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About
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.
Research and Development
Current Version: B-Spec V2.1
Latest Released: 10/30/2018
Upcoming Capabilities:
Working on optimizing of Intake and Exhaust Timing – Testing LSA and Overlap results on different setups
Current Capabilities:
10/30/2018 – B-Spec V2.1
- 93 AKI Octane+ / E30 to E85 Knock Adaptions Optimization (High Octane Map)
- Reduce Knock Adaptions while keeping primary knock sensors active
- LTFT rf threshold reduction
- Must meet high quality fuel ratings in order to run this version
- 93 (US AKI) or 98 (EU RON) Octane or E30 to E85
10/12/2018 – B-Spec V2.1 (Major Release)
- Sport Plus
- Improved Torque Load Management
- Smoothed Electronic Throttle Duty Cycle Curve
- Lower WOT Threshold
7/10/2018 – B-Spec V2 (Minor Feature Release)
- Quiet Start
- Disable ASC (Automatic Stability Control) for MK20/MK60 BETA
6/4/2018 – B-Spec V2 (Minor Feature Release)
- Ignition Based Cutoff Feature BETA
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- Ignition Based Cutoff (New Feature)
- Ignition/ 2 Stage Fuel Cutoff (Stock – Recommended)
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- Sport Aux Fan Curve Feature
- Sport DSC Tune for MK20 Only – MY2001-MY2003 BETA
- Torque Intervention Reduction
- Minimum Torque Intervention
5/7/2018 – B-Spec V2 (Minor Feature Release)
2/22/2018 – B-Spec V2 (Minor Feature Release)
- Raised Limiter 8200 RPM
- Raised Idle for NVH
1/9/2018 – B-Spec V2 (Minor Feature Release)
12/17/2017 – B-Spec V2 (Major Release)
- B-Spec Base Tune Major Update – (Fueling and Timing Optimization)
- Valet mode
- Sport enhanced mode
3/24/2017 – B-Spec V1 (Minor Feature Release)
- B-Spec V1 Released
- Disable cat efficiency dtcs (catless only)
- Disable secondary air pump cold start program (catless only)
- Disable secondary air pump removal dtcs (catless only)
- Disable csl intake flap dtcs
- Disable rear o2 dtcs (catless only)
- 155 mph limiter removal
- 6mt shift lights
- Ews delete + ews tampering dtc delete
- Disable cat protection (catless only)
- Disable egt monitoring (catless only)
- Disable ‘105’ dtc for motorsport thermostat
- Memory sport mode
- Smg final drive swap
- Smg inertia update
- Csl smg shifting / rev matching
- Dyno mode (not compatible with launch control)
- Csl warm up light re-calibration
2/22/2017 – B-Spec V1 Beta (Major Feature Release)
1/19/2017 – BuildJournal Tuning Labs
