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Dyno graph for BM3 tune - BMW B58 engine }
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$595.00
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$595.00
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Bootmod3 (BM3) B48 / B46 Tune – BMW 120i 220i 230i 320i 330i 420i 430i 530i X1 X2 X3 X4 Z4
Subtotal: $595.00
Not sure it fits? Text us your VIN
Vendor: Bootmod3
SKU: bm3-B48-B46

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Overview

Bootmod3 (BM3) B48 / B46 Tune – All BMW Models

The Bootmod3 B48 / B46 tune is one engine license that covers every four-cylinder 2.0L turbo F and G series BMW from 2016 to 2025: 120i, 125i, 220i, 225i, 230i, 320i, 330i, 330e, 420i, 430i, 520i, 530i, 530e, 630i, 730i, X1, X2, X3 and X4 20i/30i, and Z4 sDrive30i. MINI owners should use the Bootmod3 B48 MINI license instead. It flashes over OBD in minutes.

If you are unsure which license fits your car, email your VIN to Online@AutoTalent.com and we will confirm before activation. You can also see every engine on our Bootmod3 (BM3) tunes & licenses page.

For any questions please PM or email: Online@AutoTalent.com

bootmod3 is the pioneering, cloud-based flash tuning platform for BMW F and G series vehicles, featuring the advanced CustomROM software suite. It enables real-time adjustments like on-the-fly map switching, Flex Fuel tuning for any ethanol blend, and advanced anti-lag, all without re-flashing. Developed in-house and regularly updated, it lets you calibrate your car via OBD in minutes, from stock to full race configurations, with detailed datalogging and a sophisticated map editor. Accessible via web or iOS/Android apps, with support for upgraded turbos and catless downpipes (off-road use).

  • Platform & Core Technology:
    • World's first cloud-based flash tuning platform for BMW F/G series.
    • Advanced CustomROM software suite.
    • Developed and updated in-house since 2016.
    • Access via web browser or iOS/Android apps.
    • Flash your DME via the OBD port in minutes.
  • Key CustomROM Features:
    • AntiLag: Build boost on command using steering wheel controls.
    • Map Switching: Switch between 4 maps on the fly.
    • Flex Fuel Tuning: Auto-adjusts for any ethanol blend (0-100%) with a sensor.
    • In-Dash Ethanol Display: Ethanol % on the RPM gauge.
    • Advanced Map Editor: Nearly 5000 tuning tables.
    • High-Speed Datalogging: 80+ RAM channels and hundreds more.
  • Advertised Power Gains (B48/B46):
    • 20i Models: Stage 1 (91 octane) up to 42% HP / 46% TQ; Stage 2 (E30) up to 60% HP / 55% TQ
    • 30i Models: Stage 1 (91 octane) up to 14% HP / 26% TQ; Stage 2 (E30) up to 22% HP / 30% TQ
    • Race gas maps are in development.
  • Additional Features:
    • OTS Maps: One map included; optional full OTS bundle available.
    • Custom Tuning: Built-in editor and Tuner Directory.
    • Vehicle Adjustments: Remove top speed limiter, exhaust burble/flap, disable cold start.
    • Diagnostics: Read/clear codes, reset adaptations, ECU resets.
    • Support: Upgraded turbos, E85, race gas, methanol injection.

Disclaimer: Features like catalytic monitor removal are intended for off-road use only. It is the user's responsibility to comply with local emissions laws.

BMW Warranty Disclaimer

Some items used and/or installed by PRO TUNING FREAKS may void portions of your vehicle’s factory warranty. Some items may not be legal for “on highway use”. PRO TUNING FREAKS makes no guarantees to the legality of any parts used for “on highway vehicles” and accepts no responsibility for compliance with the vehicle’s factory warranty.

Vehicle Fitment (B48 / B46):

Make Model Chassis Code Body Style / Trim Production Years (B48/B46)
BMW 1 Series F20 / F21 120i, 125i 2016–2019
BMW 2 Series F22 / F23 220i, 230i 2016–2021
BMW 2 Series Active / Gran Tourer F45 / F46 220i, 225i, 225xe 2016–2021
BMW 2 Series G42 230i 2022–2025
BMW 3 Series F30 / F31 / F34 320i, 330i, 330e 2016–2019
BMW 3 Series G20 / G21 320i, 330i, 330e 2019–2025
BMW 4 Series F32 / F33 / F36 420i, 430i 2016–2020
BMW 4 Series G22 / G23 / G26 420i, 430i 2021–2025
BMW 5 Series G30 / G31 520i, 530i, 530e 2017–2023
BMW 6 Series GT G32 630i 2017–2023
BMW 7 Series G11 / G12 730i 2019–2022
BMW X1 F48 sDrive20i, xDrive20i, xDrive25i, xDrive28i 2016–2022
BMW X2 F39 sDrive20i, xDrive20i, xDrive28i 2018–2023
BMW X3 G01 sDrive20i, xDrive20i, sDrive30i, xDrive30i 2018–2024
BMW X4 G02 xDrive20i, xDrive30i 2018–2025
BMW Z4 G29 sDrive20i, sDrive30i 2019–2025

Bootmod3 B48/B46 tune FAQ

Which BMW models does the B48/B46 BM3 license cover?

Every F and G series BMW with the B48 or B46 2.0L turbo four-cylinder: 120i, 125i, 220i, 225i, 230i, 320i, 330i, 330e, 420i, 430i, 520i, 530i, 530e, 630i, 730i, X1, X2, X3 and X4 20i/30i, and Z4 sDrive20i/30i. One license, all models.

What do I need for Stage 2?

Stage 2 on the B48/B46 assumes an upgraded downpipe (catless downpipes are for off-road use only) and an intake. A flex fuel kit lets you run ethanol blends. Check the map notes in the BM3 app before you flash.

How is the license delivered?

After checkout, email your full VIN and order number to Online@AutoTalent.com. The license is tied to your VIN and activated in your bootmod3 account. You then flash from the BM3 app or web interface over OBD.

Can I switch maps or go back to stock?

Yes. BM3 lets you switch maps on the fly and flash back to stock at any time.

New to BM3? Read What is BM3? A BMW owner's guide to bootmod3 tuning.

Other Bootmod3 engine tunes

Bootmod3 B58 tune · Bootmod3 S55 tune (M3/M4/M2 Comp) · Bootmod3 N55 tune · Bootmod3 N20/N26 tune · Bootmod3 S58 tune (G80 M3/G82 M4) · Bootmod3 S63TU tune (M5/M6/X5M/X6M) · All Bootmod3 tunes

Fitment
Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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