Bimmer Tracker
Every 2027 iX3 50 xDrive we can find in the US — 3,141 cars decoded from BMW’s own build sheets — the colors, wheels and packages buyers actually pick, and the real pace of Plant Debrecen. Wondering how long each build stage takes?
Paste your own VIN or production number into the app and it does this for your exact build, options included.
Roughly 375 iX3 per production day. VINs are stamped in build order, so each car's sequence number plotted against its factory date exposes the line speed — though individual cars do fall out of sequence, since numbers are assigned when an order is scheduled rather than when it is built. Almost nothing lands on the shaded weekend days, so the raw ~330/calendar-day figure understates output; across actual working days it's nearer 375. Output over a six-week window — read it as a floor, and it's plant-wide across all markets, not US-only.full sample
The line does not run on Sundays — we tested it directly. Saturday Aug 15 ended at sequence number 57,279; Monday Aug 17 ended at 57,680. Every car in between was built on one of those two days, so we probed all 286 of those sequence numbers we had never asked about. Sixteen came back as US cars built Monday. None were built Sunday. A second sweep of 1,000 random sequence numbers across the band built Aug 10–19 found 125 more dated cars: 120 on weekdays, 5 on a Saturday, and again zero on a Sunday. Pooled, that is 142 cars and not one Sunday build. If the plant ran Sundays even at the reduced rate we see on Saturdays, five of those cars should have landed there — seeing none is a one-in-160 result. At a normal weekday rate, which is what an added shift would mean, the odds are approximately one in seventeen trillion. The handful of Sunday-dated cars that do exist sit 1,400 to 9,300 sequence numbers behind the line, and the highest sequence number does not advance at all across a Sunday while weekdays move it 400–500 — the signature of a small crew finishing held-back cars, not of new ones being built.
Checked against BMW itself: the 50,000th car. On July 28 BMW announced that Plant Debrecen had built its 50,000th iX3. In this dataset, the cars flanking sequence number 50,000 — serials 49,973 and 50,004 — were built July 24–25, one working day before the press release. That confirms two things at once: the five-digit sequence number is the plant's lifetime odometer, counting every iX3 ever built from job one, and the build dates here are accurate to the day against BMW's own communications. It also frames the US program: American production began July 6 at sequence ~43,600, so everything below that is nine months of European-market ramp — and BMW says incoming orders are approaching 100,000, roughly ten weeks of production ahead of the ~62,000 sequence numbers assigned so far.
already have a buyer. The order sheet’s priority code says whether a car was sold to a customer (code 1) or ordered for the lot (code 3).
† Marked rows are inferred from package membership. BMW's build sheets only itemize some of what a package contains — the Technology Package lists Harman Kardon and nothing else — so the 3D Head-up Display and Iconic Glow exterior lighting show up on no build sheet despite being fitted to every car with that package. Their counts are the package's own take rate, not a per-car observation.