BMW F30/F31/F34 Common Torque Specifications: Maintenance & DIY Reference
If you work on a BMW F30 long enough, you eventually end up searching for the same handful of torque specs over and over again. Wheel bolts. Oil drain plug. Spark plugs. Brake calipers. Control arms. Axle bolts. Valve cover. Oil filter housing.
The information is out there, but BMW spread it across service procedures, engine-specific documentation and individual repair instructions. This page brings the commonly needed BMW F30 torque specifications together in one place, while preserving the application differences that actually matter.
This guide primarily covers the U.S.-market F30 3 Series and closely related F31 wagon and F34 Gran Turismo, including N20, N26, N55 and B58 applications. Where a specification depends on engine, drivetrain or brake package, that distinction is called out rather than treating every F30 as interchangeable.
Disclaimer: Torque specifications can vary by model, engine, drivetrain, model year, fastener and repair procedure. While we've made every effort to provide accurate information from reliable sources, always verify the correct specification and procedure for your specific vehicle using current BMW service information before beginning any repair. Department69 is not responsible for damage, injury or other consequences resulting from the use of this information.
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BMW F30 Torque Specs: Quick Reference
Use this as a starting point, then check the application notes in the detailed sections below.
| Fastener / Component | Torque | Application | Source |
|---|---|---|---|
| Wheel bolts | 120 Nm / 89 ft-lb | Standard F30 application | FCP Euro |
| Oil-filter cap | 25 Nm / 18 ft-lb | N20/N26; B58 applications in BMW chart | BMW |
| Oil drain plug | 8 Nm / 71 in-lb | N20/N26 RWD, plastic oil pan | BMW |
| Oil drain plug | 25 Nm / 18 ft-lb | N20/N26 xDrive | BMW |
| Oil drain plug | 25 Nm / 18 ft-lb | B58 RWD/xDrive | BMW |
| Spark plugs | 23 Nm / 17 ft-lb | N55 | FCP Euro |
| N20/N26 valve-cover bolts | 9 Nm / 80 in-lb | Follow sequence | FCP Euro |
| N55 valve-cover bolts | 8.5 Nm / 75 in-lb | Follow sequence | FCP Euro |
| N20/N26 oil-filter housing | 22 Nm / 16 ft-lb | Housing to engine | FCP Euro |
| Standard caliper guide pins | 28 Nm / 21 ft-lb | Sliding caliper | FCP Euro |
| Standard caliper bracket | 50 Nm / 37 ft-lb + 90° | Sliding caliper | FCP Euro |
| Front knuckle pinch bolt | 44 Nm / 32 ft-lb + 90° | Common F30 suspension | FCP Euro |
| xDrive front axle bolt | 210 Nm / 155 ft-lb + 90° | Front axle procedure | FCP Euro |
Which BMWs Does This Guide Cover?
F30 is the sedan, F31 the wagon and F34 the 3 Series Gran Turismo. The related F32/F33/F36 4 Series shares substantial hardware, but this guide is centered on the 3 Series.
| Model | Common Engine | Notes |
|---|---|---|
| 320i | N20 | 2.0L turbo four-cylinder |
| 328i | N20/N26 | N26 is the SULEV derivative in applicable markets |
| 328i xDrive / F31 | N20/N26 | AWD changes some service hardware |
| 328d | N47 | Only explicitly verified diesel specs are included |
| 330i | B46/B48 | LCI four-cylinder; do not assume N20 values carry over |
| 330e | B48 + electric motor | Hybrid-specific procedures can differ |
| 335i | N55 | 3.0L turbo inline-six |
| 340i | B58 | 3.0L turbo inline-six |
| ActiveHybrid 3 | N55 + electric motor | Hybrid-specific procedures can differ |
The F80 M3 is not included. Its S55 engine and different hardware deserve a separate reference.
Wheel Bolt Torque
The common standard F30 wheel-bolt torque is 120 Nm / 89 ft-lb. Start the bolts by hand, tighten in a crossing pattern and do not lubricate the threads unless the applicable BMW procedure specifically instructs you to. Source: FCP Euro
Engine Oil Service
This is where a generic “F30 oil drain plug torque” answer can be wrong. BMW's oil-service chart distinguishes engine and drivetrain configurations.
N20/N26: RWD vs. xDrive
For rear-wheel-drive N20/N26 F30-family cars, BMW specifies 8 Nm / 71 in-lb for the drain plug and 25 Nm / 18 ft-lb for the oil-filter cap. The low drain-plug value is not a typo: these cars commonly use a plastic oil pan and plastic drain plug.
For xDrive N20/N26 cars, BMW specifies 25 Nm / 18 ft-lb for the drain plug and 25 Nm / 18 ft-lb for the filter cap.
For an N20 oil service, Turner lists a Genuine BMW RWD N20 oil-filter kit with the filter, cap O-ring and plastic drain plug, and a separate oil-filter kit for applicable xDrive N20/N55 F30s. Confirm exact fitment before ordering.
