Stage 1 Remap
BMW 5 serie 523i 177hp
BMW 5 serie — estimated Stage 1 remap gains.
| Stock | Stage 1 | Gain | |
|---|---|---|---|
| Power | 177 bhp | 194 bhp | +17 bhp |
| Torque | 230 Nm | 250 Nm | +20 Nm |
⚠️ These figures are estimates only. Every vehicle is unique — your actual gains depend on your car's exact specification and condition. Please contact us to confirm the gains for your vehicle.
Stage 1 remapping for the BMW 5 serie 523i 177hp by Hardys Remaps — safe, reversible and diagnostics‑led, in Matlock, Derbyshire. Every job includes a pre‑ and post‑tune health check. See more vehicles on our gains checker.