E J S

EJStunes



WELCOME! MHD and Bootmod3 MultiMap & CustomROM are now both available!

F Series N55

Compatible with the BMW F20/F21 M135i, BMW F22/F23 M235i, BMW F30/F31 335i, BMW F32/F36 435i, BMW F10/F11 535i, BMW F07 740i, BMW X1-X6 sDrive35i/xDrive35i, and more!

Stage 0

  • Stock Performance
  • Pops & Bangs / Flames
  • Catless Downpipe Required
  • MHD / Bootmod3 License Required
  • Off-road Use Only

$150 USD

PURCHASE


Stage 1

  • Stage 1 Performance
  • Available in 91, 93, or ethanol blend
  • Pops & Bangs / Flames
  • Chargepipe Upgrade Recommended
  • Catless Downpipe Required
  • MHD or Bootmod3 License Required
  • Off-road Use Only

$200 USD

PURCHASE


Stage 2

  • Stage 2 Performance
  • Available in 91, 93, or ethanol blend
  • Pops & Bangs / Flames
  • Chargepipe Upgrade Required
  • Catless Downpipe Required
  • MHD / Bootmod3 License Required
  • Off-road Use Only

$200 USD

PURCHASE


Stage 2 Plus

  • Stage 2 Plus Performance
  • Available in 91, 93, or ethanol blend
  • Pops & Bangs / Flames
  • Intercooler Upgrade Required
  • Chargepipe Upgrade Required
  • Catless Downpipe Required
  • MHD / Bootmod3 License Required
  • Off-road Use Only

$200 USD

PURCHASE


Additional Map

  • If you already own a tune from us and would like an additional stage or octane.
  • Does not apply to MultiMap / CustomROM tunes.

$125 USD

PURCHASE


Torque Limit Change

  • Change torque limits in an existing tune to values a for transmission tune.
  • Does not include transmission tune, an xHP or BM3 transmission tune is required.
  • Does not apply to MultiMap tunes.

$25 USD

PURCHASE


Stage 1 (Bootmod3 CustomROM)

  • Stage 1 Performance
  • Available in 91, 93, or ethanol blend
  • AntiLag Enabled (Slot 1 & 2)
  • Slot 1: Flames
  • Slot 2: Burbles (or none)
  • Chargepipe Upgrade Recommended
  • Catless Downpipe Required
  • Bootmod3 License Required
  • Off-road Use Only

$350 USD

PURCHASE


Stage 2 (Bootmod3 CustomROM)

  • Stage 2 Performance
  • Available in 91, 93, or ethanol blend
  • AntiLag Enabled (Slot 1 & 2)
  • Slot 1: Flames
  • Slot 2: Burbles (or none)
  • Chargepipe Upgrade Required
  • Catless Downpipe Required
  • Bootmod3 License Required
  • Off-road Use Only

$350 USD

PURCHASE


Stage 2 Plus (Bootmod3 CustomROM)

  • Stage 2 Plus Performance
  • Available in 91, 93, or ethanol blend
  • AntiLag Enabled (Slot 1 & 2)
  • Slot 1: Flames
  • Slot 2: Burbles (or none)
  • Intercooler Upgrade Required
  • Chargepipe Upgrade Required
  • Catless Downpipe Required
  • Bootmod3 License Required
  • Off-road Use Only

$350 USD

PURCHASE


Additional CustomROM Stage

  • Add additional performance map slot to existing CustomROM tune from us. This can be a different stage / octane.

$200 USD

PURCHASE


Stage 1 (MHD MultiMap)

  • Stage 1 Performance
  • Available in 91, 93, or ethanol blend
  • Slot 1: Flames
  • Slot 2: Burbles (or none)
  • Chargepipe Upgrade Recommended
  • Catless Downpipe Required
  • MHD Flasher License Required
  • Off-road Use Only

$350 USD

PURCHASE


Stage 2 (MHD MultiMap)

  • Stage 2 Performance
  • Available in 91, 93, or ethanol blend
  • Slot 1: Flames
  • Slot 2: Burbles (or none)
  • Chargepipe Upgrade Required
  • Catless Downpipe Required
  • MHD Flasher License Required
  • Off-road Use Only

$350 USD

PURCHASE


Stage 2 Plus (MHD MultiMap)

  • Stage 2 Plus Performance
  • Available in 91, 93, or ethanol blend
  • Slot 1: Flames
  • Slot 2: Burbles (or none)
  • Intercooler Upgrade Required
  • Chargepipe Upgrade Required
  • Catless Downpipe Required
  • MHD Flasher License Required
  • Off-road Use Only

$350 USD

PURCHASE


Additional MultiMap Stage

  • Add additional performance map slot to existing MultiMap tune from us. This can be a different stage / octane.

$200 USD

PURCHASE