08-11-2021, 11:54 AM | #23 | |
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AFAIK, slight rubs are generally handled by grinding whatever's necessary off of the caliper, but I'm no expert when it comes to issues like that. Shops fix those sorts of things for me. hth
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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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12-07-2023, 08:19 AM | #24 |
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Great build, read and thread.
Have you still retired from track driving for good? What's going on with the car now? I'm also very interested in how that wavetrack diff works. |
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12-07-2023, 10:50 AM | #25 | |
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I use the car for an occasional road trip and local backroads drives. I won't modify it any further. When I think about replacing it, I go back and forth about putting it back to stock prior to sale. The Wavetrac has worked well for me; it's functioned reliably, and with the solid rear subframe bushings, the rear-end hooks up just the way I needed it to.
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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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12-07-2023, 11:07 AM | #26 | |
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12-07-2023, 11:34 AM | #27 | |
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My first track experience was on a built street bike in the late 60s. That lasted a couple of years. I went back to it with cars from 2009-2013, averaging 25-30 days each year. I was old enough that falling off bikes at speed was no longer an option. A bike would have been dramatically less expensive, though. Most of the car driving was in the E36 race car – an all-out professional build Cup car that won a pro-am championship in, IIRC, 1996 or 1997.
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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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12-07-2023, 11:55 AM | #28 | |
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And I want to do more - more seat time, more events, etc etc - but the way the world is moving, who knows what will happen. |
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12-07-2023, 03:28 PM | #29 | |
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When I got back on the track in 2018 in my own car, two things were immediately apparent: 1) in the sense that it's a sport, I was very rusty from four years off; and, 2) the soft 3,432# M240i was so different from the very stiff / everything-happens-right-now 2,708# race car that I was afraid to push the newer car fast right out of the box. I got past those initial reactions but never developed the confidence in the M240i that I'd had in the E36. Once I ran a fast lap at Mid-Ohio that I didn't think I'd improve upon without running faster rubber or taking more risk than I wanted to, I decided to stop. There was nothing left that I wanted to do. As far as seat time goes, I always could have used more karting time and more autocross time, but I was living in a rural area and generally found those events too far away to be convenient. Except for a four-day rally school I attended, they were where I developed the car control skills that made my track driving both safer and faster. Good luck to you!
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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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12-07-2023, 03:36 PM | #30 | |
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12-08-2023, 07:36 AM | #31 |
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I noticed you also have a 2017 M240i with a wavetrac. I contacted diffsonline and they said my 2017/04 couldn't get one. What month was your M240i produced?
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12-08-2023, 12:03 PM | #32 | |
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What reason did diffsonline give you for not selling you a Wavetrac?
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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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12-08-2023, 12:05 PM | #33 |
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12-08-2023, 12:07 PM | #34 | |
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What reason did diffsonline give for not selling you a Wavetrac?
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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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12-08-2023, 12:11 PM | #35 |
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ah so this confirms it then, pre 06/2017 models have a 3.08 while post have a 2.81. Dan told me that there was no wavetrac option for the 3.08 due to it being a 205mm unit and wavetrac doesn't make one for that sizing which is true. I wonder if the wavetrac unit that you have is the same one meant for the m235i since the m240i is known for having a 2.81 ratio in the rwd models.
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12-08-2023, 12:17 PM | #36 | |
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I'm certainly no expert in these matters, though, while Dan is the man when it comes to BMW diffs.
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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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12-08-2023, 12:21 PM | #37 | |
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this was embarrassing. Always a pleasure talking to you though dradernh! |
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