04-01-2014, 12:59 PM | #1 |
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Wheel spacers for F30s
I've been taking measurements, and doing some research on hub-centric spacers, and I thought I'd share what I found in case anyone else is considering options and is looking for fitment info...
Wheel spacers - including hub-centric spacers (with the centering lip extension protruding outward for the wheel to sit on) need to sit flush against the hub to avoid wheel wobble. The F30 chassis has a hub centering lip that protrudes a bit further than previous 3 series cars, so I took some measurements to ensure that what I am ordering will fit: F30 hub centering lip - length of protrusion: Rear is 13mm Front is ~ 11.75mm (Measurements are from my 335i, which is fitted with M Performance/M Sport-upgrade brake rotors; measurements may be slightly different with standard brakes.) H&R tells me that the recessed area on their 10/12mm spacers can accommodate up to 12mm, so these are good to go for the front. (Their 13mm and 15mm versions have a larger recess, and should be fine for front and rear.) Kevin from Apex calipered the recess area on one of their 12mm spacers at 13.22mm, so these should be good to go for the front. I will be fitting the 10mm H&R spacers in front, and 12mm Apex spacers in back prior to my 2-day HPDE next week. At present, I have 5mm non-hub-centric spacers in front, which I think may be responsible for some occasional, mild vibration at certain highway speeds. If that's the case, I thought it would be best to go with full hub-centric spacers before getting the car back on the track. The clearance should be close with my 9" Apex ARC-8 wheels (ET 42), so fingers crossed...
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04-04-2014, 01:57 PM | #2 |
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DVC did you have a stud-kit installed when you used your spacers or just extended lug bolts?
I've got the 5mm spacers on the front and don't have any vibration issues (using a stud kit). I do make sure everything is clean, it's square and torqued down evenly every time. |
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04-04-2014, 04:14 PM | #3 | |
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I wouldn't think the bolts vs stud kit would make a difference; the fact that you used great care in tightening your nuts (I did the same with my bolts) will likely keep things smooth for a while - but the vibration may crop up eventually. I just fit the hub-centric spacers today (10mm front and 12mm rear) and everything seems to fit perfectly. This evening I'll try to take some corners hard in comfort mode to get some good compression to make sure everything still clears without any rubbing... but the real test will be at the track this Monday and Tuesday. By the way, with the Dinan springs and the aggressive offsets, the look is amazing...
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04-04-2014, 06:37 PM | #4 |
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Weekday track days-I need that
I can skip work easy, skipping daddy duty requires something akin to a deal with the devil |
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04-04-2014, 06:53 PM | #5 | ||
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04-04-2014, 09:32 PM | #6 |
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Dude.... I know EXACTLY what you mean! I have 3 little ones, so skipping work is much easier than taking a weekend day away.
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04-04-2014, 09:34 PM | #7 | |
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**Edit - 13mm spacers are OK - it's the 10mm and 12mm spacers that have the 12mm inset** ...but the 12mm ones that Apex sells have a ~13.25mm inset, so they're good to go.
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Ahead of the curve for specF30
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04-05-2014, 05:53 AM | #9 |
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So you can't use the H&R 13mm on the rear? I wanted to go 10mm front and 13mm rear but I guess I need to rethink now. What size extended lug bolts are you using?
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04-05-2014, 08:16 PM | #10 |
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Not true. I am running 13mm H&R Rear Spacers with no issues. They are actually recommended for the F30.
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04-05-2014, 08:49 PM | #11 | |
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I had no such dust covers... (?)
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Ahead of the curve for specF30
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04-05-2014, 09:00 PM | #12 | |
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04-05-2014, 09:06 PM | #13 |
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Yes, you're right - posts corrected above.
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04-05-2014, 09:26 PM | #14 |
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glad we can share our experiences and help one another on these forums
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04-07-2014, 12:51 PM | #15 |
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lol, +1k. There is a lot of money to be made with daycare service @ the track.
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05-13-2014, 02:07 PM | #18 |
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Yes - no issues.
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05-13-2014, 04:50 PM | #19 |
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The Apex 12mm Spacers for the back axle of the F30 work for normal BMW Wheels and not only for Apex ones?
(I'm asking because AC Schnitzer is able to produce hub centric 4,5mm Spacers,but they only work for their own wheels which have a larger centric bore.) |
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05-13-2014, 05:04 PM | #20 |
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Typical bore for wheels/spacers is 72.56mm. Anything 5x120 of this bore should be fine for all F30 wheels... not sure about the wheels you mention with a larger bore (were they originally wheels for another vehicle?)
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06-03-2014, 12:17 PM | #21 |
it can never be too clean...
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~ i'm looking for spacer in a 10mm front and 13mm rear but in a 'silver or aluminum' in color.
i believe a black spacer will look tacky placed between a silver wheel and silver hub. thoughts?
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06-03-2014, 12:31 PM | #22 |
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H&Rs are silver.... but you can't see them anyway when the wheel/tire is mounted.
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