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02-07-2024, 02:37 PM | #23541 |
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I actually did not even consider that Solo DL's could display readouts like that. I thought that they just logged data for review after the session/race, but that would explain why so few people in here run gauges, as Solo DL's seem very common in here. It makes total sense, considering how it works. I had just never thought to put the two ideas together.
If anyone has any input on the P3 gauge though, I am still curious about it. I dont know that I track enough at this point to justify a DL, and they are kind of bulky. The vent gauge seems fairly unobtrusive. |
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02-07-2024, 02:56 PM | #23542 | |
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I’d be happy to sell it for $300 including the vent housing if you’re interested. Shoot me a pm. Otherwise, if you fancy spending time on track get an AIM solo 2DL.
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02-07-2024, 06:46 PM | #23543 |
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02-07-2024, 07:58 PM | #23544 |
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Brake Bleeding:
I’ve just completed a fluid flush and bleed. I use a power bleeder and go RR, RL, FR, FL to bleed. I pumped about 4.5L of fluid through the system and the pedal feels great. It’s the old school bleed method I’ve always done. I’ve never bled using the dsc/abs pump, as seen here: Should I bleed that way too/instead in the future? Just curious if I’m missing out on even better brakes. My brakes work awesome, but I’m curious if there is better!!!
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02-07-2024, 08:05 PM | #23545 | |
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The switch opens at 18psi so I have a defeat switch for when the oil is warm and the car is idling.
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02-07-2024, 08:08 PM | #23546 |
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Same here. Owned my car since new. Love driving it everyday. I’m traveling this week…I miss it! Stuck in a Jeep Gladiator rental ☹️
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02-07-2024, 09:27 PM | #23547 | |
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I siphon the fluid out, careful not to go below the feed lines, then top off with fresh fluid and begin my bleed as you described. I can bleed all four corners pretty generously and only use one bottle of srf.
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02-08-2024, 12:00 AM | #23548 |
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Agreed. I had removed my calipers to do a deep cleaning and so I knew I had introduced air into the system. I was also was due for a full flush so just went overboard on flushing. Wanted to be sure I wasn’t left with any air. First 2.5 liters was cheap stuff and then I flushed through SRF.
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02-08-2024, 06:48 AM | #23549 | |
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You shouldn't need to do the abs pump bleed method unless you run the system too low and get air into the system.
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02-08-2024, 08:15 AM | #23550 |
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I didn't think ahead when I replaced my master cylinder and booster with used parts while waiting for new ones to ship and ended up using quite a few liters of Endless fluid.
4.5 L sounds about right if you introduced air into the ABS unit by either disconnecting the hard lines or running the master cylinder empty. Once the air bubbles get dislodged, they have to travel quite a long way to go out of the caliper.
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02-08-2024, 09:48 AM | #23551 |
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i *just* did this (replaced my master + booster) and only needed about a liter of fluid. did a powerbleed, then a DSC bleed, then one more power bleed for good measure. had lots of sputtering and pedal felt good. 4.5L seems like A LOT.
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02-08-2024, 10:15 AM | #23552 |
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Yeah 4.5L was a lot. But I had it and pushed it through. Believe it or not I had a few bubbles at the front Calipers even at towards the end. Nobody really answered my question and I think that's because nobody really does the dsc/abs bleed procedure. Everyone seems to do it the traditional way like i did.
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02-08-2024, 11:53 AM | #23553 | |
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02-08-2024, 11:55 AM | #23554 | |
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If you were seeing tiny bubbles, those could be air entering the tube through the bleeder screw. Doesn't mean there was air in the system. |
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02-08-2024, 12:37 PM | #23555 | |
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Bimmer Barney I too have gone through several liters, it’s not ever flush but possible. I’ll use a cheap fluid and then an expensive single liter for the final pass through. I use a OBD tool to actuate the ABS pump for each corner. Always done at the end of the process so likely I’m doing it in the wrong sequence.
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Bimmer Barney1279.00 |
02-08-2024, 12:43 PM | #23556 |
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Hoping to get some great input with my below questions:
- What's the main purpose(s) to getting an aftermarket fuel cell, as opposed to retaining our OEM fuel cell? - What is the best fuel cell you can buy for this platform? I've narrowed my search down to the following: 1) Merin SFT Fuel Cell for BMW E90 (made in Italy) -- They have a few different models 2451, 2700, 2955 Features for the Merin unit are as follows: The Merin SFT Safety Fuel Cell for BMW E90 features: 2)FIA Homologated FuelSafe Bladder With Internal Fuel Pump System from HGK Racing The HGK Fuel Cell for BMW E90 features:
I'm not sure what pricing looks like for the Merin setup, but curious if there are better options than these. Here are some pics of the units:
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02-08-2024, 02:01 PM | #23557 | |
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I like the OEM looking option given it places the weight low and more centralized.
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02-08-2024, 02:03 PM | #23558 | |
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Are you considering a cell for your project? That’s probably the only bonkers upgrade for a street car (outside of the carbon doors without protection). Having fuel lines in the cockpit should necessitate fire suppression and appropriate clothing.
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reidetailing727.00 omgzirra_exe1678.00 |
02-08-2024, 03:41 PM | #23559 | ||
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Personally i like the OEM style 23gal/90L ones i forgot who made one.. but i remember seeing it. although i simply want the larger fuel tank... to make driving to and from the track easier and less fill ups lol. example, i will literally be around 80 miles remaining from irvine to buttonwillow... with a 17gal fuel tank. (E85)
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Bimmer Barney1279.00 reidetailing727.00 |
02-09-2024, 01:41 PM | #23560 | |||
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02-10-2024, 02:09 AM | #23561 |
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reidetailing
Also capacity. Those 3 different model numbers correspond to different liters. That merin one is the slickest answer, but doesn’t save much weight, especially when it’s bigger than OEM. But it is in the lowest spot possible. With shipping, customs, etc it’s over $8k for that option. Plus fuel pumps. We considered it for a while, but ended up doing a custom fuel cell in the trunk area that met what we wanted to do capacity wise and was way less expensive.
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02-10-2024, 10:16 AM | #23562 | |
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The ISTA instructions state the procedure requires two people and a pressure bleeder. The second person pumps the brake pedal after the DSC activates for a specific corner and during this time, a lot of fluid should be flowing out. My pressure was set to 15 PSI. I purchased a brand new Motiv bleeder, filled it, and still need to refill it with fluid after doing just the rear corners during the DSC bleed procedure. Also took me several DSC bleed plan runs in ISTA until air bubbles stopped coming out. Remember the air has to travel from the DSC unit, through the hard lines, and out of the caliper so waiting about 10 seconds the DSC activation and brake pedal pumps should guarantee it comes out. If you're seeing air bubbles right away after opening the bleeder screw, that's not from the DSC unit.
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