bootmod3 B48/B46 Tune for BMW F & G Series (120i to 530i, X3, X4)
bootmod3 B48/B46 Tune for BMW F & G Series (120i to 530i, X3, X4)
Goes well with your tune
bootmod3 B48/B46 tune for BMW F and G series 2.0L turbo cars
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Up to +60% HP
20i models, Stage 2 on E30
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Up to +22% HP
30i models, Stage 2 on E30
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4 maps
switchable with CustomROM
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Cloud
maps and logs stored online
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B48/B46 gains by stage and fuel
bootmod3 publishes different gains for 20i and 30i cars, so check the chart for your model.
What you get with bootmod3 for the B48/B46
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Cloud tuning platform
Use bootmod3 from the phone app or from a Windows or Mac computer. Maps and datalogs are stored in the cloud, and a downloaded map can be flashed without an internet connection. Your license includes one off-the-shelf map plus any map marked FREE.
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CustomROM features
Four switchable map slots, AntiLag, flex fuel tuning with a sensor, an ethanol percentage indicator in the dash, a full map editor, 80+ RAM log channels and the transmission torque limiter disabled in software.
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Tuning options
Adjustable exhaust burble, exhaust flap control in sport mode, top speed limiter removal, boost-by-gear reduction, sport gauge recalibration, custom throttle mapping, E85 and race gas maps, and maps for upgraded turbos.
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Logging and diagnostics
Live Dash gauges, datalogging you can chart and share from the app, plus reading and clearing trouble codes in all modules, resetting learned adaptations and an ECU power reset.
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How bootmod3 works
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1
Order your bootmod3 license plus a Wi-Fi adapter or ENET cable if you need one.
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2
Connect to the OBD-II port and open the bootmod3 app or desktop software.
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3
Flash your off-the-shelf map. A typical OBD flash takes a few minutes.
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4
Drive and change maps or return to stock whenever you want.
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Before you buy
Adapter or cable required. bootmod3 connects through the bootmod3 BM3 Wireless V3 adapter or an ENET cable. Both are sold separately.
One license per vehicle. Your license is tied to one VIN. The original buyer can transfer it once after the car is returned to stock and the DME is re-locked.
Newer software may need an unlock. Cars on November 2019 or later software may need a DME bench unlock before OBD flashing works. We offer an in-house DME unlock. Message us your VIN if you are unsure.
Supported vehicles for bootmod3 B48/B46
| Model | Chassis | Years |
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| 120i / 125i | F20 / F21 | 2016 - 2019 |
| 220i / 230i | F22 / F23 | 2016+ |
| 320i / 330i / 330e | F30 / F31 / F34 | 2016 - 2019 |
| 320i / 330i | G20 | 2019+ |
| 420i / 430i | F32 / F33 / F36 | 2016+ |
| 520i / 530i | G30 / G31 | 2017+ |
| X3 20i / 25i / 30i | G01 | 2017+ |
| X4 20i / 25i / 30i | G02 | 2018+ |
| X5 30i | G05 | 2019+ |
| 730i | G11 / G12 | 2019+ |
Your car not listed? Send us your model, year and VIN and we will check it before you order.
bootmod3 B48/B46 FAQ
Will I gain more on a 330i or a 320i?
bootmod3 publishes larger percentage gains for 20i cars, for example up to +46% HP on Stage 1 with 93 octane, than for 30i cars, which show up to +16% HP on the same map. Always compare with your own model's chart.
Do I need the bootmod3 Wi-Fi adapter?
No. An ENET cable also works. The bootmod3 BM3 Wireless V3 adapter just saves you from carrying a laptop in the car.
Can I go back to stock?
Yes. bootmod3 can flash the stock map and re-lock the DME.
Does the license cover more than one car?
No. Your bootmod3 license is tied to one VIN. The original buyer can transfer it once after the car is returned to stock.
Shop with Integrated DME
Browse more tunes in our bootmod3 collection, MHD collection and adapters.
For off-road and closed-course use only. Modifying engine software may affect your vehicle warranty and may not be legal for road use where you live. Power and torque figures are maximums published by the tuning platform and vary by vehicle, fuel and modifications. Percentage figures are published by bootmod3 as gains over stock. All product names and trademarks belong to their respective owners.