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10-09-2010, 11:14 AM | #45 |
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I've seen an e92 M3 last weekend with something that looked like a roll bar (thick piping going behind headrests) and two harnesses for driver and passenger attached to the bar. I could not find the owner to ask what it was, but it looked removable and very clean. I wonder if anyone here knows about this harness option.
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10-09-2010, 11:16 AM | #46 | |
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10-26-2010, 09:22 AM | #48 |
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How is the harness bar attached?
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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10-26-2010, 06:14 PM | #49 | |
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I talked to them about a month ago. They said early '11 before they have a kit for the e92
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10-27-2010, 11:20 AM | #50 |
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I was actually in HMS Motorsports this morning and they said they believe the harness will be ready in the new year. Apparently, they have changed testing companies, but the E9X M3 harness is being tested at the moment. The burden of testing for the USA lies with HMS as they are the US importer.
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10-27-2010, 11:26 AM | #51 | |
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No one "plans" to roll their car, but it happens. There is continuing discussion in many clubs about the appropriateness of allowing cars on track with harness bars and race seats, but no rollover protection. But regardless of the rules, it is a bad idea. |
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10-27-2010, 11:35 AM | #52 |
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But if it's a 4 pt harness and there is no submarine belts, than you can still "slide down" the seat in the event of a roll over. I love the schroth harness in my wifes E36, I spend less focus trying to keep my body positioned.
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10-27-2010, 12:18 PM | #53 |
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Obviously, this is a personal decision. But, do you really believe you can "slide down" in your seat in the midst of a violent roll over, with a high g-force potentially pushing you the other way?
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10-27-2010, 01:12 PM | #54 |
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Were thes incidents with roll over in cars with pre-tensioners? In a BMW, if it thinks you are about to do something stupid, the pretensioners tighten the seat belt and hold you in your seat. If the air bag deploys, it sets on explosive charges to tighten the belt and hold you upright.
I also believe you have no chance to slide anywhere under control in the middle of a flip. |
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10-27-2010, 03:03 PM | #55 | |
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Current: 2016 F80 M3 6-Speed | SO | AB XT1 | ZCP | M Performance Suspension | GC Camber Plates Previous: 2009 E90 M3 |
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12-10-2010, 07:52 PM | #57 |
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Maybe we can take turns at this. I called Schroth today and they said that testing was near complete or complete, but they didn't have the results yet.
However, they expect to have E9x quick-fit belts ready in the New Year, but probably not January or Feb but "a few months" so maybe late spring if we are lucky. |
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12-11-2010, 01:18 AM | #58 | |
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Drives: '09 n54 e92xi, 6mt, kw v3
Join Date: Sep 2009
Location: Colorado, USA
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http://www.schrothracing.com/store/T...allye/rallye-4
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12-11-2010, 10:31 PM | #59 | |
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Current: 2016 F80 M3 6-Speed | SO | AB XT1 | ZCP | M Performance Suspension | GC Camber Plates Previous: 2009 E90 M3 |
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12-12-2010, 07:03 AM | #60 |
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Thinking about another direction...
I am leaning towards getting anchor points installed and fitting one of these and using the clips
http://www.schrothracing.com/store/C...m/profi-II-asm I am going to hook up with a race car builder and see what the options are. I'll let you know how that goes. |
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12-12-2010, 10:34 AM | #61 | |
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Anyway, it was an interesting aspect of the testing that I did not appreciate. I thought it was mostly about making sure the seat belt anchor points are adequate, which is important, but not the whole story. |
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12-12-2010, 12:13 PM | #62 |
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Absolutely. These harnesses are designed for non-race seat applications. I am tall anyway and I am wondering (i.e. I don't know!) if they can be tethered to the frame below below the parcel shelf to give the correct restraint angle. There are definitely hard points up there for the rear seats. I am hoping that one can have clip-in bolts attached that protrude through the trim to occasionally hook the harness up to for track days and posing.
That is why I want to chat with a qualified harness installer before doing anything - even with the bespoke system that is being developed - and understand and be confident in the restraint system. |
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12-13-2010, 05:55 AM | #63 | |
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01-10-2011, 12:08 PM | #64 | |
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How do you make these work?
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03-01-2011, 01:41 PM | #65 |
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Drives: '09 n54 e92xi, 6mt, kw v3
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I just spoke with Tim @ Schroth, he said it's "looking bad" for a release before summer. So maybe this summer, fall, hopefully before 2012? He could provide no date nor timeframe whatsoever. Rallye-4 time for me.
http://www.schrothracing.com/store/T...allye/rallye-4
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Last edited by IN54NITY; 03-01-2011 at 02:15 PM.. Reason: typo |
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03-02-2011, 06:31 AM | #66 | |
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I think Tim is sick of the delay as well. I don't understand why it is taking so long for the proper certifications. I bet they have a a few prototypes that would work great in our E92, but the "certifiers" may be a bit gun shy.
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