F30 or G20: VIN checks, recalls, service history, timing, diesel, xDrive and 330e, with clear limits for each source.
Equipment and appearance do not tell a BMW’s whole story. Before paying a deposit, verify the VIN, F30/G20 generation and evidence of mileage, servicing and repairs.
Identity History evidence Where to find the VIN Photograph: credit and licenceCharles01 · CC BY-SA 4.0 · Resized and compressed as WebP; cropped for display.
Start with the vehicle number
Start with available technical details for free. The OBDAuto decoder does not provide accident, mileage, theft or service history.
Free checks and what a paid report may addHow to read a history reportRead the evidence, not just a verdict
Public carVertical demonstration screenshots, not reports purchased or cases investigated by OBDAuto. An example does not guarantee the same data for your car and does not replace an inspection.
carVertical · demonstration exampleRead the event type, date and estimate range. An assessment is not a paid invoice, and amounts should not automatically be added together.
Screenshot source: carVertical ↗ carVertical · demonstration exampleCompare the specifications with the documents and the actual car. This screenshot shows technical details, not a mileage timeline.
Screenshot source: carVertical ↗ Buying guide Editorial review: 22 October 2026Resolve any difference between vehicle markings, documents and the report before paying a deposit. An empty report does not confirm that the car has never been damaged.
Request a clear photo of the VIN on the car and the relevant documents, then arrange dates and mileage readings in order. Keep a budget for an independent inspection.
Use the VIN for identity, campaigns and available records. Establish engine, transmission and body condition through inspection and diagnostics before paying a deposit.
Your first check at the car
Illustrative windscreen photos from different vehicles. The exact position depends on make, model and market; these images are not model-specific instructions for every car in the guide.
Look from outside at the base of the windscreenWesha · Public domain · Resized and compressed as WebP; cropped for display.
GM example: the plate seen through the windscreenHans Haase · CC BY-SA 3.0 · Resized and compressed as WebP; cropped for display.
Some models show the VIN through the windscreen. A door-frame label or a stamped marking may be elsewhere; check the manufacturer’s manual for your model.
Compare the marking with the vehicle documents and report. Do not confuse an engine code or a part number with the VIN.
Do not scrape or alter markings. If a number is missing, hard to read or does not match, ask a specialist to verify the vehicle’s identity.
On a phone, scroll the table to see all columns.
1. What a VIN-based check can reveal| Check | What to look for | What it cannot prove |
|---|---|---|
| Identity and equipment | Compare the VIN and documented specification with the car. | A free decoder may have incomplete coverage; a missing field does not prove fraud. |
| BMW campaigns | Use the official VIN lookup and ask the dealer to confirm repair status. | A model-level campaign does not establish that this particular car is included. |
| Service and damage history | Request available records and invoices with dates, VIN and mileage. | The VIN alone does not provide access to every repair or accident. |
The ADAC F30 diesel report flags suspension, oil leaks and a timing-chain signal for selected registrations. These observations justify targeted checks, not a claim that every F30 has a failed chain. Do not automatically transfer them to G20.
Tick off completed checks. The list resets when you reload the page.
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The vehicle and document VINs match. Generation, engine and equipment are confirmed. I checked campaigns and service evidence. I have a timeline and diagnostic report. A cold-start check and independent inspection are complete. I have version-specific xDrive/330e checks and quotes.No. Available databases may reveal events, but unreported repairs can be missing. Physical inspection is still necessary.
Do F30 and G20 share the same timing-chain problems?The 3 Series name is not enough to generalise. Identify the engine and build date, then check documentation and the individual car.
Does OBDAuto's decoder provide a full history?No. It shows technical data available from its sources, not a replacement for service history, accident reports or an inspection.
Do you offer vehicle inspections, history reports or transport?
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