Reference Library

BMW Technical Index

Complete technical reference for BMW engines. Oil capacities, service schedules, timing chain information, emissions systems and more — all in one place.

45+ Technical Articles
BMW engine technical reference library index
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45+ Technical Articles

The complete BMW technical reference library: Engine specifications, oil capacities, service schedules, timing chain information, emissions systems and more. All data verified against proprietary and third-party sources.

Engine Specifications

Oil capacities, grades, and timing chain or belt information for each BMW engine family.

B47 Oil Capacity →

4-cylinder diesel. Capacity, grade, JLR spec equivalent.

B58 Oil Capacity →

6-cylinder petrol. Capacity, grade, service interval.

M47 Oil Capacity →

4-cylinder diesel. Capacity and grade.

M57 Oil Capacity →

6-cylinder diesel. Capacity, grade, common mistakes.

N20 Oil Capacity →

4-cylinder petrol. Capacity, grade, timing chain context.

N47 Oil Capacity →

4-cylinder diesel. Capacity and grade reference.

N54 Oil Capacity →

6-cylinder twin-turbo petrol. Capacity and grade.

N55 Oil Capacity →

6-cylinder single-turbo petrol. Capacity and grade.

N57 Oil Capacity →

6-cylinder diesel. Capacity, grade, triple-turbo variant note.

N62 Oil Capacity →

V8 petrol. Capacity and grade.

N63 Oil Capacity →

V8 hot-vee petrol. Capacity, grade, consumption context.

S55 Oil Capacity →

M3/M4 twin-turbo. Capacity and grade.

S63 Oil Capacity →

M5/M6/X5M V8. Capacity and grade.

Coolant Specification →

BMW coolant types, mixing, and change intervals.

Service & Maintenance

Service schedules, oil capacities, and maintenance information for BMW models.

1 Series Service Schedule →

E8x, F2x, F4x, G4x service intervals.

2 Series Service Schedule →

F2x, F4x, G4x service intervals.

3 Series Service Schedule →

E9x, F3x, G2x service intervals.

4 Series Service Schedule →

F3x, G2x service intervals.

5 Series Service Schedule →

E6x, F1x, G3x service intervals.

6 Series Service Schedule →

E6x, F0x, G3x service intervals.

7 Series Service Schedule →

E6x, F0x, G1x service intervals.

8 Series Service Schedule →

G1x, G1x service intervals.

X1 Service Schedule →

E84, F48, U11 service intervals.

X2 Service Schedule →

F39, U10 service intervals.

X3 Service Schedule →

E83, F25, G01, G45 service intervals.

X4 Service Schedule →

F26, G02 service intervals.

X5 Service Schedule →

E53, E70, F15, G05 service intervals.

X6 Service Schedule →

E71, F16, G06 service intervals.

X7 Service Schedule →

G07 service intervals.

Timing Chain & Belt

Chain or belt? Key reference for each BMW engine family.

B47 Timing Chain or Belt? →

Chain, no scheduled replacement interval.

B58 Timing Chain or Belt? →

Chain, robust design.

M47 Timing Chain or Belt? →

Chain.

M57 Timing Chain or Belt? →

Chain.

N20 Timing Chain or Belt? →

Chain — known tensioner issues on early builds.

N47 Timing Chain or Belt? →

Chain — rear-mounted, known stretch risk.

N54 Timing Chain or Belt? →

Chain.

N55 Timing Chain or Belt? →

Chain.

N57 Timing Chain or Belt? →

Chain — rear-mounted.

N62 Timing Chain or Belt? →

Chain.

N63 Timing Chain or Belt? →

Chain — hot-vee design.

S55 Timing Chain or Belt? →

Chain.

S63 Timing Chain or Belt? →

Chain.

Emissions & Systems

DPF, EGR, AdBlue and emissions system reference.

DPF & Emissions Explained →

How the diesel particulate filter works, and what kills it.

General Reference

Engine code decoding, torque specs, VANOS, and more.

Engine Code Decoder →

What each BMW engine code actually means.

Engine Number Location →

Where to find the engine number on BMW engines.

Torque Specifications →

Key torque settings for BMW engines.

VANOS System Explained →

How BMW's variable valve timing system works.

Glow Plug Reference →

Glow plug types and replacement intervals.

All Model Service Schedules

Complete list of BMW service schedules by model.

1 Series
2 Series
3 Series
4 Series
5 Series
6 Series
7 Series
8 Series
X1
X2
X3
X4
X5
X6
X7
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Need help finding the right technical data for your BMW?

Use our free VIN decoder or compatibility checker to get the right spec for your car.

VIN Decoder Tool Engine Compatibility Checker