Hub Cap NIGHTMARE
I have just installed new wheel spacers on my E63s, however what was supposed to be a very simple and quick job turned into an 6 hour, hub cap socket breaking, new tool buying, frustrating overall experience.
For reference my car has the stock AMG wheels on it, with, what I think are typically referred to as “floating hub caps”? I’m sure many of you are aware of this and I’ve read some forum posts from earlier regarding, what I consider to be a terrible plastic socket for taking these things off. I stripped it, broke it and completely ****ing ruined my hub socket, as well as two of the hubs themselves, due to the fact of what must have been a previous owner of my car, or the dealer torquing the **** out of the hubs.
So my questions are..
1. Can I leave the hub caps off of the car, or will something go wrong with the large threaded hole in the centre of the wheels? I don’t exactly love the look, which leads me to my second question.
2. If it exists, is there a smaller, aftermarket or OEM part that someone can recommend me to buy to thread in to the center of the wheels, that DOES NOT cover the lugs? In other words are there center caps available that will plug in with no issues?
3. If I do end up buying new stock, original replacement hubs, is there a good solution someone can recommend me to MAKE SURE these things never EVER get seized / stuck again?
Any and all advice/knowledge is appreciated!
Thanks in advance








Last edited by Baltistyle; May 14, 2025 at 08:39 AM.












That said, the hub has a torque value on it (Specified tightening torque: 18 lb-ft, 25 Nm... which isn't much). Take a toothbrush and clean the male and female threads, inspect carefully to make sure the threads aren't damaged by the prior mechanic cross-threading. You can put a tiny smidge of anti-seize grease on the threads. Dis-similar materials tend to seize. But if you tighten properly, you'll not have the problem again. Unfortunate Easter egg you discovered.
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