N54
BMW N54 3.0L Twin-Turbo Inline-6
2979ccInline-6, DOHC, Twin-Turbocharged
The BMW N54 is a 3.0-liter twin-turbocharged inline-six engine produced from 2006–2016. It produces 300 hp in stock form and is highly regarded for its tuning potential, with many builds exceeding 600 hp on the stock block. Increasingly popular as a swap into E36 and E46 chassis for drift builds.
BMW E36 (swap)BMW E46 (swap)BMW E90/E92 335iBMW E89 Z4 35i
Always verify torque specifications with your specific year/model OEM service manual before assembly. Values shown are reference specifications and may vary by model year, revision, or regional market.
1Cylinder Head
7 specifications · 2 locked
| Component | Value | Unit | Notes |
|---|---|---|---|
| 1Cylinder Head Bolts — Pass 1 | 22 | lb-ft | Bolts 1–10 in sequence |
| 2Cylinder Head Bolts — Pass 2 | +90° | ° | Angle turn |
| 3Cylinder Head Bolts — Pass 3 | +90° | ° | Angle turn |
| 4Cylinder Head Bolts — Pass 4 | +45° | ° | Final angle turn |
| Valve Cover Bolts | 7.4 | lb-ft | |
| ████████████████ | ██ | ████ | ████████████ |
| ████████████████ | ██ | ████ | ████████████ |
2Short Block
8 specifications · 3 locked
| Component | Value | Unit | Notes |
|---|---|---|---|
| 1Main Bearing Caps — Jointing | 15 | lb-ft | Initial snug |
| 2Main Bearing Caps M10 — Setting | 15 → +70° | lb-ft | 15 Nm then +70° angle |
| 2Main Bearing Caps M11 — Setting | 15 → +100° | lb-ft | 15 Nm then +100° angle |
| 1Connecting Rod Bolts — Jointing | 4.4 | lb-ft | Initial snug |
| 2Connecting Rod Bolts — Setting | 15 | lb-ft | |
| ████████████████ | ██ | ████ | ████████████ |
| ████████████████ | ██ | ████ | ████████████ |
| ████████████████ | ██ | ████ | ████████████ |
3Engine Accessories
10 specifications · 5 locked
| Component | Value | Unit | Notes |
|---|---|---|---|
| Exhaust Manifold Bolts | 15 | lb-ft | |
| Intake Manifold Bolts | 16 | lb-ft | |
| Oil Pan Bolts | 18 | lb-ft | Stagger pattern |
| Oil Drain Plug | 18.5 | lb-ft | |
| Chain Tensioner | 51 | lb-ft | |
| ████████████████ | ██ | ████ | ████████████ |
| ████████████████ | ██ | ████ | ████████████ |
| ████████████████ | ██ | ████ | ████████████ |