Advanced Performance Tuning - ECU Remapping Experts
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    BMW performance

    BMW Z4 E85 2003

    Choose your engine variant to see potential performance gains.

    2.0i - 150 HP

    Original
    150 HP
    200 Nm
    Stage 1
    164 HP
    225 Nm
    +9% / +13%

    2.0i - 163 HP

    Stage 2 Available
    Original
    163 HP
    270 Nm
    Stage 1
    190 HP
    300 Nm
    +17% / +11%
    Stage 2
    280 HP
    450 Nm
    +72% / +67%

    2.2i - 170 HP

    Original
    170 HP
    210 Nm
    Stage 1
    185 HP
    233 Nm
    +9% / +11%

    2.5i - 177 HP

    Original
    177 HP
    230 Nm
    Stage 1
    193 HP
    255 Nm
    +9% / +11%

    2.0i - 184 HP

    Stage 2 Available
    Original
    184 HP
    270 Nm
    Stage 1
    199 HP
    297 Nm
    +8% / +10%
    Stage 2
    280 HP
    450 Nm
    +52% / +67%

    2.5i - 192 HP

    Original
    192 HP
    245 Nm
    Stage 1
    210 HP
    260 Nm
    +9% / +6%

    2.3i - 204 HP

    Original
    204 HP
    250 Nm
    Stage 1
    225 HP
    265 Nm
    +10% / +6%

    2.5i - 211 HP

    Original
    211 HP
    250 Nm
    Stage 1
    238 HP
    270 Nm
    +13% / +8%

    2.5i - 218 HP

    Original
    218 HP
    250 Nm
    Stage 1
    238 HP
    270 Nm
    +9% / +8%

    3 - 231 HP

    Original
    231 HP
    300 Nm
    Stage 1
    248 HP
    320 Nm
    +7% / +7%

    3.0i - 258 HP

    Original
    258 HP
    300 Nm
    Stage 1
    278 HP
    320 Nm
    +8% / +7%

    3.0i SI - 265 HP

    Original
    265 HP
    315 Nm
    Stage 1
    282 HP
    337 Nm
    +6% / +7%

    35i - N54 - 306 HP

    Stage 2 Available
    Original
    306 HP
    400 Nm
    Stage 1
    370 HP
    500 Nm
    +21% / +25%
    Stage 2
    390 HP
    540 Nm
    +27% / +35%

    35i - N55 Twinscroll - 306 HP

    Stage 2 Available
    Original
    306 HP
    400 Nm
    Stage 1
    350 HP
    520 Nm
    +14% / +30%
    Stage 2
    370 HP
    540 Nm
    +21% / +35%

    35is - N54 - 340 HP

    Stage 2 Available
    Original
    340 HP
    450 Nm
    Stage 1
    370 HP
    500 Nm
    +9% / +11%
    Stage 2
    390 HP
    540 Nm
    +15% / +20%

    M 3.2 - 343 HP

    Stage 2 Available
    Original
    343 HP
    365 Nm
    Stage 1
    365 HP
    387 Nm
    +6% / +6%
    Stage 2
    375 HP
    400 Nm
    +9% / +10%

    Important Information

    • • All power and torque figures shown are up to the maximum potential gains. No two cars are the same.
    • • Actual results depend on vehicle condition, maintenance history, and driving style.
    • • Fuel economy improvements (up to 15%) apply to diesel engines only.
    • • ECU remapping may affect your manufacturer warranty - please check with your dealer.
    • • You must inform your insurance company of any ECU modifications.