N55 Oil Service
BMW's chart lists the N55 oil-filter cap at 25 Nm / 18 ft-lb. The F30 ActiveHybrid 3 N55 application is also listed with a 25 Nm drain plug. For a conventional 335i, verify the drain-plug specification against the exact oil-pan configuration rather than borrowing a value from another N55 chassis.
B58 Oil Service
For the F30 340i, BMW specifies 25 Nm / 18 ft-lb for the drain plug and oil-filter cap in both the RWD and xDrive applications listed in its chart.
| Component | Torque | Application | Source |
|---|---|---|---|
| Drain plug | 8 Nm / 71 in-lb | N20/N26 RWD | BMW |
| Drain plug | 25 Nm / 18 ft-lb | N20/N26 xDrive | BMW |
| Oil-filter cap | 25 Nm / 18 ft-lb | N20/N26 | BMW |
| Drain plug | 25 Nm / 18 ft-lb | B58 RWD/xDrive | BMW |
| Oil-filter cap | 25 Nm / 18 ft-lb | B58 | BMW |
| Drain plug | 25 Nm / 18 ft-lb | N47 diesel RWD/xDrive | BMW |
| Oil-filter cap | 25 Nm / 18 ft-lb | N47 diesel | BMW |
Spark Plug Torque
N55 Spark Plugs
The N55 spark plugs are tightened to 23 Nm / 17 ft-lb. FCP Euro's procedure specifies no anti-seize on the plated replacement plugs. Source: FCP Euro
N20/N26 note: we are intentionally not publishing a universal N20/N26 spark-plug number here without stronger engine-specific source support in this research pass. Verify the current BMW procedure for the exact engine.
N20/N26 Valve Cover Torque
The valve-cover bolts are tightened to 9 Nm / 80 in-lb. Follow the proper sequence and bring the fasteners down evenly. Source: FCP Euro
| Component | Torque |
|---|---|
| Valve-cover bolts | 9 Nm / 80 in-lb |
| High-pressure fuel-pump bolts | 12 Nm / 8.9 ft-lb |
| Fuel-injector line fittings | 13 Nm / 9.6 ft-lb |
| Camshaft-adjuster fasteners | 5.5 Nm / 49 in-lb |
| Strut-brace bolts | 56 Nm / 41 ft-lb |
A Genuine BMW N20 valve-cover gasket replacement kit bundles the gasket set, vacuum-pump seals, Valvetronic actuator seals and hardware. Confirm fitment before ordering.
N55 Valve Cover Torque
The N55 valve cover uses 24 fasteners tightened to 8.5 Nm / 75 in-lb. The sequence matters. Source: FCP Euro
| Component | Torque |
|---|---|
| Valve-cover bolts | 8.5 Nm / 75 in-lb |
| Small fuel lines | 23 Nm / 17 ft-lb |
| Large fuel line | 30 Nm / 22 ft-lb |
| Fuel-rail mounting bolts | 13 Nm / 9.6 ft-lb |
| Intake-manifold nuts/bolts | 15 Nm / 11 ft-lb |
| Strut brace, center | 100 Nm / 74 ft-lb |
| Strut brace to shock tower | 34 Nm / 25 ft-lb |
N20/N26 Oil Filter Housing Torque
Oil-filter-housing leaks are common enough that these values are worth keeping handy. Source: FCP Euro
| Component | Torque |
|---|---|
| Housing to engine | 22 Nm / 16 ft-lb |
| Oil cooler to housing | 18 Nm / 13 ft-lb |
| Oil-filter cap | 25 Nm / 18 ft-lb |
| DME bolts | 12 Nm / 8.9 ft-lb |
The referenced FCP procedure lists the N20/N26 oil-cooler fasteners at 18 Nm. Do not add an angle unless the BMW procedure for your exact hardware calls for one.
N55 Oil Filter Housing Torque
For the N55, the referenced procedure specifies 22 Nm housing-to-cylinder-head, 25 Nm oil-filter cap, 16 Nm oil cooler to housing and 15 Nm intake manifold to cylinder head. Source: FCP Euro
ECS sells a specific N55 oil-filter-housing gasket replacement kit with the housing gasket, oil-cooler/thermostat gasket and oil-service components. Confirm exact fitment before ordering.
Standard F30 Front and Rear Brake Torque
The standard sliding-caliper setup uses the same key values in the referenced front and rear procedures. The additional 90-degree turn on the bracket bolts is part of the specification.
| Component | Torque | Source |
|---|---|---|
| Caliper guide pins | 28 Nm / 21 ft-lb | Front / FCP Euro; Rear / FCP Euro |
| Caliper bracket bolts | 50 Nm / 37 ft-lb + 90° | Front; Rear |
| Wheel bolts | 120 Nm / 89 ft-lb | FCP Euro |
F30 M Sport Front Brake Torque
The fixed-piston M Sport front setup uses different hardware. In the referenced procedure, the front caliper mounting bolts are tightened to 110 Nm / 81 ft-lb. Source: FCP Euro
This is why “F30 caliper bolt torque” can produce different answers that are each correct for different hardware. Identify the brake package first.
