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    Buildjournal is an independent E46 M3 enthusiast site dedicated to BMW builders, track go-ers and auto photographers. We specialize is tuning performance and community support.
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  • 💻 Shop
    • Tuning & Software
    • Fluids & Maintenance
    • Engine
    • Detailing
    • Merchandise
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    • Photoshoot Map
  • Video
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Buildjournal Coding for BMW F30

E46 M3 SMG Transmission Tune

$99.00

Unlock the potential of your E46 M3 SMG transmission with our E46 M3 SMG Transmission Tune Software. This tune comes with E46 M3 CSL features such as CSL SMG Shifting, Downshift Rev Matching, and SMG Inertia Update. In addition, choose from 20+ free add-ons.

⚠️ None of our tuning products can be used at any time on any emissions control vehicle that is used for anything other than off-road/track performance and shall not be used on public roads.

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Add-On Features

For details on what each feature does, check out the link in the Add-On Features section below. Please note if you want to add or remove add-on features after your initial purchase, we will charge a $20 re-tune fee.

Uploads for E-Flash Method

Upload your stock tune bin file (zipped) for the E-Flash method. If you require assistance, we can help you after order is placed.

(max file size 8 MB)

SKU: BJTL-E46M3-05 Category: Tuning and Software Tag: BMW E46 M3
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Description

This is a must-update for all E46 M3 SMG owners who don’t want the engine performance benefits from our B-Spec Tune, but want the SMG transmission tune. You may have experienced sluggish shifting or odd gearbox behavior with your SMG transmission. With the Buildjournal E46 M3 SMG Transmission Tune Software you can gain all the benefits similar to an E46 M3 CSL gearbox which enables CSL SMG Shifting, Downshift Rev Matching, and SMG Inertia Update.

E46 M3 SMG Tune

ADD-ON FEATURES

For a full description of each E46 M3 SMG Transmission Tune Software add-on feature and what it does, check out ECUWorx’s website. In addition, we have two exclusive throttle remapping features that are not on the list:

  • Valet Mode – Overrides your ‘Comfort’ Mode (Sport mode off) to limit peak power and acceleration. Ideal use case is to drive normally with the ‘Sport’ button on and turn it off for Valet Mode situations.
  • Sport Enhanced Mode – Overrides your ‘Sport’ Mode (Sport mode on) with our custom linear-throttle remapping. This add-on feature gives you a more consistent feel to the throttle press.

UPDATE METHOD

Our E46 M3 SMG Transmission Tune Software is done via E-Flash. This is a 3-step process that is done via online file transfer from anywhere in the world. You send us your bin file. We create the tune. You flash. This method requires an FTDI based OBD2 diagnostic cable and a laptop. See our store page for a referral link to buy a BMW K+DCAN OBD2 cable. Detailed E-Flash instructions below.

B-Spec Tune - Buildjournal Exhaust Backfire Tune - Tuning Labs
B-Spec Tune - Buildjournal Exhaust Backfire Tune - Tuning Labs
B-Spec Tune - Buildjournal Exhaust Backfire Tune - Tuning Labs



Step 1 – Send us your bin.

  • Extract your current bin file using BMWFlash. Read our DIY here: How to Extract & Flash BIN File with BMWFlash
  • Upload the extracted bin (zipped) to us

Step 2 – We tune.

No steps necessary here!

Step 3 – You flash.

  • We will send you a new bin file
  • Flash your new bin file using BMWFlash. Read our DIY here: How to Extract & Flash BIN File with BMWFlash

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  • Buildjournal is an independent E46 M3 enthusiast site dedicated to BMW builders, track go-ers and auto photographers. We specialize in tuning performance and community support.

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    Buildjournal
    1 League
    P.O. Box 61950
    Irvine, CA 92602-9998
    United States

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