BMW 5 Series 520i 170hp Remap

Name: BMW 5 Series 520i 170hp ECU Remap
Brand: BMW

Expected gains of +50 BHP and +60 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+50 hp (29%)

Standard

170 hp

Tuned

220 hp

Torque+60 Nm (24%)

Standard

250 Nm

Tuned

310 Nm

Suitability

Moderate (5.5/10)

Gains Profile

Balanced

Headroom

High

BMW 5 Series 520i 170hp ECU Remapping

Considering an ECU remap for your BMW 5 Series 520i 170hp? A Stage 1 remap can take this G30/31 - 2016 - 2019 petrol engine from 170 BHP to 220 BHP and from 250 Nm to 310 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

44thof 100 BMW 5 Series engines by power gain
76%of the 9,842 engines we hold gain data for see a smaller power increase
41%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 520i 170hp is a 1.6L naturally aspirated petrol engine producing 170 BHP and 250 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 220 BHP and 310 Nm — a gain of around 50 BHP (29%) and 60 Nm (24%).

This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. 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 8-speed automatic (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 G30/31 - 2016 - 2019 Engines

Engine	BHP	Gain	Torque	Gain	Score
518d 150hp	150 → 190	+40	350 → 400	+50	Excellent (8/10)
520d 163hp	163 → 220	+57	400 → 480	+80	Good (7.5/10)
520i 184hp	184 → 250	+66	290 → 440	+150	Good (6.5/10)
520d 190hp	190 → 220	+30	400 → 480	+80	Good (7/10)
525d 231hp	231 → 270	+39	500 → 575	+75	Good (7/10)
530e IPerformance 252hp	252 → 340	+88	420 → 540	+120	Good (6.5/10)
530I 252hp	252 → 287	+35	350 → 450	+100	Moderate (5.5/10)
530d 265hp	265 → 310	+45	620 → 720	+100	Good (7/10)
540d 320hp	320 → 400	+80	680 → 800	+120	Good (7.5/10)
540I 340hp	340 → 400	+60	450 → 580	+130	Moderate (5.5/10)
M550d 400hp	400 → 460	+60	760 → 880	+120	Good (7/10)
M550I 462hp	462 → 560	+98	650 → 830	+180	Moderate (5.5/10)
M550I 530hp	530 → 650	+120	750 → 880	+130	Moderate (5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Naturally Aspirated
Displacement: 1.6L
Capacity: 1598 CC
Type: Car
Engine Family: BMW 1.6L NA Petrol

ECU & Transmission

Likely ECU Low confidence: Bosch MEVD/MG1 family (varies)
Gearbox Medium confidence: Many variants use ZF 8-speed automatic (where fitted); manuals also exist.

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Confirm Your Vehicle

MakeBMW

Model5 Series

GenerationG30/31 - 2016 - 2019

Engine520i 170hp

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.