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BMW Tuning
Typical before and after power and torque for every BMW X5 engine we tune. Your own car is custom mapped on our in-house 4WD dyno, and every map is fully reversible.
No engine matches that. Try fewer letters, or check your car by reg.
Shape is indicative. Your real before & after curves are measured on our 4WD dyno on the day and you take the printout home.
Shape is indicative. Your real before & after curves are measured on our 4WD dyno on the day and you take the printout home.
Measured on our dyno
The M550i shares its 4.4 twin-turbo V8 (N63) with the X5 M50i and xDrive50i. Before and after, straight off the printouts from our in-house 4WD dyno. Tap a sheet to see it in full. Swipe for all 2 cars.
| Engine | Standard | Stage 1custom dyno tuning | Stage 2custom dyno tuning | Price | |
|---|---|---|---|---|---|
| xDrive 40i2998cc - B58 · Petrol | 380 bhp 520 Nm | 420 bhp+40 600 Nm+80 | — | Stage 1 + ECU unlock£699Includes the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £959 › | Book |
| M60i4395cc - S68 · Petrol | 530 bhp 750 Nm | 680 bhp+150 850 Nm+100 | — | Stage 1 + ECU unlock£899Includes the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £1159 › | Book |
| xDrive 30d2993cc - B57 mild hybrid · Bosch MD1CP032 · Diesel | 298 bhp 670 Nm | 330 bhp+32 720 Nm+50 | — | Stage 1 + ECU unlock£549Includes the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £809 › | Book |
| xDrive50e2998cc - B58 plug-in hybrid · Plug-in Hybrid | 489 bhp 700 Nm | 540 bhp+51 780 Nm+80 | — | Stage 1 + ECU unlock£549Includes the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £809 › | Book |
Locked ECU? Already in the price. Every BMW in this generation was built after June 2020, so its ECU is locked. We unlock it on our own bench the same day, with no extra time, and the £100 is already included in the prices shown. On its own, if we’re not tuning the car, the unlock is £249. More on unlocking Built from June 2026? Those cars use a new ECU lock that can’t yet be opened, so we can’t tune them for now. Email sales@dcremappinguk.com with your reg and we’ll let you know as soon as that changes.
| Engine | Standard | Stage 1custom dyno tuning | Stage 2custom dyno tuning | Price | |
|---|---|---|---|---|---|
| xDrive 40iPetrol | 340 bhp 450 Nm | 420 bhp+80 600 Nm+150 | 450 bhp+110 650 Nm+200 | £599Built after June 2020? £699 with the £100 ECU unlock · same day, no extra timeStage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
| xDrive 40i (PP)Petrol | 360 bhp 500 Nm | 420 bhp+60 600 Nm+100 | 450 bhp+90 650 Nm+150 | £599Built after June 2020? £699 with the £100 ECU unlock · same day, no extra timeStage 2 £749+ gearbox £385 S1 + gearbox £859 › S2 + gearbox £1009 › | Book |
| xDrive 50iBosch MG1CS201 · Petrol | 462 bhp 650 Nm | 550 bhp+88 820 Nm+170 | — | £599Built after June 2020? £749 with the £150 unlock of both ECUs (twin-ECU V8) · same day, no extra time+ gearbox £385 S1 + gearbox £859 › | Book |
| M50i4395cc - N63 · Bosch MG1CS201 · Petrol | 530 bhp 750 Nm | 680 bhp+150 850 Nm+100 | — | £799Built after June 2020? £949 with the £150 unlock of both ECUs (twin-ECU V8) · same day, no extra time+ gearbox £385 S1 + gearbox £1059 › | Book |
| xDrive 25dBosch MD1CP032 · Diesel | 231 bhp 500 Nm | 270 bhp+39 550 Nm+50 | — | £449Built after June 2020? £549 with the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £709 › | Book |
| xDrive 30dBosch MD1CP032 · Diesel | 265 bhp 620 Nm | 330 bhp+65 720 Nm+100 | — | £449Built after June 2020? £549 with the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £709 › | Book |
| xDrive 30d (2020-23)2993cc - B57 mild hybrid · Bosch MD1CP032 · Diesel | 286 bhp 650 Nm | 330 bhp+44 720 Nm+70 | — | £449Built after June 2020? £549 with the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £709 › | Book |
| xDrive 40d2993cc - B57 mild hybrid · Bosch MD1CP032 · Diesel | 340 bhp 700 Nm | 400 bhp+60 800 Nm+100 | — | £449Built after June 2020? £549 with the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £709 › | Book |
| xDrive M50dBosch MD1CP002 · Diesel | 400 bhp 760 Nm | 440 bhp+40 820 Nm+60 | — | £449Built after June 2020? £549 with the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £709 › | Book |
| xDrive45e2998cc - B58 plug-in hybrid · Plug-in Hybrid | 394 bhp 600 Nm | 500 bhp+106 800 Nm+200 | — | £449Built after June 2020? £549 with the £100 ECU unlock · same day, no extra time+ gearbox £385 S1 + gearbox £709 › | Book |
Locked ECU? No problem. BMW and Alpina cars built from June 2020 have an encrypted ECU. We unlock it on our own bench the same day — £100 added to a tuning booking — and it adds no time to your appointment. On its own, if we’re not tuning the car, it’s £249. Check your reg → · More on unlocking → Built from June 2026? Those cars use a new ECU lock that can’t yet be opened, so we can’t tune them for now. Email sales@dcremappinguk.com with your reg and we’ll let you know as soon as that changes.
