15 engine variants available
| Engine | Fuel | BHP Std | BHP Tuned | BHP Gain | Torque Std | Torque Tuned | Torque Gain | Suitability | Profile |
|---|---|---|---|---|---|---|---|---|---|
| 418i (1.5T) 136hp |
| Petrol |
| 136 |
| 165 |
| +29(21%) |
| 220 |
| 270 |
| +50(23%) |
| Good (7.5/10) |
| Balanced |
| 418D 150hp | Diesel | 150 | 190 | +40(27%) | 320 | 400 | +80(25%) | Excellent (8/10) | Balanced |
| 420D 163hp | Diesel | 163 | 220 | +57(35%) | 380 | 440 | +60(16%) | Good (7.5/10) | Power-focused |
| 420D 184hp | Diesel | 184 | 220 | +36(20%) | 380 | 440 | +60(16%) | Good (7/10) | Balanced |
| 420i 184hpUnder review | Petrol | 184 | 250 | +66(36%) | 270 | 440 | +170(63%) | Good (6.5/10) | Torque-focused |
| 420D 190hp | Diesel | 190 | 220 | +30(16%) | 400 | 440 | +40(10%) | Good (6.5/10) | Power-focused |
| 425D 218hp | Diesel | 218 | 270 | +52(24%) | 450 | 500 | +50(11%) | Good (7/10) | Power-focused |
| 428i 245hp | Petrol | 245 | 280 | +35(14%) | 350 | 430 | +80(23%) | Moderate (5/10) | Torque-focused |
| 430i 252hp | Petrol | 252 | 287 | +35(14%) | 350 | 450 | +100(29%) | Moderate (5.5/10) | Torque-focused |
| 430D 258hp | Diesel | 258 | 310 | +52(20%) | 560 | 650 | +90(16%) | Good (7/10) | Balanced |
| 435i 306hp | Petrol | 306 | 365 | +59(19%) | 400 | 500 | +100(25%) | Moderate (5.5/10) | Balanced |
| 435xD 313hp | Diesel | 313 | 365 | +52(17%) | 630 | 710 | +80(13%) | Good (6.5/10) | Power-focused |
| M4 - 431hp | Petrol | 431 | 500 | +69(16%) | 600 | 650 | +50(8%) | Moderate (4.5/10) | Power-focused |
| M4 Competition 450hp | Petrol | 450 | 500 | +50(11%) | 550 | 680 | +130(24%) | Moderate (5/10) | Torque-focused |
| M4 GTS 500hp | Petrol | 500 | 530 | +30(6%) | 600 | 700 | +100(17%) | Moderate (4.5/10) | Torque-focused |
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