12-15-2023, 02:09 PM | #1 |
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228/230 4cylinder setup
Looking for proven ideal alignment settings on 228/230 cars since those have a much lighter front end and a closer to 50/50 weight distribution.
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12-17-2023, 06:41 PM | #2 |
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It's going to be about the same:
Front: "A lot" of negative camber up front. -3.0 to -4+. I run "all negative" for track, it's about-4, and it's not enough but it's close. Zero-ish toe in the front. A bit in if you like the car more stable and a tiny bit out if you want it to be really responsive. Rear: About -2 camber, a little toe in. 0.15* per side maybe. |
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12-17-2023, 07:40 PM | #3 | |
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2017 M240i: 25.9K, 28.9 mpg, MT, Sunroof Delete, 3,432#, EB, Leather, Driving Assistance Package, Heated Front Seats | Sold: E12 530i, E24 M635CSi, E39 520i, E30 325is, E36 M3 (2)
TC Kline Coilovers; H&R Front Bar; Wavetrac; Al Subframe Bushings; 18X9/9½ ARC-8s; 255/35-18 PS4S (4); Dinan Elite V2 & CAI; MPerf Orange BBK; Schroth Quick Fit Pro; Full PPF |
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12-25-2023, 04:52 PM | #4 | |
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12-28-2023, 04:19 PM | #5 |
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RacerBowie’s recommendation is good except for rear camber. I’ve found running neg 1.7-1.8 deg is better because it maximizes contact under power and no measurable difference in rear outer tread wear. Final front camber will depend on the sidewall stiffness and tire grip. His range of -3 to -4 deg is a good range but I’ve found -3.5 deg to be the sweet spot for several different tires. With slight front toe out, you can get good street tire wear with -3.5 deg camber. However, if you want a single street-track (dual-use) setup then run front -2.5 to -3 deg camber with zero toe. No change in rear geometry.
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12-28-2023, 08:25 PM | #6 |
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Has anyone had a oil issues once high “Gs” are achieved with -3* to -4* front camber combined with today’s Super 200 TW tires?
Would an oil baffled oil pan be needed? |
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12-28-2023, 08:37 PM | #7 | |
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I just ran my first track test today with the baffled pan and it stayed above 40psi the whole time. Unfortunately I wasn't logging that stuff back then. It would be a good idea to datalog your oil pressure so you know what it's doing. I used Bimmerlink to log it (kind of a PITA, but I wasn't able to get it through my regular track datalogger). |
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12-29-2023, 10:45 AM | #8 | |
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12-29-2023, 12:58 PM | #9 |
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I got the Navardi baffled oil pan.
I just uploaded some video of a couple laps with data overlay from yesterday's testdrive if you want to see how the results correlate with what's going on track. video link: Seems like most "dips" are in the braking zones, but some slight dips in the fast left hand sweeper. Oil pressure stays above 40psi the whole time, so I think that's a good sign. |
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12-29-2023, 09:16 PM | #10 | |
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2017 M240i: 25.9K, 28.9 mpg, MT, Sunroof Delete, 3,432#, EB, Leather, Driving Assistance Package, Heated Front Seats | Sold: E12 530i, E24 M635CSi, E39 520i, E30 325is, E36 M3 (2)
TC Kline Coilovers; H&R Front Bar; Wavetrac; Al Subframe Bushings; 18X9/9½ ARC-8s; 255/35-18 PS4S (4); Dinan Elite V2 & CAI; MPerf Orange BBK; Schroth Quick Fit Pro; Full PPF |
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04-05-2024, 04:27 PM | #12 |
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Looks like Strom Motorsports has a B46/48 baffled oil pan kit now. However, I should note that I haven't had any oil starvation issues yet. That's the one I'll go with if I start running into issues.
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