BMW Z4 chiptuning
BMW Z4 E85 (2003 - 2009)
16 engines, 16 with software, Stage 1 from 1,499 RON, up to +64 HP; 1.5-2 hours in the workshop, measured on the Bapro dyno, before and after.
BMW Z4 E85 (2003 - 2009) engines: stock, Stage 1, gain, price
EngineStock → Stage 1GainPrice
petrol
2.0i150 HP · 200 Nm stock150→164 HP+14 HP, +25 Nm1,499 RONStage 1, finalSee the sheet →2.0i163 HP · 270 Nm stock163→190 HP+27 HP, +30 Nm1,499 RONStage 1, finalSee the sheet →2.2i170 HP · 210 Nm stock170→185 HP+15 HP, +23 Nm1,499 RONStage 1, finalSee the sheet →2.5i177 HP · 230 Nm stock177→193 HP+16 HP, +25 Nm1,499 RONStage 1, finalSee the sheet →2.0i184 HP · 270 Nm stock184→199 HP+15 HP, +27 Nm1,499 RONStage 1, finalSee the sheet →2.5i192 HP · 245 Nm stock192→210 HP+18 HP, +15 Nm1,499 RONStage 1, finalSee the sheet →2.3i204 HP · 250 Nm stock204→225 HP+21 HP, +15 Nm1,499 RONStage 1, finalSee the sheet →2.5i211 HP · 250 Nm stock211→238 HP+27 HP, +20 Nm1,499 RONStage 1, finalSee the sheet →2.5i218 HP · 250 Nm stock218→238 HP+20 HP, +20 Nm1,499 RONStage 1, finalSee the sheet →3.0231 HP · 300 Nm stock231→248 HP+17 HP, +20 Nm1,499 RONStage 1, finalSee the sheet →3.0i258 HP · 300 Nm stock258→278 HP+20 HP, +20 Nm1,499 RONStage 1, finalSee the sheet →3.0i SI265 HP · 315 Nm stock265→282 HP+17 HP, +22 Nm1,499 RONStage 1, finalSee the sheet →35i - N54306 HP · 400 Nm stock306→370 HP+64 HP, +100 Nm2,499 RONStage 1, finalSee the sheet →35i - N55 Twinscroll306 HP · 400 Nm stock306→350 HP+44 HP, +120 Nm2,499 RONStage 1, finalSee the sheet →35is - N54340 HP · 450 Nm stock340→370 HP+30 HP, +50 Nm2,499 RONStage 1, finalSee the sheet →M 3.2343 HP · 365 Nm stock343→365 HP+22 HP, +22 Nm2,499 RONStage 1, finalSee the sheet →Average values from repeated dyno measurements; your own figure is read on the dyno. The price is final, with diagnostics and the measurement included. Catalogue updated on 20 October 2026.
Other Z4 generations
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