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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 07-23-2014, 02:02 PM   #1
Gatorsurgeon
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My Ride: 2003 BMW M3
OBD2 Bluetooth Question

I rencetly got a new headunit (AVIN Avant-2) which has, among other goodies, the Torque app that lets you see all the engine info if you have an OBD2 connector. Thinking about getting one for fun but wondered:

My engine has been pretty extensively modified (Dinan blower, intercooler, radiator, oil cooler, throttle bodies, gears, software). If I put an OBD2 adapter on, will it understand all that and give me pertinent info? The reason I ask is that the on-board trip computer that came with the car never adjusted to the engine mods and gave false info re. gas mileage.

Anyone here with experience in this? The torque app looks fun but I don't want it if it won't tell the truth.
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Old 07-24-2014, 01:12 PM   #2
CarbonZHP
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I wouldnt be too sure. The OEM computer doesnt really understand new readings, as it doesn't have a place for this info to go. If this is possible I'd like to know, but as far as I know you cant really add to the OBD readings
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Old 07-24-2014, 02:32 PM   #3
Tangent_
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Depends on the kind of info you're looking for... I use Torque to keep an accurate eye on my coolant temps, and the track recorder plug-in to record autocross and track days with the map overlay and other info like coolant temps, engine rpm, and speed.
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Old 07-24-2014, 06:08 PM   #4
Gatorsurgeon
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Originally Posted by Tangent_ View Post
Depends on the kind of info you're looking for... I use Torque to keep an accurate eye on my coolant temps, and the track recorder plug-in to record autocross and track days with the map overlay and other info like coolant temps, engine rpm, and speed.
Thanks. Sounds like Torque is fine for info that is measured directly, not for things the computer has to calculate. I think I'd use it for the same things as you.
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2003 LSB M3, SMG, Dinan S3-R conversion, incl. 3.91 differential
Brembo BBK w. custom-painted LSB calipers
Dinan-JRZ's, Turner adjustable camber plates, Dinan wheels for street, D-force LTW's for track
JL Audio ZR-650 CSi's, JL Audio 300/2 in front
JLAudio Stealthboxes, JL Audio 250/1 in back
Avin Avant-2 android headunit, Audiocontrol 3XS crossover, Audiocontrol EQS
My other car is a Fisker Karma

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Old Yesterday, 11:12 AM   #5
Tangent_
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Originally Posted by Gatorsurgeon View Post
Thanks. Sounds like Torque is fine for info that is measured directly, not for things the computer has to calculate. I think I'd use it for the same things as you.
Exactly. It simply accesses direct sensor inputs. It can calculate things like range and mpg and horsepower even, but the accuracy of that depends on the information you feed it (vehicle weight, etc) and how good its algorithms are. I have no idea if they're any good or not...
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Old Yesterday, 12:19 PM   #6
CarbonZHP
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I run an Ultra Gauge II and its great because the car is generally stock. Good for MAF intake temp, air density, engine temp, ect. But if I supercharged, no I would not get boost readings
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F10 M5 Wheels on Pirelli PZero, Bilstein B8 Shocks, H&R Race Springs, CF Splitters from CTD w/Custom Aluminum Skid Plates, CF Diffuser, Alpine Sub and Amp
Custom Diffuser by brokeduetom3, K&N Intake, Coby Steering Wheel, Coby Shift and Handbrake Boots, Carbon Interior, Painted Headlight Internals
UltraGauge II, Clubsport Door Sills
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