Stage 2 Petrol supporting mods: decat or sports cat + uprated intercooler.
| Engine | Standard | Stage 1custom dyno tuning | Stage 2custom dyno tuning | Price | |
|---|---|---|---|---|---|
| xDrive 28i1997cc - N20B20 · Bosch MEVD17.2.9 · Petrol | 245 bhp 350 Nm | 290 bhp+45 450 Nm+100 | 310 bhp+65 480 Nm+130 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
| xDrive 35iBosch MEVD17.2.G · Petrol | 306 bhp 400 Nm | 365 bhp+59 520 Nm+120 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| xDrive 50iPetrol | 450 bhp 650 Nm | 540 bhp+90 780 Nm+130 | 575 bhp+125 820 Nm+170 | £599Stage 2 £749+ gearbox £325 S1 + gearbox £799 › S2 + gearbox £949 › | Book |
| x/sDrive 25dDiesel | 218 bhp 450 Nm | 270 bhp+52 500 Nm+50 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| xDrive 25d1995cc - B47D20B · Bosch MD1CS001 · Diesel | 231 bhp 450 Nm | 270 bhp+39 550 Nm+50 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| xDrive 30dDiesel | 258 bhp 560 Nm | 330 bhp+72 690 Nm+130 | 340 bhp+82 720 Nm+160 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
| xDrive 30d PPDiesel | 286 bhp 600 Nm | 330 bhp+44 720 Nm+120 | 340 bhp+54 735 Nm+135 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
| xDrive 40dDiesel | 313 bhp 630 Nm | 390 bhp+77 780 Nm+150 | 400 bhp+87 810 Nm+180 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
| xDrive M50dDiesel | 381 bhp 740 Nm | 420 bhp+39 800 Nm+60 | 440 bhp+59 840 Nm+100 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
| 40ePlug-in Hybrid | 313 bhp 450 Nm | 358 bhp+45 550 Nm+100 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
Stage 2 Petrol supporting mods: decat or sports cat + uprated intercooler.
Stage 2 Diesel supporting mods: DPF delete (off-road use only) + uprated intercooler.
| Engine | Standard | Stage 1custom dyno tuning | Stage 2custom dyno tuning | Price | |
|---|---|---|---|---|---|
| 35iPetrol | 306 bhp 400 Nm | 365 bhp+59 520 Nm+120 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| 50iPetrol | 408 bhp 600 Nm | 470 bhp+62 700 Nm+100 | — | £599+ gearbox £325 S1 + gearbox £799 › | Book |
| MPetrol | 555 bhp 680 Nm | We no longer tune the X5 M before the F95 | — | ||
| 30dDiesel | 211 bhp 540 Nm | 300 bhp+89 620 Nm+80 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| 30dDiesel | 245 bhp 540 Nm | 300 bhp+55 620 Nm+80 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| 35dDiesel | 286 bhp 580 Nm | 340 bhp+54 680 Nm+100 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| 40dDiesel | 306 bhp 600 Nm | 340 bhp+34 680 Nm+80 | 350 bhp+44 700 Nm+100 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
| 50dDiesel | 381 bhp 740 Nm | 420 bhp+39 800 Nm+60 | 440 bhp+59 840 Nm+100 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
Stage 2 Diesel supporting mods: DPF delete (off-road use only) + uprated intercooler.
| Engine | Standard | Stage 1custom dyno tuning | Stage 2custom dyno tuning | Price | |
|---|---|---|---|---|---|
| 4.4 Twin TurboPetrol | 407 bhp 600 Nm | 470 bhp+63 700 Nm+100 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| MPetrol | 555 bhp 680 Nm | We no longer tune the X5 M before the F95 | — | ||
| 3.0dDiesel | 211 bhp 500 Nm | 280 bhp+69 600 Nm+100 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| 3.0dDiesel | 235 bhp 520 Nm | 280 bhp+45 600 Nm+80 | — | £449+ gearbox £325 S1 + gearbox £649 › | Book |
| 3.0sdDiesel | 286 bhp 580 Nm | 340 bhp+54 680 Nm+100 | 350 bhp+64 700 Nm+120 | £449Stage 2 £599+ gearbox £325 S1 + gearbox £649 › S2 + gearbox £799 › | Book |
Stage 2 Diesel supporting mods: DPF delete (off-road use only) + uprated intercooler.
Not a generic file bought in and flashed over the port. Your BMW X5 is strapped to our in-house 4WD dyno and the map is written for your car, on the day, from its own data.
Whichever you pick, the total carries through to checkout, so pay in full by card, Apple Pay or Klarna, or secure the slot with a £50 deposit. Figures are typical for a healthy, standard vehicle; your before and after dyno printout shows exactly what your car makes. 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.