BMW · F10 · 2010-2014

BMW 5 Serisi 520d specs and common problems

One of the first cars that come to mind as an executive car in Turkey. On the pre-2014 N47 engine, rear timing chain stretch is the best-known and most expensive problem; regular oil changes are a must.

Engine code
N47D20
Engine oil · 5W-30
5.2 L
Timing
Chain
Original size
225/55 R17
LPG
No

01 / 07

How much oil does the 5 Serisi 520d take?

The 5 Serisi 520d takes about 5.2 litres of 5W-30 engine oil including the filter. Approval to look for on the bottle: BMW Longlife-04.

Engine oil
5W-30
With filter
5.2 L
Approval
BMW Longlife-04
Alternative
0W-30
ZF 8HP automatic
ZF Lifeguard 8 · ≈ 7.0 L (with sump change)
Coolant
BMW coolant (G48 equivalent) · ≈ 7.5 L
Brake fluid
DOT 4

02 / 07

Timing chain and maintenance

TimingChain

No replacement interval; replaced when stretch symptoms appear

The chain is at the back of the engine, so the engine has to come out to replace it; labour costs are high.

Oil change
The service indicator may allow up to 20,000 km; 10,000-15,000 km is recommended for the chain
Glow plug
4 pcs · When they fail
Valves / tappets
Hydraulic tappets.
Fuel filter
60,000 km
Power
184 hp @ 4,000 rpm
Torque
380 Nm @ 1,750 rpm
Displacement
1,995 cc
Fuel
Diesel · Variable geometry turbo, intercooler
Valvetrain
DOHC 16V
Injection
Common-rail direct injection
Transmission
8-speed automatic (ZF 8HP)
Emissions
Euro 5 (DPF)

03 / 07

Tyre size and pressure

Front / Rear
33/36 PSI
Full load
35/44 PSI
Original size
225/55 R17
Alternative sizes
245/45 R18 · 245/40 R19 (front) / 275/35 R19 (rear)
Bolt pattern (PCD)
5x120
Centre bore
72.6 mm
Wheel
8J x 17 ET30
Calculate speedometer error for a size change →

04 / 07

Is the 5 Serisi 520d suitable for LPG?

Not suitable, diesel engine
  • Classic LPG conversions are not done on diesel engines.

05 / 07

5 Serisi 520d common problems and fixes

  1. #01

    Rear timing chain stretch

    Critical Risk

    100,000-200,000 km

    Symptom:
    Whine or rattle from the gearbox end of the engine, especially at idle and when lifting off.
    Cause:
    Wear of the chain and guide material, long oil change intervals.
    Proper fix:
    The engine is removed and the chain kit, tensioner and guides are replaced. If the chain snaps, the engine is badly damaged.
  2. #02

    Swirl flaps and intake manifold sooting

    Medium Risk

    After 100,000 km

    Symptom:
    Loss of power, check engine light.
    Cause:
    EGR gases leaving soot in the manifold.
    Proper fix:
    Intake manifold cleaning or replacement.
  3. #03

    EGR cooler failure

    High Risk

    After 120,000 km

    Symptom:
    Coolant loss, white vapour from the exhaust.
    Cause:
    The EGR cooler cracking internally.
    Proper fix:
    The EGR cooler is replaced.

06 / 07

Common fault codes on the 5 Serisi 520d

07 / 07

Frequently asked questions

How much engine oil does the 5 Serisi 520d take?

The 5 Serisi 520d (N47D20) takes about 5.2 litres of engine oil including the filter. Recommended viscosity is 5W-30; look for the BMW Longlife-04 approval. Check the level on the dipstick after filling.

When should the timing chain on the 5 Serisi 520d be replaced?

This engine uses a timing chain. No replacement interval; replaced when stretch symptoms appear. The chain is at the back of the engine, so the engine has to come out to replace it; labour costs are high.

What tyre pressure should the 5 Serisi 520d run?

With the original 225/55 R17 tyres, 33 PSI front and 36 PSI rear are recommended at normal load, and 35 front / 44 rear at full load. The exact values are on the door pillar or fuel flap sticker.

Is the 5 Serisi 520d suitable for LPG?

Not suitable, diesel engine. Classic LPG conversions are not done on diesel engines.

What are the common problems of the 5 Serisi 520d?

The best-known problems are: Rear timing chain stretch, Swirl flaps and intake manifold sooting, EGR cooler failure. The symptoms and fix for each are explained on this page.

Other BMW models

Values are approximate and may vary by engine and VIN. Check against your service manual before doing any work. ·