02-15-2020, 11:22 AM | #1 |
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Track seat?
Anyone have thoughts on a seat for the track that fits a 2020 M2 Comp?
Been looking at Sparco (have used them for years in off road racing) but not sure I want to pony up $3,100 for the fully adjustable unit. What are you guys that have done a change using? What are you using to mount the seat (I can't find any specific model mounts for the Sparco - will have to make my own, I guess). Also, what about the harness that plugs into the seat? Is this car going to be like and Audi and get all butt hurt with the air bags when I pull the seat? Is there a cheat that tells the computer "The seat's here, pay no attention to the lack of airbag." As I recall, there was a resistor trick that you did in the R8 to make the car think the airbags were still in place. Open to suggestions, thanks in advance.
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02-15-2020, 01:02 PM | #2 | |
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02-15-2020, 01:03 PM | #3 |
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02-16-2020, 10:26 AM | #4 |
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Thanks!
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02-16-2020, 06:52 PM | #5 |
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Matt Schnell has a lot of different bracket options.
For seats, personally I like the Recaro Sportster CS seats. They're not legal in all classes though because they don't have a fixed back. If I were to get the seats, I'd get them through AMX Performance and have them custom upholstered. Through talking to the owner there, he tells me they work with the stock air bag harness, occupancy sensors, and heat switches. Though I am not sure if that's due to a modification he does to them or if they'll work straight from Recaro. |
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02-16-2020, 07:11 PM | #6 | |
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02-18-2020, 08:06 AM | #7 | |
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If it is a dual purpose car I would look at the Cobra Nogaro. Its a nice compromise street/track seat and with 2 seat cushions you can have comfort and support. (high one for the street with more padding, low one so that the seat bottom sides come up higher relative to your legs) They will also customize them from the factory. Price 2k per seat all in. I don't think you will find anything much cheaper for the quality you want. I have not yet gone this route as I am a bit short and without a cushion I sit too low for the harness holes. For mounts look at Brey Krause, there stuff seems excellent. https://www.bkauto.com/category_s/405.htm Recaro CS is also a nice compromise. Had them in my previous car (OEM option), the lateral support is not much better than the OEM M4 seats. Again I am a small skinny guy, if you have a waist line in the 40s the CS will hold you very tightly. The CS was available from BMW as an m performance part. The CS can be equipped with side airbags and heated seat pads. CS is a 2 part seat so use harnesses at your own discretion.
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02-18-2020, 10:44 AM | #8 |
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Great info from everyone. Thanks.
The car is a dual purpose ride - my daily that I am making track oriented. I'm not opposed to a seat that's not long distance comfy as most of my time in the car is running errands and such. I guess if I can spend 6 hours being beaten around in a Sparco in a Trophy Truck, there's not a lot that would be uncomfortable in my eyes as long as I'm tucked in nice and tightly. (: Definitely not a larger guy - I'm 5'6" with a 32" waist so the CS may be a tad big for me - although the stock seats in the M2 do a really good job so if they're close to OEM, they'd be fine. I'll keep the search going - looking to do this mod a little farther down the line.
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02-18-2020, 10:38 PM | #9 |
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I installed Nogaro's in my car a few months back: https://f87.bimmerpost.com/forums/sh....php?t=1675296
I'm 5'11" with a 32" waist and it fits great, especially with the Quickfit Pros. The only downside is that the rear seats are basically unusable by adults, as you sort of have to snake into them. The mounts re-use the stock seatbelt adapters, so you won't have to code those out. Bimmercode won't code out the airbag and seat occupancy sensor errors, you'll need to use esys or have someone do it remotely (they'll use esys). If I did it again, I'd love to get Recaro Pole Positions custom upholstered, and somehow get BK type brackets that re-use the existing seat mounts (like the M4 GTS mounts). I briefly went down the path of building my own mounting brackets as well: they'd be around $300 for all four (what BK would make them for) since you'd have to have them manufactured by someone with a CNC break (you can't bend the right angles by hand). You can buy the mounts (PN 52108075097, 52108075098, 52108075103, 52108075104) but they're about $750 each! |
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02-19-2020, 07:21 AM | #10 | |
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Pole Positions are nice but you cannot safely/comfortably use them with a 3 Point system. Pole Position ABEs can be used with 3 point systems but they are much wider and don't hold my slim frame in place. Dunno why I thought bimmercode could code out errors EDIT: Cobra will customise them for you anyway you want except they will not lower the harnass holes or apply trademarked logos (I wanted them to install an OEM illuminated M2 badge into the seat).
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02-19-2020, 10:23 PM | #11 | |
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Fair point on the three pointers. To be fair, I use the QFPs on the street (much to the chagrin of my passengers...), so I wouldn't be super worried about that. I think I mostly have been led to believe that the Recaros are a superior product, though I got good quality materials so I'm pretty comfortable with the seats I've got. It's all VO coding, so I don't know if there's a technical reason it can't, but I assume it's either: 1) liability for messing with safety systems, or 2) a vast conspiracy by the people who make the tools to not make them easy and thus charge for them Ugh, I wanted them to stitch the BMW Motorsport into it (or emboss the ///M like you can get with AMX), but they said the same thing. I sort of toyed with the idea of taking the covers off and getting someone else to do it, but I don't know how easy they are to disassembly/re-assemble. |
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02-19-2020, 11:06 PM | #12 |
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I'll be installing Sparco QRT's.
