Burger Motorsports BMW N54 JB4 2 Step / NLS Relay JB4N542STEP

BMW N54 JB4 2 Step / NLS Relay

BMW N54 JB4 2 Step / NLS Relay is a powerful add-on for BMW N54 engines that enables your JB4 to “2-step” by cycling power to the ignition coils, allowing for quick boost build-up even when the engine is not under load. Ideal for both manual and automatic transmissions, this relay is perfect for creating dramatic sound effects and for launching with manual transmissions. Additionally, it provides No Lift Shifting (NLS) capability for manual cars, enhancing performance and shifting speed.

  • Enables 2-step functionality for boost control, enhancing launch performance
  • No Lift Shifting (NLS) for seamless gear changes in manual transmissions
  • Compatible with both manual and automatic BMW N54 models
  • Easy installation with updated JB4 firmware (v32_15 for twin turbo or v13_7 for single turbo) - clutch wire no longer required
  • Requires JB4, back-end flash map, and either a BMS data cable or JB4 mobile connect kit
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T#: 1762259 | Part#: JB4N542STEP
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Burger Motorsports BMW N54 JB4 2 Step / NLS Relay JB4N542STEP
BMW N54 JB4 2 Step / NLS Relay
$35.00

BMW N54 JB4 2 Step / NLS Relay is a powerful add-on for BMW N54 engines that enables your JB4 to “2-step” by cycling power to the ignition coils, allowing for quick boost build-up even when the engine is not under load. Ideal for both manual and automatic transmissions, this relay is perfect for creating dramatic sound effects and for launching with manual transmissions. Additionally, it provides No Lift Shifting (NLS) capability for manual cars, enhancing performance and shifting speed.

Key features:

  • Enables 2-step functionality for boost control, enhancing launch performance
  • No Lift Shifting (NLS) for seamless gear changes in manual transmissions
  • Compatible with both manual and automatic BMW N54 models
  • Easy installation with updated JB4 firmware (v32_15 for twin turbo or v13_7 for single turbo) - clutch wire no longer required
  • Requires JB4, back-end flash map, and either a BMS data cable or JB4 mobile connect kit

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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
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*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.