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Old 12-06-2005, 06:44 PM   #1
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E46 Data Acquisition

We now have a data logger and dash for the 2002+ E46 that is plug-n-play directly into the CAN bus. Speed, RPM, temps, TPS, brake status, etc. are all brought over using the BMW CAN bus. This makes for an easy 4 wire connection (12V, GND, CAN+, CAN-) to the car and will provide alarms, shift lights, gauge values and laptimes with an optional 8 or 16 megabytes of logging for track mapping, graphs, overlays, min and max values, etc. through user-friendly windows software. The AIM MXL starts at US $999.00. This is a must have Christmas gift for track enthusiasts and hard core racers.
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Old 12-06-2005, 08:09 PM   #2
Will ZCPM3
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so this would not work on a 2000 323ci? reading aim sports website they list the bosch ms4, i think the 323ci has an ms42.
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Old 12-06-2005, 08:21 PM   #3
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Originally Posted by Will ZCPM3
so this would not work on a 2000 323ci? reading aim sports website they list the bosch ms4, i think the 323ci has an ms42.
Hi Will,
The BMW CAN bus started in 2002 in the OEM cars. The MS in the Bosch protocols are for Bosch MotorSport. Completely different. They started in 2000 with the MS3.1 for the Porsche 996 GT3R. The MS4.0 was released from Bosch last year. You can run the unit as a stand-alone version but will require duplication of sensors and wiring. The CAN data stream is so much easier.
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Old 12-06-2005, 08:37 PM   #4
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Nice.. LINK?
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Old 12-06-2005, 08:51 PM   #5
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Hi M3,
http://www.aim-sportline.com/AUTO/mxl.htm
Follow the pages to the auto products/MXL.

Also, the MCL TG is a great in-car laptimer device that also provides some great features for those with a smaller budget. US $249.00

http://www.aim-sportline.com/AUTO/lighttg.htm



IR lap receiver and transmitter
128x64 pixels green graphic display
+/- 45 visual inspection
memory: 128 kb
huge 2000 lap storage capability
built in database for lap management
histo visualization of laps and runs
built in clock and calendar
auto-power off after 20 minutes inactivity
capability of 50 track names storage
possibility to enter driver's name
internal power (batteries included)
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Old 12-06-2005, 10:09 PM   #6
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I think 2001 has CANbus already. I am pretty sure of that cos I hacked some of the sensors' signals.
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Old 12-06-2005, 10:26 PM   #7
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Originally Posted by Mr Paddle.Shift
I think 2001 has CANbus already. I am pretty sure of that cos I hacked some of the sensors' signals.
I could stand corrected but if you shared the signals for voltage or resistance, then it would be analog, not CAN. Can someone at BMW clarify this?
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Old 12-06-2005, 11:12 PM   #8
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When I say "hacked", I don't mean spliced. So it's not analog signals. I know what CANBus is. CANBus carries identifier codes and each code represents a signal from RPM, TD etc, for example. I have done some major work in building a monitoring, data acqusition control system for my car. Btw, CANBus has been around in BMWs as early as MY1995 E38s.

So this AIM system you have...which track car are you installing in? Are you using multiple beacons for sector timings?
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Old 12-07-2005, 12:04 AM   #9
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Originally Posted by Mr Paddle.Shift
When I say "hacked", I don't mean spliced. So it's not analog signals. I know what CANBus is. CANBus carries identifier codes and each code represents a signal from RPM, TD etc, for example. I have done some major work in building a monitoring, data acqusition control system for my car. Btw, CANBus has been around in BMWs as early as MY1995 E38s.

So this AIM system you have...which track car are you installing in? Are you using multiple beacons for sector timings?
You can indeed put out split beacons, or you can divide the track by simple distance with software providing sector times, theoretical and best rolling laps. Perhaps you could answer Will's question of his 2000 E46 compatibility?
I would like to try his model if you think it has the CAN protocols.
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Old 12-07-2005, 01:52 AM   #10
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now if only it had GPS to controll the throttle on the track. J/K this isnt CART
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Old 12-07-2005, 05:19 PM   #11
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Originally Posted by Overboost
You can indeed put out split beacons, or you can divide the track by simple distance with software providing sector times, theoretical and best rolling laps.
I am in fact interested in sector timing/speed/g-load via GPS. I think there are maybe 2 or 3 companies in the world that offer a system like that. Compels me to work on something for myself instead.

Quote:
Originally Posted by Overboost
Perhaps you could answer Will's question of his 2000 E46 compatibility? I would like to try his model if you think it has the CAN protocols.
Missed that post. Well if you're selling this system, shouldn't you have more info than I do? Bosch MS4 has nothing to do with Siemens MS series DME. CANBus protocol is developed by Intel and Bosch in the late 80s which I am sure you know that already.
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Old 12-07-2005, 06:20 PM   #12
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ive heard alot of good things about the traqmate gps system. it is able to do segments to.

http://www.traqmate.com/
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Old 12-07-2005, 06:33 PM   #13
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Originally Posted by Mr Paddle.Shift
I am in fact interested in sector timing/speed/g-load via GPS. I think there are maybe 2 or 3 companies in the world that offer a system like that. Compels me to work on something for myself instead.

gload vis GPS? Hmmm... Don't think that applies... Laptime, speed and track map for sure. Make sure you have a decent GPS of at least 5 Hz or better...

Quote:
Missed that post. Well if you're selling this system, shouldn't you have more info than I do? Bosch MS4 has nothing to do with Siemens MS series DME. CANBus protocol is developed by Intel and Bosch in the late 80s which I am sure you know that already.
Sorry paddleshift, I am a track support rep and race engineer, not an electronics engineer. The BMW OEM protocols are something the company is getting into lately as the need for data acquisition has finally come down to the level of Club racing. Beleive me, I have worked with Tom Milner and PTG with Hans Stuck, Bill Auberlin and Boris Said as far back as 2000. Those cars run MoTeC and have a completely different set of protocols. Maybe I'm reading you wrong but are you trying to pull me in for a fight? I'm not here for anything other than helping our members.
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Old 12-07-2005, 06:55 PM   #14
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so no answers to whether my car would have the CANBus protocol? i wish i was at home, its probably in the bentley manual
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Old 12-07-2005, 07:27 PM   #15
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so no answers to whether my car would have the CANBus protocol? i wish i was at home, its probably in the bentley manual
Hi Will, I will call Turner Motorsports tomorrow as I know a few of the guys over there and will see if I can get you an answer. I can also send you out a system to hook up and try as well.

The Traqmate system you mentioned has been getting some good reviews out there but is limited to GPS inputs and a few inputs and certainly not CAN protocols. We are working on a GPS solution as well but the biggest issue right now is accuracy. Everytime you pass under a bridge or lose the satellite signal the GPS must reinitiate a satellite lock. The g sensor must take over until this can be acheived. This allows for an accuracy error of up to several feet or more. This can be a lot when judging your apex position. Any GPS system can provide a track map, speed, distance, and laptime but the common GPS receiver works at only 1 Hz. Again, an error... If you are going 150 MPH, that's 220 ft/sec. At 1 Hz or (once per sec), I think you see what I'm talking about. The advantages of GPS can great for tracking different racing lines, but until the accuracy issues are solved, I would use the standard beacon, wheel speed and lateral g force that most systems have already.
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Old 12-08-2005, 10:37 AM   #16
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Just wanted to say this is a great product....we run them in all 3 of our racecars
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