Chiptuning for BMW Z4
E85 2003 ... 35is - N54
E85 2003 ... 35is - N54
Fuel type
gasoline 
Standard HP
340 
Standard Nm
450 STAGE 1 +35 HP / +55 Nm
HP
Nm
Stock
340
450
Tuning
375
505
Difference
35
55
STAGE 2 +52 HP / +92 Nm
HP
Nm
Stock
340
450
Tuning
392
542
Difference
52
92
STAGE 3 +105 HP / +145 Nm
HP
Nm
Stock
340
450
Tuning
445
595
Difference
105
145