BMW 5 Series 523i 204hp Remap

Name: BMW 5 Series 523i 204hp ECU Remap
Brand: BMW

Expected gains of +61 BHP and +45 Nm torque

Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.

BHP+61 hp (30%)

Standard

204 hp

Tuned

265 hp

Torque+45 Nm (17%)

Standard

270 Nm

Tuned

315 Nm

Suitability

Moderate (5.5/10)

Gains Profile

Power-focused

Headroom

High

BMW 5 Series 523i 204hp ECU Remapping

Considering an ECU remap for your BMW 5 Series 523i 204hp? A Stage 1 remap can take this F10/11 - 2010 - 2016 petrol engine from 204 BHP to 265 BHP and from 270 Nm to 315 Nm of torque (naturally aspirated). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW 5 Series can achieve.

How this engine compares

23rdof 100 BMW 5 Series engines by power gain
88%of the 9,842 engines we hold gain data for see a smaller power increase
25%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The BMW 5 serie 523i 204hp is a 3.0L naturally aspirated petrol engine producing 204 BHP and 270 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 265 BHP and 315 Nm — a gain of around 61 BHP (30%) and 45 Nm (17%).

This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as high, based on the percentage gain available from the factory output.

From a technical perspective, the transmission is many variants use zf 5/6-speed automatics (where fitted); manuals also exist..

Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.

Other 5 Series F10/11 - 2010 - 2016 Engines

Engine	BHP	Gain	Torque	Gain	Score
518D 136hp (1995cc)	136 → 220	+84	360 → 440	+80	Excellent (8.5/10)
518D 143hp (1995cc)	143 → 220	+77	360 → 440	+80	Excellent (8.5/10)
518D 150hp (1995cc)	150 → 220	+70	360 → 440	+80	Excellent (8.5/10)
520D 163hp	163 → 220	+57	380 → 440	+60	Good (7.5/10)
520D 184hp	184 → 220	+36	380 → 440	+60	Good (7/10)
520i 184hp	184 → 240	+56	270 → 420	+150	Good (6.5/10)
520D 190hp	190 → 220	+30	400 → 440	+40	Good (6.5/10)
520D 200hp	200 → 220	+20	420 → 440	+20	Moderate (5.5/10)
525D 204hp (2993cc)	204 → 300	+96	450 → 610	+160	Excellent (8/10)
525D 218hp (1995cc)	218 → 270	+52	450 → 500	+50	Good (7/10)
525i 218hp	218 → 265	+47	270 → 315	+45	Moderate (5/10)
530D 245hp	245 → 300	+55	540 → 620	+80	Good (7/10)
528i 245hp	245 → 280	+35	350 → 430	+80	Moderate (5/10)
528i 258hp	258 → 280	+22	310 → 340	+30	Moderate (4/10)
530D 258hp	258 → 310	+52	560 → 650	+90	Good (7/10)
530i 272hp	272 → 290	+18	320 → 340	+20	Moderate (4/10)
535D 299hp	299 → 340	+41	600 → 680	+80	Good (6.5/10)
535D 306hp	306 → 340	+34	600 → 680	+80	Good (6.5/10)
535i 306hp	306 → 365	+59	400 → 520	+120	Moderate (5.5/10)
535D 313hp	313 → 365	+52	630 → 710	+80	Good (6.5/10)
535i Active Hybrid 340hp	340 → 400	+60	450 → 520	+70	Moderate (5/10)
M 550D - 381hp	381 → 420	+39	740 → 800	+60	Moderate (5.5/10)
550i 407hp	407 → 470	+63	600 → 700	+100	Moderate (5/10)
550i Valvetronic 449hp	449 → 540	+91	650 → 780	+130	Moderate (5.5/10)
M5 Bi-Turbo 560hp	560 → 680	+120	680 → 850	+170	Good (7.5/10)
M5 Competition 575hp	575 → 680	+105	680 → 850	+170	Moderate (5.5/10)
M5 "30 Jahre Edition" 600hp	600 → 680	+80	700 → 850	+150	Moderate (5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Naturally Aspirated
Displacement: 3L
Capacity: 2996 CC
Type: Car
Engine Family: BMW 3.0L NA Petrol

ECU & Transmission

Likely ECU Low confidence: Bosch MEVD/MG1 family (varies)
Gearbox Medium confidence: Many variants use ZF 5/6-speed automatics (where fitted); manuals also exist.

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Confirm Your Vehicle

MakeBMW

Model5 Series

GenerationF10/11 - 2010 - 2016

Engine523i 204hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.