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  1. 04-19-2016 10:35 AM #1
    e30mclow
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    APR Variable Mode ECU - Possible to add Aditional Tunes (not via APR)

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    Basically as it says on the tin.

    The black s4 had an APR ECU upgrade with switchable modes via the cruise control stalk.
    Once I swap over my K04s & fuelling, is it possible to have a tuner provide 2 (or more) alternate tunes and retain the mode switching capabilities, or is this sort of functionality locked for only APR to edit?

    Let's say:
    93OCT
    93+Meth

    no E85 around here.
    Current: 1998 Mitsubishi Pajero Evolution
    1990 BMW E30 with 1JZ
    Previous Bad Ideas: 2000 Black Stage III (BW-K04); 2000 Imola Stage III (BW-K04)
    Previous "Better" Ideas: Euro e30 m3, Euro e34 m5, Inca Orange 2002Tii, '89 325iS, '89 318i, '90 318iS, '91 318iS, 2 X '87 316, '89 320i, '81 316 and so on..
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  2. 04-19-2016 11:27 AM #2
    christianb5s4
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    No it's not possible, those ECUs have chips soldered on which means you can never retune that ECU again.
    Imola 2001 Stage 3 S4: 324K - 157mph 1/2 mile - 543whp/530ftlbs Mustang Dyno - Built BEL Block - RS4 cams/intake - TTE600s - Ringer Racing Stage 5 - Etspec - SRM V3 Intercoolers - AA built trans - 4:1 Diff - Vast cooler - JHM Trio - 034 - H&R Coilovers - OZ Racing - SRM/SSAC exhaust
    2024 M3 Comp xDrive
    2016 A6 prestige w/ s-line, APR Stg 1, Melen TCU, PS4S, valcona S6 interior parts
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  3. 04-19-2016 11:45 AM #3
    MikeyB3
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    Quote Originally Posted by christianb5s4 View Post
    No it's not possible, those ECUs have chips soldered on which means you can never retune that ECU again.
    If the soldered chip is removed, the ECU can be reflashed (My main ECU is this situation). However, non-APR tunes on an APR chip-slot is not possible AFAIK.
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  4. 04-19-2016 12:19 PM #4
    e30mclow
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    Fawwwwkkkkk.

    Such a cool feature to have. I have 2 other ECUs, so I suppose I'll use one.
    Current: 1998 Mitsubishi Pajero Evolution
    1990 BMW E30 with 1JZ
    Previous Bad Ideas: 2000 Black Stage III (BW-K04); 2000 Imola Stage III (BW-K04)
    Previous "Better" Ideas: Euro e30 m3, Euro e34 m5, Inca Orange 2002Tii, '89 325iS, '89 318i, '90 318iS, '91 318iS, 2 X '87 316, '89 320i, '81 316 and so on..
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  5. 04-19-2016 12:24 PM #5
    LINDW4LL
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    I think some tuners can/could do map switching; Daz and Phil-a-dot at least.
    -Hayden

    B9 Q5 | Brilliant Black
    C7 A6 3.0T Prestige | Phantom Black
    E46 M3 Cab | Steel Grey
    B5 S4 | Stage 3 SRM RS6 | gone
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  6. 04-19-2016 12:39 PM #6
    christianb5s4
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    What Hayden said, there are now in car switchable tunes available that don't require any chips or soldering.
    Imola 2001 Stage 3 S4: 324K - 157mph 1/2 mile - 543whp/530ftlbs Mustang Dyno - Built BEL Block - RS4 cams/intake - TTE600s - Ringer Racing Stage 5 - Etspec - SRM V3 Intercoolers - AA built trans - 4:1 Diff - Vast cooler - JHM Trio - 034 - H&R Coilovers - OZ Racing - SRM/SSAC exhaust
    2024 M3 Comp xDrive
    2016 A6 prestige w/ s-line, APR Stg 1, Melen TCU, PS4S, valcona S6 interior parts
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  7. 04-19-2016 12:56 PM #7
    MetalMan
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    Quote Originally Posted by LINDW4LL View Post
    I think some tuners can/could do map switching;
    Motoza is big in the 1.8T tuning world, and they offer 2.7T tuning as well (remote tuning, by PC or via Bluetooth for Android). I run Motoza's switchable tune on my B5 1.8T, currently with 4 modes: 1) economy/valet; 2) 91 octane; 3) 93 octane; 4) E85. Needless to say I've been running E85 exclusively for 11 months now, but we dialed in the 91 octane tune before I switched over.

    Motoza S4 2.7T tuning
    Motoza "MTC" Multi-Tune Control

    If I were to switch fuel types, I can literally do this from my Android phone while filling up at the pump. Same thing if I were to have my car valet'd and I was running gasoline.
    2011 Audi A4 Avant Prestige S-Line
    2001 Corvette (C5) Z06

    Past: 2015 A3 2.0T, 2001.5 S4 Avant 6mt , 2004 A4 USP 6mt , 1998.5 A4 1.8TM , 2001.5 A4 1.8TQM [gone and missed]
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  8. 04-19-2016 01:18 PM #8
    mauromj
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    Quote Originally Posted by LINDW4LL View Post
    I think some tuners can/could do map switching; Daz and Phil-a-dot at least.
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  9. 04-19-2016 01:22 PM #9
    Yuppie
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    Quote Originally Posted by LINDW4LL View Post
    I think some tuners can/could do map switching; Daz and Phil-a-dot at least.
    Jared @ VLM Spec can offer that also.
    2001 S4 Sil Sedan ASP Stage 3-Current
    2001.5 S4 Sil Avant Stage 3 IE Rods, CNC 2.8 heads, BW RS6 Turbos-Current
    2001.5 S4 Casa Sedan Built Motor TiAL 770-Current
    2002 S4 Pearl White Avant Stock--SOLD
    2000 S4 Nogaro Sedan EPL Stage III--SOLD
    2000 S4 Brilliant Black Sedan MTM Stage III--SOLD
    2001.5 Nogaro Sedan JFonz Tune Franken F21s--SOLD
    2001.5 Nogaro Sedan AWE Stage III--SOLD
    2001.5 Nogaro Sedan AWE Stage III--SOLD
    2001 Brilliant Black Sedan S4-K04/Rs6 Hybrid custom tuned Vast--SOLD
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