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BMW 5 Series 520d Touring Business Line common faults.

2007–2010, estate, diesel, 177 HP.

The fault list covers: N47D20 engine, GS6 transmission.

What you save stays on this device only. My saves

3 fault write-ups. All are important. 7 recalls.

If you know the year, pick it. Faults for other years drop out of the list.

Before you buy

Known faults

3 important faults

The high pressure pump of these common rail diesels (Bosch CP4) can fail while driving. The characteristic course is not gradual: a "Drivetrain fault" message appears on the dash, and within a few seconds the power is gone, on the motorway too. Afterwards the engine often cranks but will not start.

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What makes the repair expensive: once the inside of the pump wears, metal debris travels through the rail and contaminates the entire fuel system. At that point replacing the pump is not enough: the injectors, the rails, the tank and the lines go with it. That is the difference between a "pump replacement" and a "full system replacement" quote, that is what you should ask about.

The maker started a recall for this in the United States (NHTSA 21V586000, 2014 to 2018 328d / X5 xDrive35d / 535d / 740Ld / X3 xDrive28d). The same campaign did not run in Europe, even though the same pump works in the 320d/520d/X3 20d versions that are common right across Europe. The recall does not cover these cars.

between 79,000 and 248,000 km

What to check

  • Ask whether there has ever been a "Drivetrain fault" message or a loss of power while driving
  • Ask for the service history: if the high pressure pump was replaced, check whether the injectors and the lines were replaced with it. If not, the debris may still be in the system
  • After a cold start listen to the engine at idle: irregular running or smoke is suspect
3 more steps in the write-up

In these diesels BMW put the timing chain at the back of the engine, on the gearbox side. The chain, the guides and the tensioner wear early. The symptom is a metallic rattle on a cold start that quietens once warm.

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The engine or the gearbox has to come out for the replacement, so the labour is a multiple of the parts cost. If the chain breaks or jumps, the engine is badly damaged inside, and the repair is an engine rebuild.

The problem is worst on engines built between March 2007 and March 2011, and the ones before early 2009 are the worst of all. The maker handled it under a service campaign in several European markets, but in the United Kingdom there was no formal recall. "It was never recalled" does not mean the chain is fine.

According to the German technical press the fault affects the whole N47 series and every power output, inspection is advised from 100,000 km, and factory revisions closed the matter around 2013, so cars built after 2013 are in a significantly better position. Stretching is typically preceded by a distinct rattle.

between 100,000 and 200,000 km

What to check

  • Insist on a cold start: the car should stand overnight, and the seller must not start it before you arrive
  • At the moment of starting, stand behind the engine (on the gearbox side) and listen to the first 3 to 5 seconds
  • A metallic rattle from the back of the engine calls for immediate expert inspection: this is not "diesel noise"
2 more steps in the write-up

The internal fins of the exhaust gas recirculation cooler crack over time, and glycol coolant leaks into the intake, where it mixes with soot. The sticky mixture can ignite at high temperature: it can melt the plastic intake manifold and, in extreme cases, cause an engine bay fire.

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The maker recalled the 2013 to 2018 four and six cylinder diesels, roughly 800,000 cars worldwide. The first repair attempt proved insufficient, and the leak returned in several cases: the cooler fitted since 2022, from a different supplier, is the valid fix.

So "the recall was carried out" is not enough on its own: you have to check when, and which repair was done. A first round repair does not by itself rule the problem out.

The early symptoms are white, sweet smelling exhaust smoke, slowly dropping coolant, and a rough idle.

It shows up on diesels built between 2013 and 2018. The earlier M57 is not covered by the recall.

between 108,000 and 222,000 km

What to check

  • Check the level in the expansion tank, and ask whether it has needed topping up
  • After a cold start watch the exhaust: persistent white smoke and a sweet smell mean the coolant is burning
  • Ask for the service book and find the EGR cooler recall entry: Check the date too
2 more steps in the write-up

Checklist

BMW 5 Series 520d Touring Business Line

First what you would check on any car. Then the faults of this model.

Before you buy

Checklist

The printed sheet starts with what you would check on any car. What you tick stays on this device only.

On every car

Ask the owner

vinkodex.com · Before you buy it, see what can go wrong.

Official recall7 recallsShow

The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done.

Most recent: 19 November 2025

SR/00581/26Safety recallInjuries19 November 2025 · EU Safety Gate

The chemical substances in the inflators of the TAKATA PSDI4 airbags may deteriorate over time, particularly in warm, humid climates. This could cause the airbag to rupture with too much force in the event of an accident, which could lead to serious or even fatal injuries in the worst-case scenario. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Request to stop driving Date of entry into force: 19/11/2025 Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: 31/10/2025

We could not check this: model year. The authority's notice

A12/00017/19Safety recallInjuriesno date · EU Safety Gate

The gas generator on the driver side airbag could burst in the event of airbag activation if it had been exposed to high air humidity, high temperatures and considerable temperature fluctuations over several years. This could result in metal parts being discharged, increasing the risk of injury of the vehicle occupants. No information

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

We could not check this: model year. The authority's notice

A12/0202/17Safety recallInjuriesno date · EU Safety Gate

The universal joint of the drive shaft might break, causing a sudden loss of propulsion.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

We could not check this: model year. The authority's notice

A12/02573/24Safety recallInjuriesno date · EU Safety Gate

The propellant in the driver airbag may deteriorate over time. If the airbags deploy, it could result in fragments from the inflator injuring the vehicle's occupants. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

We could not check this: model year. The authority's notice

A12/0266/17Safety recallInjuriesno date · EU Safety Gate

If the driver's airbag is deployed, the inflator might burst if it was subject to high air humidity, high temperatures and substantial temperature fluctuations over a number of years. This may result in the ejection of metal parts, which could cause injury or death to the driver and the passengers.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

We could not check this: model year. The authority's notice

A12/0484/19Safety recallInjuriesno date · EU Safety Gate

Owing to retrofitting of the steering wheel, certain vehicles may be equipped with a driver airbag that has a gas generator which could burst in the event of airbag activation if it has been exposed to moisture and heat cycles over time. This may result in metal parts being discharged, which could lead to injury or death of the vehicle occupants.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

We could not check this: model year. The authority's notice

A12/1067/19Safety recallFireno date · EU Safety Gate

The battery positive (B+) transfer point in the boot may corrode. This can result in increased contact resistance, potentially leading to malfunction of the power supply and increased risk of fire.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

We could not check this: model year. The authority's notice

Engine and transmission

N47D20 · 2.0d/xDrive20d

160 kW (218 HP) · diesel

Model year2007–

GS6 · 6-speed manual, longitudinal (Getrag GS6)

manual · 6 speed

Torque limit450 Nm
MakerGetrag

We built the code from the model and the gear count. The factory sheet does not state it.

Variant data

What is in this version

Factory data

Trim
520d Touring Business Line
Body
estate
Fuel
diesel
Transmission
manual
Engine size
1995 cc
Power
130 kW (177 HP)
Drive
RWD
Production
2007–2010

Factory service interval

The manufacturer specifies this for this version. Of the mileage and the time, the one that comes first is the one that counts.

  • Air filter

    • 60,000 km or 4 years
  • Cabin (pollen) filter

    • 30,000 km or 2 years
  • Brake fluid change

    • first: 3 years, then 2 years(first change at 3 years, then every two years)
  • Engine oil and oil filter (BMW condition-based service)

    • LongLife25,000 km or 2 years
  • Fuel filter, diesel

    • 60,000 km or 2 years

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms