BMW 4 Series 440i 326hp Remap

Name: BMW 4 Series 440i 326hp ECU Remap
Brand: BMW

Expected gains of +54 BHP and +110 Nm torque

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BHP+54 hp (17%)

Standard

326 hp

Tuned

380 hp

Torque+110 Nm (24%)

Standard

450 Nm

Tuned

560 Nm

Suitability

Moderate (5.5/10)

Gains Profile

Torque-focused

Headroom

High

BMW 4 Series 440i 326hp ECU Remapping

Considering an ECU remap for your BMW 4 Series 440i 326hp? A Stage 1 remap can take this F36 - May/2016 - 2021 petrol engine from 326 BHP to 380 BHP and from 450 Nm to 560 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 4 Series can achieve.

How this engine compares

14thof 52 BMW 4 Series engines by power gain
81%of the 9,842 engines we hold gain data for see a smaller power increase
85%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The BMW 4 serie 440i 326hp is a 3.0L naturally aspirated petrol engine producing 326 BHP and 450 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 380 BHP and 560 Nm — a gain of around 54 BHP (17%) and 110 Nm (24%).

This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as high, based on the percentage gain available from the factory output.

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.. High tuned torque: check transmission torque capacity and service history.

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 4 Series F36 - May/2016 - 2021 Engines

Engine	BHP	Gain	Torque	Gain	Score
418i 136hp	136 → 170	+34	220 → 280	+60	Moderate (5.5/10)
418d 150hp	150 → 190	+40	320 → 400	+80	Excellent (8/10)
420i 184hp	184 → 250	+66	270 → 440	+170	Good (6.5/10)
420d 190hp	190 → 220	+30	400 → 440	+40	Good (6.5/10)
425d 224hp	224 → 270	+46	450 → 500	+50	Good (7/10)
430i 252hp	252 → 287	+35	350 → 450	+100	Moderate (5.5/10)
430d 258hp	258 → 310	+52	560 → 650	+90	Good (7/10)
435i 306hp	306 → 370	+64	400 → 520	+120	Moderate (5.5/10)
435d 313hp	313 → 360	+47	630 → 700	+70	Good (6.5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Naturally Aspirated
Displacement: 3L
Capacity: 2998 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 8-speed automatic (where fitted); manuals also exist. At this torque level, transmission and driveline servicing history becomes especially important.

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Confirm Your Vehicle

MakeBMW

Model4 Series

GenerationF36 - May/2016 - 2021

Engine440i 326hp

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.