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Old 6th April 2015, 21:27   #1
Ps3000
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Default Interesting BMW mod

Looks as though the E46 fanatics have a mod to allow them to reprogram the "buffer" settings on the temp gauge so that the needle doesn't stay in the centre for the whole 75-115 range. I know nothing of the technicalities but this ought surely to be possible for ours in some way?

http://forum.e46fanatics.com/showthread.php?t=1013600
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Old 6th April 2015, 21:29   #2
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Brian, russ, Phil.........


Make it speak English please
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Old 6th April 2015, 21:44   #3
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Quote:
Originally Posted by trikey View Post
Brian, russ, Phil.........


Make it speak English please
looks quite interesting, from what I have read you can set the position of the needle to a temperature zone... with zones starting and stopping at places that you can define...

basically you can have something close to actual output and even aim 88C at the norm mark on the gauge....

Worth looking into this one...


thanks PS3000
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Old 6th April 2015, 21:45   #4
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Quote:
Originally Posted by trikey View Post
Brian, russ, Phil.........


Make it speak English please
I would, but somebody has my BMWscan 1.4 lead

31 01 04 05 01 FF 23 46 CE FA B5 C0 86 00 33 A0
FF FF FF 00 03 8D 88 00 C7 C1 28 FB C4 28 00 00
00 00 00 00 FF FF 5E 4C BD 4A 10 02 F3 3C F3 3C
F3 3C FF FE FF FE FF FE FF FF FF FF 3F FF FF FF
18 E0 C3 6B 41 09 61 48 D4 7E DB 12 01 EA 61 0C
FE FF FF FF FF FF FF FF FF BC 0A AF FF 50 FF 03
FF FC FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF 2D 14 00 02 8F FF FE 5E FF 2C 3A 3C
DA A1 B7 08 32 44 22 57 03 40 01 02 73 22 01 11
32 21 22 48 C0 81 48 04 0A 4F 00 00 00 00 23 43
11 11 02 FF FF FF 05 10 20 FD FD FF 0F 51 ED 8A
FF FF 0F 7A 7E 3D FF FF 0F 54 12 75 EB 6B F4 94
00 0A 3C 66 74 BC 39 12 71 68 FF FF FF FF FF FF
FF FF FF FF 0F F0 05 07 04 02 1C FF B6 0E 69 70
D0 A5 E2 FF 1A EE 0B 74 F6 48 1A DA F0 AB FF 00
0A F0 1B 0F 3B 34 B3 40 6D 4B 6D 73 67 78 66 7D

My head hurts

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Old 6th April 2015, 21:46   #5
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Hmmm very interesting

Will have to have a look see if I can identify the hex string on a dump from our cars see if it can be altered same as the E46

Both Ipk's are made by VDO so may well be possible but suspect it'll be like the digital Speedo if the car is configured afterwards on T4 it will need to be redone

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Old 6th April 2015, 21:49   #6
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Quote:
Originally Posted by marinabrian View Post
31 01 04 05 01 FF 23 46 CE FA B5 C0 86 00 33 A0
FF FF FF 00 03 8D 88 00 C7 C1 28 FB C4 28 00 00
00 00 00 00 FF FF 5E 4C BD 4A 10 02 F3 3C F3 3C
F3 3C FF FE FF FE FF FE FF FF FF FF 3F FF FF FF
18 E0 C3 6B 41 09 61 48 D4 7E DB 12 01 EA 61 0C
FE FF FF FF FF FF FF FF FF BC 0A AF FF 50 FF 03
FF FC FF FF FF FF FF FF FF FF FF FF FF FF FF FF
FF FF FF FF 2D 14 00 02 8F FF FE 5E FF 2C 3A 3C
DA A1 B7 08 32 44 22 57 03 40 01 02 73 22 01 11
32 21 22 48 C0 81 48 04 0A 4F 00 00 00 00 23 43
11 11 02 FF FF FF 05 10 20 FD FD FF 0F 51 ED 8A
FF FF 0F 7A 7E 3D FF FF 0F 54 12 75 EB 6B F4 94
00 0A 3C 66 74 BC 39 12 71 68 FF FF FF FF FF FF
FF FF FF FF 0F F0 05 07 04 02 1C FF B6 0E 69 70
D0 A5 E2 FF 1A EE 0B 74 F6 48 1A DA F0 AB FF 00
0A F0 1B 0F 3B 34 B3 40 6D 4B 6D 73 67 78 66 7D


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Old 6th April 2015, 21:58   #7
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The difference that pops up to me straight away is the E46 gauge seems to be a 100 degree needle sweep and ours is 180 degrees so the zone positions for start stop will need revising....

Does anyone know if you can simulate the input using resistors, and if so the values?
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Last edited by klarzy; 6th April 2015 at 22:04..
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Old 6th April 2015, 22:57   #8
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Hmmm mine reads
Hex 0xF0 0A F0 1B 0F 3B 34 B6 40 6A 73 67 78 5C 7D

Decimal 10 240 27 15 59 52 182 64 106 115 103 120 92 125

My head hurts now too.

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Old 7th April 2015, 07:53   #9
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If it is the correct lime then it should be the same in all diesel ipks and slightly different temp values but the same zone angles in petrol ones?
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Old 7th April 2015, 08:05   #10
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