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1.6 dCi vs BMW N47: which engine is more reliable?

According to our risk index, the 1.6 dCi carries less risk than the BMW N47: 48/100 (moderate risk) versus 87/100 (very high risk). The 1.6 dCi has 2 documented serious faults, the main one being «Premature turbocharger failure or breakage»; the BMW N47 has 3 documented serious faults, the main one being «Rear timing chain stretch and breakage».

Risk index

1.6 dCi

48

Moderate risk · 2 serious faults

Lower risk

Risk index

BMW N47

87

Very high risk · 3 serious faults

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

22 sourcesHow we work

Is the 1.6 dCi reliable?

The 1.6 dCi (R9M) is a diesel with a generally reasonable track record, but with well-documented known faults: the turbo fails relatively often, even at low mileage, the EGR valve clogs, the particulate filter can block up on short journeys, and there are cases of oil leaks from the timing chain cover that go as far as requiring the engine to be removed.[1][2][3][4]

See the 5 of the 1.6 dCi faults

Is the BMW N47 reliable?

The BMW N47 (2007-2016, including its MINI derivatives N47C16/N47C20) is mechanically sound in the basics, but it carries a serious, well-documented design flaw: the rear timing chain wears or breaks prematurely on many units, especially those built between 2007 and 2009, with repairs from €1,500 to over €8,000 if the engine ends up damaged. Without a clear timing history, great caution is needed.[5][6][7][8]

See the 5 of the BMW N47 faults

Side-by-side comparison

Comparison of 1.6 dCi and BMW N47
1.6 dCiBMW N47
Technical data
TypeEngineEngine
FuelDieselDiesel
Displacement1,598 cm³1,995 cm³
TimingChainChain
Power95–165 hp90–218 hp
Production2011–2020[2][9][10][11][12]2007–2016[5][13][14][15]
Reliability
Risk index (what is it?)48Moderate risk87Very high risk
Documented faults55
Of high or critical severity23
Worst severityHigh severityCritical severity
Main faults
  1. High severity: Premature turbocharger failure or breakage
  2. High severity: Oil leak from the timing chain cover
  3. Medium severity: Blocked or failed EGR valve
  1. Critical severity: Rear timing chain stretch and breakage
  2. Critical severity: Broken intake manifold swirl flaps
  3. High severity: Turbo and wastegate valve failure
Most expensive documented repairup to €3,000Premature turbocharger failure or breakagePublished figure[16]up to €3,000Rear timing chain stretch and breakagePublished figure[17][18][19][20][21]
Which versions to buy
BuyRecommended versions
  • 1.6 dCi in Mercedes-Benz (OM 622/OM 626, 115 and 136 hp, 2014-2018)[10]
None
With cautionVersions to be cautious about
  • 1.6 dCi Euro 5 (110 and 130 hp, 2011-2015)[1][2]
  • 1.6 Energy dCi Euro 6 with NOx trap (130 and 160/165 hp, 2015-2019)[1][2][3][4][22]
  • 1.6 dCi for vans (95, 115, 125 and 145 hp, Trafic III/Vivaro B/Talento, 2014-2020)[12]
  • N47D20 116 hp (K0/K1, 2007-2014)[5][8]
  • N47D20 143 hp (U0/U1, 2007-2014)[5][8]
  • N47D20 177-184 hp (O0/O1, 2007-2014)[5][8]
  • N47D20 204-218 hp twin-turbo (2007-2014)[5][8]
  • N47C16 90-112 hp (MINI Cooper D, 2010-2016)[14]
  • N47C20 112-143 hp (MINI Cooper SD, 2011-2016)[15]
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

Other comparisons

With the 1.6 dCi

With the BMW N47

Compare other engines

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Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Fiabilité Renault Espace 5 : pannes et avisFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  2. Fiabilité Renault Kadjar : pannes et avisFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  3. Fiabilité Nissan Qashqai 2 : pannes et avisFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  4. Fiabilité Nissan X-Trail 3 : pannes et avisFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  5. BMW N47Wikipedia (inglés) · Other source · consulted 26 September 2026
  6. BMW's timing chain problem comes back to haunt carmakerThe Irish Times · General press · consulted 26 September 2026
  7. El problema de la cadena de distribución en los motores N47 de BMWSeis en Línea · Motoring press · consulted 26 September 2026 · in Spanish
  8. Fallo en la cadena de distribución BMW motores N47Arroyo Auto, Especialista BMW MINI · Technical documentation · consulted 26 September 2026 · in Spanish
  9. Nuevo Renault Energy dCi 130 CVCoches.net · Motoring press · consulted 27 September 2026 · in Spanish
  10. Mercedes-Benz OM 622 / OM 626Wikipedia · Other source · consulted 27 September 2026 · in German
  11. Renault EspaceWikipedia · Other source · consulted 27 September 2026 · in Spanish
  12. Renault TraficWikipedia · Other source · consulted 27 September 2026
  13. BMW N47D20 engine specifications, problems and reliabilityBimmerPulse · Technical documentation · consulted 26 September 2026
  14. N47C16A MotorMotorinsel · Technical documentation · consulted 26 September 2026
  15. N47C20A MotorMotorinsel · Technical documentation · consulted 26 September 2026
  16. Las 10 averías del coche más caras en 2026: cuánto cuesta cada reparaciónMotorpoint · Motoring press · published 2026 · consulted 27 September 2026 · in Spanish
  17. Motor N47 - precio cambio cadena BMWTaller Barcelona (Dasercars) · Technical documentation · consulted 26 September 2026 · in Spanish
  18. Precio sustitución cadenas motor N47 BMW MINIArroyo Auto, Especialista BMW MINI · Technical documentation · consulted 26 September 2026 · in Spanish
  19. Motor BMW N47 - Reparación EspecializadaDasercars · Technical documentation · consulted 26 September 2026 · in Spanish
  20. Rotura cadena distribución y rotura motor N47OCU · Consumer association · published 2 September 2021 · consulted 26 September 2026 · in Spanish
  21. Problema cadena BMW motor N47, qué hacer y solucionesRecomotor Blog · Motoring press · consulted 26 September 2026 · in Spanish
  22. Si no hubo fraude, ¿por qué 15.000 Renault Captur y Espace serán revisados por un nivel de emisiones excesivo?Diariomotor · Motoring press · published 19 January 2016 · consulted 27 September 2026 · in Spanish