SKU: 20188607971

Active Autowerke Performance Software - 2019+ M340i X3 X4 (B58)

Sale price$311.40 Regular price$346.00
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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23

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Description

Active Autowerke Performance Software - 2019+ M340i X3 X4 (B58)Please NOTE that BMW dealers now have the technology to flag your vehicle as having the DME modified even if the flash has been removed and replaced with the stock tune and this may impact your cars warranty. You accept full responsibility for the purchase and use of this aftermarket tune for your vehicle. Active Autowerke offers unparalleled performance software. Through careful remapping of the factory BMW DME tables, various elements such as


Please NOTE that BMW dealers now have the technology to flag your vehicle as having the DME modified even if the flash has been removed and replaced with the stock tune and this may impact your cars warranty. You accept full responsibility for the purchase and use of this aftermarket tune for your vehicle.

Active Autowerke offers unparalleled performance software. Through careful remapping of the factory BMW DME tables, various elements such as ignition timing, fuel delivery, and part throttles are reworked to create performance gains. The Active Autowerke upgraded software is designed to operate with gasoline that has an average octane rating with full emissions to create a clean burning combustion with good AFRs all within factory specifications.

NOTE: Dyno chart for M340 shows stock with AA B58 Catted Downpipe.


Active Autowerke's B58 Performance Software bundle includes stage 1, stage 2 and stage 2 with super high flow cat tunes! We have an option to include the Femto end user program and cable to enable you to do the software flash. WARNING - when flashing your ECU, it is important that you connect a battery charger to your car in order to provide a stable voltage source regardless of your battery condition and you must remove any sleep options on your laptop. If your car has updated software after November 2019, you must not purchase the Femto option and must send the ECU to us for flashing.


Key Features:
Up to 80whp Horspower gains throughout RPM range (vs stock, 58 vs stock tune w AA catted downpipe)
Up to 100 Ft/lbs torque gain
Recallibrated settings for a smoother and more responsive part throttle transition
Recallibrated settings for a smoother and more responsive power delivery
Modified Vanos camshaft remapping
Available "Burble" Maps
Free tech support and assistance
Multiple maps available for flashing at home (after initial reflash)

Available Options:

  • Cold start delete
  • Stage 1 or Stage 2 maps for 91-93 octane
  • Off Road Only Downpipe Map
  • Burble Option
  • Tuner flag removal
  • OBD Flashing Option (add Femto software and cable)
Performance Specs:
Up to 80 hp gains : Rear wheel HP measured on the dyno
Up to 100 Ft / LBs gains : Rear wheel FT/LBs measured on the dyno


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20188607971

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Natrona Heights, US
★★★★★ 5
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Phoenix, US
★★★★★ 4
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Color: Black, Size: 38W x 30L
These are nice formal dress pants. They look proper, have a nice pleat, and sit nicely on the waist and legs. My only complaint is that they run a bit longer than expected. I get the same size pants everywhere so I'm used to the size, but these definitely run longer than expected. The material of the pants is okay, it's not going to be your typical wool slacks or anything, and it feels a bit "plasticky" at times, but they look great, and the polyester definitely helps with the wrinkle avoidance so you do not need to iron these. The description says "soft premium fabric" but it's 100% polyester, so take that as you will. Overall very decent dress slacks, at a very decent price.
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Reviewed in the United States on May 22, 2026
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Amazon Customer
Birmingham, US
★★★★★ 5
Quality pants
Very good fit in waist. Fine quality The length had to be shortened for me.
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Grantham, US
★★★★★ 5
Good fit
Color: Midnight Blue, Size: 38W x 32L
They were a perfect fit for my husband.
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Reviewed in the United States on April 28, 2026
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Alfredo
San Leandro, US
★★★★★ 1
Nada
Color: Khaki, Size: 32W x 29L, Color: Khaki, Size: 32W x 29L
Esta roto dentro del volsillo
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Reviewed in the United States on May 30, 2026

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