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Question for anyone with "old style" BBS wheels . . .what caused the plastic "nuts" to fall off . .?? . . .when I replace them, how are they "retained" . .??
YES . . .Thank you I am recovering from a stroke, so I still have limited use of my left hand . . .difficult to do some things "one handed" . . . .
and, YES the prices of parts are now ridiculous . . .
I suspect the plastic is now old enough they are starting to become brittle. I had a cap unscrew on the highway last spring, the first time in almost 25 years.
If you need replacements, they show up on eBay fairly regularly still, and eBay Japan more often. The BBS RS seems to be very popular there.
NOTE if the securing collar of the wheel trim has play and could be loosened easily by hand,
I suggest you drill a small hole into the face and put a small stainless screw into the face of the plate to hold the pieces from turning.
Good advices here. I would ad that if your center-surround metalpiece has become a bit convex inwards it can be hard to get it tight, beware of the now brittle plastic threads on the center-nut. The metalpiece can be, very carefully, manipulated back to flat again. Then it goes back to acting as a fine tuned "lock tension washer" when you screw the centerpiece down and will hold it better in place. But judge your plastic threads carefully before this job and "thread" with care...
Good advices here. I would ad that if your center-surround metalpiece has become a bit convex inwards it can be hard to get it tight, beware of the now brittle plastic threads on the center-nut. The metalpiece can be, very carefully, manipulated back to flat again. Then it goes back to acting as a fine tuned "lock tension washer" when you screw the centerpiece down and will hold it better in place. But judge your plastic threads carefully before this job and "thread" with care...
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345! Mine are 245 on 10J BBS RS wheels. What is the width of your wheel?
By the way, I think it was you who mentioned in the Strosek thread the proper way to tighten the center caps: hand tight, followed by an eight of a turn with the BBS wrench.
345! Mine are 245 on 10J BBS RS wheels. What is the width of your wheel?
By the way, I think it was you who mentioned in the Strosek thread the proper way to tighten the center caps: hand tight, followed by an eight of a turn with the BBS wrench.
Doesn't everone has 15 inch 345's on their car? Jokes aside, yes they are insanely wide, same as originally mounted on the back of the Countach/Pantera's/Porsche turbo's of the time. These deep split-wheelrings were a bespoke option to these ultrawide strosek-III kits in order to keep the center of the wheelhub/wheel as close to original as possible, there are no spacers on the hubs. Vittorio's company had these specially made so they are not found anywhere else. I can tell you that they look really mean from the back of my car.
And yes it was me who did that inlay with the tighten procedure...
I was checking my wheel and tire sizes because of a planned alignment job. The tires turn out to be a bit too narrow for the wheel sizes, according to information found on the internet.
I have 9Js at the front and 10Js at the back. Recommended tire sizes are 245-255 and 265-275, respectively. And a minimum size of 235 and 255, respectively. However, these tires are impossible to find for my 16 inch wheels. So now I have 225s at the front and 245s at the rear. Which means the tires are 10mm narrower than the minimum recommended size all round. When looking at the tires though, they don't seem to be too narrow. I'm not going to track the car or anything like that, but it does feel a bit uncomfortable. Am I worrying too much?
By the way, I bought the 928 in Germany and it came with the Fahrzeugbrief, an official document that includes information about any conversions made to the car. Including tire and wheel sizes. They are apparently okay with the set up the car currently has. So maybe it's fine after all?
I was checking my wheel and tire sizes because of a planned alignment job. The tires turn out to be a bit too narrow for the wheel sizes, according to information found on the internet.
I have 9Js at the front and 10Js at the back. Recommended tire sizes are 245-255 and 265-275, respectively. And a minimum size of 235 and 255, respectively. However, these tires are impossible to find for my 16 inch wheels. So now I have 225s at the front and 245s at the rear. Which means the tires are 10mm narrower than the minimum recommended size all round. When looking at the tires though, they don't seem to be too narrow. I'm not going to track the car or anything like that, but it does feel a bit uncomfortable. Am I worrying too much?
By the way, I bought the 928 in Germany and it came with the Fahrzeugbrief, an official document that includes information about any conversions made to the car. Including tire and wheel sizes. They are apparently okay with the set up the car currently has. So maybe it's fine after all?
Ok. Well I don't think that your current tyres look too narrow for your rims, maybe the front ones almost look too wide? Question: You say that you have 16 inch wheels both front and rear. Do you have any spacers behind your rear wheels? They seem to line up perfectly with your wheel arc. I have no spacers on my 15 inch rear wheels as stated and your 16 inch wheels would propably not fit on my car. I have too little knowledge about the wheel options for the OB strosek's. So I don't know how and what Vittorio did with the hubs/axle's or wheel arcs to make the 16 inch 265's fit on the version III kits. Maybe they just made the split wheelrings narrower on the inside. I have just bought new tyres for the front. My car was originally delivered with 225/50 R16 in the front after the conversion. The ones that I'm replacing are 225/45 R16. I bought Yokohama Advan Fleva V701 225/50 R16 which should be avaliable at many places. I was going to buy pirelli's or michelin's but their prices is just nonsense on their 16 inch variants.
Suspension is a bit high in this picture, it was just lifted and out of the garage. But the fitment on my wheels is clear here...
Ok. Well I don't think that your current tyres look too narrow for your rims, maybe the front ones almost look too wide? Question: You say that you have 16 inch wheels both front and rear. Do you have any spacers behind your rear wheels? They seem to line up perfectly with your wheel arc.
My 928 came with spacers at the rear from the factory (option 415). As far as I can see they're still there. The rear rims are 10J with an ET value of minus 15mm. The result is the center of the rear tires are pushed outwards 101mm compared to a standard 928, or 80mm compared to a standard 928 with factory spacers (I assume these factory spacers are 21mm thick).
The rear tires do sit almost flush with the body.
You can see the ET value of your rims when you take off the center caps.
Last edited by bigodino928; Apr 12, 2026 at 11:00 AM.
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BBS wheels
I am recovering from a stroke, so I still have limited use of my left hand . . .difficult to do some things "one handed" . . . .
Jokes aside, yes they are insanely wide, same as originally mounted on the back of the Countach/Pantera's/Porsche turbo's of the time. These deep split-wheelrings were a bespoke option to these ultrawide strosek-III kits in order to keep the center of the wheelhub/wheel as close to original as possible, there are no spacers on the hubs. Vittorio's company had these specially made so they are not found anywhere else. I can tell you that they look really mean from the back of my car.
