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1.3 TCe vs M50 and M52: which engine is more reliable?

According to our risk index, the 1.3 TCe carries less risk than the M50 and M52: 36/100 (moderate risk) versus 52/100 (high risk). The 1.3 TCe has 2 documented serious faults, the main one being «Turbo actuator (wastegate) fault»; the M50 and M52 has 2 documented serious faults, the main one being «Cooling system failure (expansion tank, thermostat, pump and radiator)».

Risk index

1.3 TCe

36

Moderate risk · 2 serious faults

Lower risk

Risk index

M50 and M52

52

High risk · 2 serious faults

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

16 sourcesHow we work

Is the 1.3 TCe reliable?

The 1.3 TCe / 1.3 DIG-T (H5Ht at Renault and Dacia, HR13DDT at Nissan, M282 at Mercedes-Benz), developed with Daimler since 2018, has a clearly better record than its predecessor, the 1.2 TCe: no oil consumption or chain problems have been documented. It had manufacturing defects that have since been corrected (injectors, calibration, turbo, timing) and, on the Captur II and Clio V, a fuel pump fuse failure with no confirmed official fix.[1][2][3]

See the 5 of the 1.3 TCe faults

Is the M50 and M52 reliable?

The M52 and its predecessor the M50 are six-cylinder petrol engines that the sources describe as durable: Enginescope considers 300,000 km routine with the cooling circuit looked after. Watch the plastic cooling parts, VANOS, crankcase ventilation and oil leaks and, in the aluminium-block M52s built from 1995 to March 1998, cylinder wear caused by sulphur (Nikasil).[4][5][6]

See the 5 of the M50 and M52 faults

Side-by-side comparison

Comparison of 1.3 TCe and M50 and M52
1.3 TCeM50 and M52
Technical data
TypeEngineEngine
FuelPetrolPetrol
Displacement1,332 cm³—
TimingChainChain
Power109–163 hp150–193 hp
Productionsince 2018[3][7][8][9]1990–2001[10][11][12][13]
Reliability
Risk index (what is it?)36Moderate risk52High risk
Documented faults55
Of high or critical severity22
Worst severityHigh severityCritical severity
Main faults
  1. High severity: Turbo actuator (wastegate) fault
  2. High severity: Blown fuel pump fuse
  3. Medium severity: Unstable idle, juddering and stalling caused by the injectors
  1. High severity: Cooling system failure (expansion tank, thermostat, pump and radiator)
  2. Critical severity: Premature cylinder wear (Nikasil coating)
  3. Medium severity: Worn VANOS seals
Most expensive documented repairup to €700Turbo actuator (wastegate) faultPublished figure[1][2]No reliable data
Which versions to buy
BuyRecommended versions
  • 1.3 TCe / 1.3 DIG-T 109-163 and Mild Hybrid (H5Ht / HR13DDT / M282, corrected production from 2020)[1]
None
With cautionVersions to be cautious about
  • 1.3 TCe / 1.3 DIG-T 109-163 (H5Ht / HR13DDT / M282, first series 2018-2020)[1]
  • M50B20, 2.0 litre (150 hp; 1990-1995)[14][15]
  • M50B25, 2.5 litre (192 hp; 1990-1995)[14][15]
  • M52B20, 2.0 litre (150 hp; 1994-1999)[11][14]
  • M52B25, 2.5 litre (170 hp; 1995-1999)[11][14]
  • M52B28, 2.8 litre (193 hp; 1995-1999)[11][14][16]
  • M52TUB20, 2.0 litre (150 hp; 1998-2001)[10][14]
  • M52TUB25, 2.5 litre (170 hp; 1998-2000)[10][14]
  • M52TUB28, 2.8 litre (193 hp; 1998-2001)[6][10][14]
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 1.3 TCe

With the M50 and M52

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. Renault-Dacia. Quel bilan fiabilité pour le moteur 1.3 TCe ?L'argus · Motoring press · published 5 April 2021 · consulted 27 September 2026 · in French
  2. Fiabilité moteur 1.3 TCeAuto Platinium · Other source · consulted 27 September 2026 · in French
  3. Moteur H Renault-NissanWikipedia (francés) · Other source · consulted 27 September 2026 · in French
  4. BMW 3 Series E36 320i (M52B20): reliabilityEnginescope · Other source · consulted 2 November 2026
  5. BMW M52 reliabilityAutoscore · Other source · consulted 2 November 2026
  6. BMW M52 Engine: Performance, Reliability, and TuningBMWBlog · Motoring press · consulted 2 November 2026
  7. Nissan HR engineWikipedia (inglés) · Other source · consulted 27 September 2026
  8. Mercedes-Benz M282 engineWikipedia (inglés) · Other source · consulted 27 September 2026
  9. Renault Scenic Zen TCe 103 kW (140 CV) GPF (2020-2021): precio y ficha técnicakm77 · Technical documentation · consulted 27 September 2026 · in Spanish
  10. BMW M52Wikipedia (inglés) · Other source · consulted 2 November 2026
  11. BMW M52Wikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  12. BMW M50Wikipedia (inglés) · Other source · consulted 2 November 2026
  13. BMW M50Wikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  14. BMW M50 / M52: problemas conocidosEnginescope · Other source · consulted 2 November 2026
  15. Der BMW M50 Motor: Technische Daten, Probleme, Haltbarkeit & FahrzeuglisteCarWiki.de · Other source · consulted 2 November 2026 · in German
  16. BMW Z3 Reliability Guide: Everything You Need to Know Before BuyingEuro Premium Parts · Technical documentation · consulted 2 November 2026