INFINITI M, Y51 (EU)

Coolant capacity & service interval

INFINITI M, Y51 (EU) coolant capacity ranges from 0,5 to 12,6 liters. Service intervals include checks at 15000 km or 12 months and 20000 km or 12 months, with changes at 60000 km or 36 months, 60000 km or 48 months, 80000 km or 48 months, and 90000 km or 60 months. The data covers 16 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
M35h (2012-2014)
  • Use: Normal
  • Capacity 0,8 liter (Reservoir)
  • Capacity 9,2 liter (Total)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
M35h (2012-2014)
  • Use: First change only
  • Capacity 0,8 liter (Reservoir)
  • Capacity 9,2 liter (Total)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months
  • M35h (2012-2014)
  • Inverter
  • Use: Normal
  • Capacity 2,6-2,7 liter
  • Capacity 0,5 liter (Reservoir)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
  • M35h (2012-2014)
  • Inverter
  • Use: First change only
  • Capacity 2,6-2,7 liter
  • Capacity 0,5 liter (Reservoir)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months
M37 (2012-2014)
  • Use: Normal
  • Capacity 0,8 liter (Reservoir)
  • Capacity 8,4-8,5 liter (Total)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
M37 (2012-2014)
  • Use: First change only
  • Capacity 0,8 liter (Reservoir)
  • Capacity 8,4-8,5 liter (Total)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months
M30d (2011-2014)
  • Use: Normal
  • Capacity 0,8 liter (Reservoir)
  • Capacity 12,6 liter (Total)
  • Check 20000 km/ 12 months
  • Change 60000 km/ 36 months
M30d (2011-2014)
  • Use: First change only
  • Capacity 0,8 liter (Reservoir)
  • Capacity 12,6 liter (Total)
  • Check 20000 km/ 12 months
  • Change 80000 km/ 48 months
M35h (2011-2012)
  • Use: Normal
  • Capacity 0,8 liter (Reservoir)
  • Capacity 9,2 liter (Total)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
M35h (2011-2012)
  • Use: First change only
  • Capacity 0,8 liter (Reservoir)
  • Capacity 9,2 liter (Total)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months
  • M35h (2011-2012)
  • Inverter
  • Use: Normal
  • Capacity 2,6-2,7 liter
  • Capacity 0,5 liter (Reservoir)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
  • M35h (2011-2012)
  • Inverter
  • Use: First change only
  • Capacity 2,6-2,7 liter
  • Capacity 0,5 liter (Reservoir)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months
M30d (2010-2011)
  • Use: Normal
  • Capacity 0,8 liter (Reservoir)
  • Capacity 12,6 liter (Total)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
M30d (2010-2011)
  • Use: First change only
  • Capacity 0,8 liter (Reservoir)
  • Capacity 12,6 liter (Total)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months
M37 (2010-2012)
  • Use: Normal
  • Capacity 0,8 liter (Reservoir)
  • Capacity 8,4-8,5 liter (Total)
  • Check 15000 km/ 12 months
  • Change 60000 km/ 48 months
M37 (2010-2012)
  • Use: First change only
  • Capacity 0,8 liter (Reservoir)
  • Capacity 8,4-8,5 liter (Total)
  • Check 15000 km/ 12 months
  • Change 90000 km/ 60 months

Additional Notes

  • The INFINITI M Y51 (EU) M30d carries the largest total cooling system capacity across all variants at 12.6 liters, reflecting the greater thermal mass typically associated with diesel engines and their larger cooling circuit requirements compared to petrol counterparts in the same lineup.
  • The M35h hybrid variant splits its cooling into two separate circuits. The main engine cooling system holds 9.2 liters total with a 0.8-liter reservoir, while the inverter cooling circuit holds a notably smaller 2.6-2.7 liters with a dedicated 0.5-liter reservoir, consistent with the separate thermal management demands of hybrid power electronics.
  • The M37 total cooling system capacity of 8.4-8.5 liters is expressed as a range rather than a fixed value, which typically reflects minor assembly or configuration tolerances across production units rather than a distinct variant difference.
  • Across the M30d, M35h, and M37, the reservoir capacity is consistently 0.8 liters for the main engine cooling circuit, with the sole exception being the M35h inverter circuit, which uses a smaller 0.5-liter reservoir suited to its lower total volume.
  • The M30d covering model years 2011-2014 carries a more frequent check interval of 20,000 km or 12 months compared to the 15,000 km or 12 months interval specified for the 2010-2011 M30d, indicating a revised service schedule applied to the later production period of the same engine variant.
  • For the M30d 2010-2011 under normal use conditions, the coolant change interval is set at 60,000 km or 48 months. Under the first change only condition, the interval extends to 90,000 km or 60 months, reflecting a longer-life coolant formulation used at the factory fill stage.
  • The M30d 2011-2014 under normal use specifies a change interval of 60,000 km or 36 months, which is a shorter time-based interval than the 48-month period listed for the 2010-2011 M30d under the same use condition, despite the same distance threshold.
  • For the M30d 2011-2014 under the first change only condition, the change interval is 80,000 km or 48 months, which is shorter in both distance and time than the 90,000 km or 60-month first-change interval specified for the 2010-2011 M30d.
  • The M35h and M37 variants share the same normal use change interval of 60,000 km or 48 months and the same first change only interval of 90,000 km or 60 months, aligning with the 2010-2011 M30d schedule rather than the revised intervals introduced for the later M30d production period.

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