A Infiniti M37 VIN opens with JN1 (Japan). Position 11, the plant, reads M; a 2013 M37 carries D in position 10. Decoding one also brings up 0 recall campaigns and 72 owner complaints from NHTSA.
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How to read a Infiniti M37 VIN
Here is a real 2013 Infiniti M37 VIN from our database, split into its parts:
VIN JN1BY1AR1DM603299 — decoded free on its own report page.
| Position | Section | What it tells you |
|---|---|---|
| 1–3 | WMI | World Manufacturer Identifier — country, manufacturer and vehicle type. |
| 4–8 | VDS | Vehicle Descriptor Section — body style, engine, restraint system, series. |
| 9 | Check digit | A calculated digit that validates the whole VIN. Wrong digit = wrong VIN. |
| 10 | Model year | One character for the model year. Letters skip I, O, Q, U and Z. |
| 11 | Plant | The assembly plant that built the car. |
| 12–17 | Serial | Sequential production number of this exact vehicle. |
Where Infiniti M37 VINs say the car was built
The first three characters are the World Manufacturer Identifier. Across 7 Infiniti M37 VINs we have on file, these are the codes that actually show up — and the plants behind them:
| WMI | Built in | Vehicle type | VINs on file | Share |
|---|---|---|---|---|
| JN1 | Japan | — | 7 |
Country and vehicle type come from the NHTSA manufacturer registry. Share is measured across VINs decoded on ForCar, not production volume.
Model-year codes for the Infiniti M37
Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years, which the Infiniti M37 has not yet outlived: its 3 years still map one-to-one. All 3 model years of the Infiniti M37, 2011 to 2013, with the character each one carries:
| Model year | VIN character (position 10) | Same character as |
|---|---|---|
| 2013 | D | — |
| 2012 | C | — |
| 2011 | B | — |
Body and engine characters we see on Infiniti M37 VINs
Positions 4–8 are the maker's own build code. Across 7 VINs the Infiniti M37 uses 4 different characters in positions 4, 5 and 8:
| Position | Characters seen on real VINs | Variety |
|---|---|---|
| 4 — body | B (100%) | 1 distinct |
| 5 — series | Y (100%) | 1 distinct |
| 8 — engine | P (71%) · R (29%) | 2 distinct |
What a decoded Infiniti M37 VIN gets you
Behind a Infiniti M37 VIN: 72 owner complaints and every recall campaign NHTSA has on record:
| Data | For this model | Source |
|---|---|---|
| Owner complaints | 72 filed | NHTSA |
| Fuel economy | 21 mpg combined (avg) | EPA |
| Crash-test ratings | 3 rated model years | NHTSA |
| Model years covered | 3 years | ForCar catalog |
Where to find the VIN on a Infiniti M37
A Infiniti M37 VIN normally opens with JN1; the full number sits in four places, and all four must match.
| Where | How to see it | Why it matters |
|---|---|---|
| Dashboard, driver side | Through the windshield, bottom corner | Easiest to check before you touch anything |
| Driver door jamb | Open the door, sticker on the pillar | Also lists tire pressures and build date |
| Under the hood | Firewall or strut tower plate | Survives a windshield replacement |
| Title and insurance | Paper documents | Must match the car — a mismatch means fraud or a swapped panel |
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Frequently asked questions
Is this Infiniti M37 VIN decoder free?
Yes, with no account. Besides the year, plant and build characters it shows the recalls and 72 owner complaints NHTSA holds on the Infiniti M37.
What year is my M37 by its VIN?
Read position 10: a 2013 M37 carries D, a 2012 M37 carries C, a 2011 M37 carries B.
Where was my M37 built?
Position 11 names the plant. Across 72 dated Infiniti M37 VINs it reads M 97%.
What does position 4 mean on a Infiniti M37 VIN?
It is part of the maker's own build code, so read it against this model, not a generic chart. On 7 Infiniti M37 VINs here, B is the most common character in position 4, on 100% of them.
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