BMW 4 Series 435i 306hp Remap

Name: BMW 4 Series 435i 306hp ECU Remap
Brand: BMW

Expected gains of +59 BHP and +100 Nm torque

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BHP+59 hp (19%)

Standard

306 hp

Tuned

365 hp

Torque+100 Nm (25%)

Standard

400 Nm

Tuned

500 Nm

Suitability

Moderate (5.5/10)

Gains Profile

Balanced

Headroom

High

BMW 4 Series 435i 306hp ECU Remapping

Considering an ECU remap for your BMW 4 Series 435i 306hp? A Stage 1 remap can take this F32/33 - 2013 - 2016 petrol engine from 306 BHP to 365 BHP and from 400 Nm to 500 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

9thof 52 BMW 4 Series engines by power gain
85%of the 9,842 engines we hold gain data for see a smaller power increase
79%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 435i 306hp is a 2.9L naturally aspirated petrol engine producing 306 BHP and 400 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 365 BHP and 500 Nm — a gain of around 59 BHP (19%) and 100 Nm (25%).

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.

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 F32/33 - 2013 - 2016 Engines

Engine	BHP	Gain	Torque	Gain	Score
418i (1.5T) 136hp	136 → 165	+29	220 → 270	+50	Good (7.5/10)
418D 150hp	150 → 190	+40	320 → 400	+80	Excellent (8/10)
420D 163hp	163 → 220	+57	380 → 440	+60	Good (7.5/10)
420D 184hp	184 → 220	+36	380 → 440	+60	Good (7/10)
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 218hp	218 → 270	+52	450 → 500	+50	Good (7/10)
428i 245hp	245 → 280	+35	350 → 430	+80	Moderate (5/10)
430i 252hp	252 → 287	+35	350 → 450	+100	Moderate (5.5/10)
430D 258hp	258 → 310	+52	560 → 650	+90	Good (7/10)
435xD 313hp	313 → 365	+52	630 → 710	+80	Good (6.5/10)
M4 - 431hp	431 → 500	+69	600 → 650	+50	Moderate (4.5/10)
M4 Competition 450hp	450 → 500	+50	550 → 680	+130	Moderate (5/10)
M4 GTS 500hp	500 → 530	+30	600 → 700	+100	Moderate (4.5/10)

Technical Specifications

Fuel Type: Petrol
Aspiration: Naturally Aspirated
Displacement: 2.9L
Capacity: 2929 CC
Type: Car
Engine Family: BMW 2.9L 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

GenerationF32/33 - 2013 - 2016

Engine435i 306hp

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.