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BMW Tuning
Before and after power and torque for every BMW M4 engine we tune, measured on our in-house 4WD dyno. Every map is written for your exact car and is fully reversible.
| Engine | Standard | Stage 1 | Stage 2 | Price | |
|---|---|---|---|---|---|
| M4Petrol | 431 bhp 550 Nm | 500 bhp+69 680 Nm+130 | 520 bhp+89 720 Nm+170 | £599Stage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
| M4 CompetitionPetrol | 450 bhp 550 Nm | 500 bhp+50 680 Nm+130 | 520 bhp+70 720 Nm+170 | £599Stage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
| M4 CSPetrol | 460 bhp 600 Nm | 500 bhp+40 680 Nm+80 | 520 bhp+60 720 Nm+120 | £599Stage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
| GTSPetrol | 500 bhp 600 Nm | 530 bhp+30 700 Nm+100 | 560 bhp+60 750 Nm+150 | £599Stage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
Stage 2 Petrol supporting mods: decat or sports cat + uprated intercooler.
Whichever you pick, the total carries through to checkout — pay in full by card, Apple Pay or Klarna (3 interest-free payments), or secure the slot with a £50 deposit. Figures are typical results for a healthy, standard vehicle on our dyno. Your car’s actual output depends on its condition, fuel quality and any supporting modifications. Prices shown are for Stage 1 custom dyno tuning inc VAT; locked ECUs (most BMW and Audi registered from mid-2020) carry an additional unlocking charge, confirmed when you book.