in a set of good alloy wheels. Admittedly the tyres are probably more valuable now but you just dont hear of wheel thefts these days.


[Edited on 9-9-25 by loggyboy]


I think you may be glossing over a few things. Not to be contrary but....

My locking nuts are not "hammer a socket over" removable, or drillable. Attempting either will break them off and leave them embedded, requiring welding. That said, you're questionign the value of wheels. Mine are 775 each + VAT on a 10K used car. They still sell for 2K a set used with a few scuffs.

Sure an MX5 is a little different, but mine isn't exactly a porsche either, and my tyres are nearly 300 per corner. So hey, I see your point, but it's not black and white lol. Last time I needed a replacement key I walked into the dealer, gave my VIN, went back 2 days later.

Given the fact that theives are currently *hacking the headlights out of the bodywork* because the headlight units are 2K a pop, don't think the market for pinched parts is going down lol
Headlight theft
Headlight theft

[Edited on 9/9/2025 by coyoteboy]

jps - 9/9/25 at 03:26 PM

quote:
Originally posted by coyoteboy
Last time I needed a replacement key I walked into the dealer, gave my VIN, went back 2 days later.
[Edited on 9/9/2025 by coyoteboy]


That's handy to know, will at least give this a try.