Lots of different options but at 15lbs they weigh less than all the other FRP options I believe... https://www.sparcousa.com/product/qrt-r
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02-20-2020, 03:14 AM | #13 | |
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As to the QFP/4 point harness on the street (and without a HANS), aside from the decreased visibility you also greatly increase the chances of basilar skull fracture in an accident. The airbag will help but will not save you like a HANS. You also run a greater risk of submarining. The seats should have a hole in the bottom for 6 point harnesses to prevent this. I would look into a Schroth ASM belt for your dual use. It will help avoid both of the above problems. https://www.schroth.com/en/segments/...hroth-asm.html https://www.schrothracing.com/products/quickfit See here the Quick Fit PRO version is meant to work with a HANS the Quick Fit normal version has the ASM tech so you dont submarine and the airbag can work as intended. Also "These harnesses are designed to be used in stock seats that have passed a seat back strength test. Quick Fit harnesses are not approved for any fixed back or aftermarket seats." I will leave the Rollbar vs Not in combo with 4-6 point harness debate out of it As to quality the Recaro seats are 1/2 steps ahead of Cobra and or Sparco in terms of perceived quality.
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02-20-2020, 08:09 PM | #14 |
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Bought my leather from ukhide.co.uk and had Cobra cut it/do the installation. Does the M2C use the same Dakota leather? Cobra did provide the polar blue stitching, and it matches perfectly.
QFP has ASM as well, and works with or without a HANS (I have one for the track, but don't wear it on the street). I don't have really have visibility issues: side mirrors are turned all the way out to avoid blind spots, so I've got the rear 180 entirely on my mirrors until someone is right next to me, at which point I see them on the edge of the mirror. My only issue is pushing the "trunk open" button, since my arms aren't long enough for me to reach. HMS Motorsports told me when I bought everything that they had recently (end of 2019/early 2020) approved the Cobra Nogaro + QFP combo, even though they haven't done it for F8x seats due to low volume, which I find odd since I assume there are far more F8x owners who want QFPs than people installing fixed back seats... I guess it's probably cheaper to test the Nogaros than the BMW seats though. |
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02-21-2020, 03:04 AM | #15 | |
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OK I overlooked that the pro had ASM, I didn't spot the marketing blurb or the ASM black "box" in your pics. That is good to know. Visibility wise I mean at T junctions. In the EU it is not uncommon to have poor visibility at T junctions due to houses, hedges, and fences. You then want to lean forward but can't (as I know from exp). I know that driving in NA this is less of an issue. I setup my mirrors as you do, on track you dont have time to "shoulder check" ) F8X seats do not work well with 4+ points as there are no pass through holes. The belts sit either side of the headrest pyramid and want to slide off. There are workarounds but none are elegant and all are questionable in a crash. I dont know what testing HMS does, but vis a vis my previous car HMS said it would work with the QFP and Schroth DE said do not do this under any circumstances Thanks for being a trail blazer though! I am still on the fence with the Nogaros (bought another car thats taking my time ) but I think they will find a home in the M2 eventually.
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02-21-2020, 01:28 PM | #16 | |
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02-21-2020, 04:35 PM | #17 |
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I saw 57.6 lbs for the OEM's. So 42 lbs saved per seat if you use the Sparco QRT's
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02-24-2020, 05:37 PM | #18 |
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I just had corbaeu FX1pro's in my f22 with planted brackets and it was fine, kind of a cheap seat, but they held up really nicely
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03-06-2020, 09:09 AM | #19 |
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Been in touch with the guys at HMS Motorsports, as per asciimike and am heading down the Cobra Nogaro trail.
They're getting me a quote on the Nogaro with blue stitching, seat heaters and finding out about using the OEM heater controls and seat base so I keep my settings and electric sliders, as they think this is an option.
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03-08-2020, 01:20 PM | #20 | |
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- The F8x has two heaters: one for the bottom and one for the back. One of these (I think the back) has a thermistor for temperature sensing. - You'll need to bring the seat controllers over to the new seat as well, since they control heating (seat heaters plug into them). Seat settings (at least forward/backward) should theoretically be possible, provided that you wire the slider switches through the seat module rather than directly to the motor. It would probably work based on key settings, but obviously there wouldn't be 1/2 buttons to switch without the key. My plan was to buy E46 seat heaters (because they are more square, and thus more likely to fit in the seats), swap the plugs, and tape them down under the pads, rather than pay the $175/seat I was quoted to get them sewn in (especially after I think it would have been another $150/seat for the heaters). This is what the HMS folks told me, though I admit I'm somewhat skeptical about the heaters being able to heat through an inch or two of foam, but we'll see. |
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03-13-2020, 05:39 AM | #21 | |
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03-16-2020, 10:27 AM | #22 | ||
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That said, VAC's setup in general is of dubious safety, so... might not matter either way.
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