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BMW Tuning
Before and after power and torque for every BMW M3 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 | |
|---|---|---|---|---|---|
| E46 M3Petrol | 343 bhp 365 Nm | 365 bhp+22 390 Nm+25 | 375 bhp+32 400 Nm+35 | £599Stage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
| E46 M3 CSLPetrol | 360 bhp 370 Nm | 380 bhp+20 390 Nm+20 | — | £599+ gearbox £385 S1 + gearbox £859 › | Book |
Stage 2 Petrol supporting mods: decat or sports cat + uprated intercooler.
| Engine | Standard | Stage 1 | Stage 2 | Price | |
|---|---|---|---|---|---|
| M3 E9xPetrol | 420 bhp 400 Nm | 439 bhp+19 430 Nm+30 | 446 bhp+26 450 Nm+50 | £599Stage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
Stage 2 Petrol supporting mods: decat or sports cat + uprated intercooler.
| Engine | Standard | Stage 1 | Stage 2 | Price | |
|---|---|---|---|---|---|
| M3Petrol | 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 |
| M3 Grigio / Avus EditionPetrol | 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 |
| M3 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 |
| M3 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 |
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.