Front Suspension Torque Specs
| Component | Torque | Source |
|---|---|---|
| Front strut-to-knuckle pinch bolt | 44 Nm / 32 ft-lb + 90° | FCP Euro |
| Front thrust-arm chassis bolt | 100 Nm / 74 ft-lb | FCP Euro |
| Front control-arm chassis bolt | 100 Nm / 74 ft-lb | FCP Euro |
Rubber-bushed suspension arms should be tightened in the position specified by the repair procedure, commonly normal ride height. Tightening a bonded rubber bushing with the suspension hanging can preload it at normal ride height.
Rear Shock and Suspension Torque Specs
| Component | Torque | Notes | Source |
|---|---|---|---|
| Rear shock upper mount | 28 Nm / 21 ft-lb | Common F30 procedure | FCP Euro |
| Rear shock lower bolt | 100 Nm / 74 ft-lb | Common F30 procedure | FCP Euro |
| Rear knuckle bolt | 100 Nm / 74 ft-lb | Verify exact connection | FCP Euro |
| Toe-link inner | 100 Nm / 74 ft-lb | Tighten at ride height | FCP Euro |
| Toe-link outer | 100 Nm / 74 ft-lb + 90° | One-time-use aluminum hardware in referenced procedure | FCP Euro |
| Trailing-arm inner/outer | 100 Nm / 74 ft-lb | Tighten at ride height | FCP Euro |
| Upper-control-arm inner | 100 Nm / 74 ft-lb | Tighten at ride height | FCP Euro |
| Upper-control-arm outer | 100 Nm / 74 ft-lb + 90° | One-time-use aluminum hardware in referenced procedure | FCP Euro |
F30 xDrive Front Axle Torque
The referenced xDrive procedure specifies 210 Nm / 155 ft-lb + 90° for the front axle bolt and 175 Nm / 129 ft-lb for the thrust-arm ball-joint nut. Use the correct tools and complete procedure; do not substitute an impact gun for the final torque-and-angle step. Source: FCP Euro
Torque-Angle and Replacement Hardware
A specification such as 50 Nm + 90° is not interchangeable with a simple torque number. The initial torque seats the joint and the angular rotation controls additional fastener stretch and clamping force. BMW commonly calls for replacement hardware with torque-angle fasteners, self-locking nuts and certain aluminum bolts. If the repair procedure says replace it, replace it.
Why Some F30 Torque Specs Aren't Listed Here
The F30 spans N20, N26, N47, N55, B46/B48, B58 and hybrid applications, plus RWD/xDrive and multiple brake packages. We have intentionally left out values where the source set did not support the exact application strongly enough. That is especially relevant to later B46/B48/B58 engine work, transmission service, differential service and some drivetrain hardware. A missing number is better than a confident wrong one.
Common BMW F30 Torque-Spec Questions
What is the BMW F30 wheel-bolt torque?
120 Nm / 89 ft-lb for the common standard F30 application.
What is the N20 oil drain-plug torque?
BMW's chart specifies 8 Nm / 71 in-lb for the RWD N20/N26 application and 25 Nm / 18 ft-lb for xDrive.
What is the F30 oil-filter-cap torque?
25 Nm / 18 ft-lb for the N20/N26 and B58 applications covered by BMW's chart.
What is the N55 spark-plug torque?
23 Nm / 17 ft-lb in the verified N55 procedure.
What is the F30 brake-caliper torque?
There is no single value. Standard sliding calipers use 28 Nm guide pins and 50 Nm + 90° bracket bolts. The referenced M Sport front fixed caliper uses 110 Nm mounting bolts.
What is the BMW F30 xDrive axle-bolt torque?
210 Nm / 155 ft-lb + 90° in the front-axle procedure referenced here.
Should F30 suspension bolts be tightened at ride height?
For bonded rubber-bushing connections where the applicable procedure requires normal position, yes. The rear-control-arm procedure used here explicitly loads the suspension to ride height before final torque.
Sources
This reference was assembled from BMW service information and detailed repair procedures rather than unsourced torque lists.
- BMW of North America SI B11 01 15: Engine Oil Quick Reference Chart and Drain Plug Torque
- FCP Euro: BMW F30 N20 Oil Change
- FCP Euro: BMW N20/N26 Valve Cover Gasket
- FCP Euro: BMW N20/N26 Oil Filter Housing Gasket
- FCP Euro: BMW N55 Spark Plugs
- FCP Euro: BMW N55 Valve Cover
- FCP Euro: BMW N55 Oil Filter Housing
- FCP Euro: BMW F30 Standard Front Brakes
- FCP Euro: BMW F30 Standard Rear Brakes
- FCP Euro: BMW F30 M Sport Front Brakes
- FCP Euro: BMW F30 Suspension / Coilover Installation
- FCP Euro: BMW F30 Rear Control Arms
- FCP Euro: BMW F30 xDrive Front Axles
Specifications should still be checked against current BMW service information for the exact VIN and repair being performed.
