Buyer Research

2017 BMW 5 Series — Should You Buy One?

Typical asking price: $15,000–$24,000. There are 2 high-severity known issues you need to know before handing over a check.

Deciding between model years? Compare the 15 BMW 5 Series years we've written up →

Kestrel Take

First year of the G30, and a different car from the 2016 in every way that matters — new platform, new engines, new electronics — which is why the record reads nothing like the F10's coolant-pump pile-up. Thirty-eight complaints is a thin file, and thin means few people filed, not that the car is sound; we have not found an expensive recurring drivetrain fault in it, and that is a statement about 38 filings, not a promise. What is in there is oddly consistent: the passenger seat's occupancy mat fails, the car chimes at an empty seat and throws a restraint warning, and BMW quotes owners well over $2,000 to fix it. There is also a head airbag inflator recall on this exact year. Check both, drive the 540i if you can afford it, and budget for German electronics.

What we checked

Reconciled against public records, 2026-09-25

NHTSA holds 38 owner complaints for the 2017 BMW 5 Series, and 1 recall campaign.

A big number here usually means a lot of these were sold, not that it is a bad vehicle — popular models collect more complaints for the same rate of trouble. So the total on its own says little. What is worth reading is the shape of it. The largest single group is airbags at 24%. That is notable without being overwhelming — worth checking, not worth panicking about.

One recall campaign covers this model year. Recalls are repaired free, for any owner, with no time limit on most safety campaigns — but only if someone books it in. Ask the seller to show it was done, or have any dealer check the VIN; it takes them a couple of minutes and costs nothing.

Counts come from the NHTSA complaint and recall database — free, public, and worth checking yourself.

Known Issues for the 2017 BMW 5 Series

Ranked by wallet impact. These are documented, recurring problems — not freak accidents. How we decide that.

Head airbag inflators can be degraded by humidity (recall 20V243)High — wallet impact

Recall 20V243 names the 2017 530i, 530i xDrive, 540i and 540i xDrive directly: the driver and passenger head airbag inflators may have been exposed to too much moisture in manufacture, so in a serious crash the curtain airbag may not deploy properly, or the igniter can separate from the inflator. Dealers replace the affected head airbag free, and the campaign opened in June 2020. One owner in this file was in a collision where the airbags did not deploy. Nothing about this is visible from the driver's seat — the VIN lookup is the only way to know.

Repair cost: $0 with the recall — verify it was performed

Source: NHTSA complaints filed under airbags (9); 1 NHTSA recall campaign on this model year.

Passenger seat occupancy mat fails — endless chime and a restraint warningHigh — wallet impact

This is the signature fault of the year and it turns up in both the seat belt and airbag clusters. The pressure mat under the passenger seat cushion breaks down, so the car believes someone is sitting there: a loud seat belt chime that will not stop, a passenger restraint system warning on the dash, and the passenger airbag status becoming unreliable. Owners here were quoted $2,380 and $2,500 by BMW dealers, and several report that a BMW warranty extension exists but their VIN was excluded from it. Ask a BMW dealer what coverage this VIN carries rather than trusting the forums — and on the test drive, sit in the passenger seat, then get out and see whether the chime stops.

Repair cost (estimate): $1,800–$2,600 for the seat mat and coding at a dealer

Source: NHTSA complaints filed under seat belts (8).

Instrument cluster blackouts, backup camera dropouts and a sticking steering columnMedium

Six electrical complaints, no two quite alike, but every one of them is something you can test standing at the car. The digital instrument cluster shakes and goes fully black while driving, taking the speedometer with it. The reversing camera blanks out. The electrically adjustable steering column jams and will not move — one owner says BMW acknowledged it and offered a free fix under 50,000 miles, which is well behind most of these cars now. A driver's door actuator that would not let the door latch in cold weather rounds it out. Cycle the column, the camera and the display before you talk price.

Repair cost (estimate): $400–$2,200 depending on which module

Source: NHTSA complaints filed under electrics and electronics (6).

LED headlight housing connector can meltMedium

A small cluster, but an expensive one to discover after purchase. An owner reports the connection between the headlight housing and the daytime running light melted on the driver's side, with headlight fault codes stored, and the dealer's answer was a new housing and LED module — these are sealed assemblies, so there is no bulb to swap. Stand in front of the car in the dark with the lights on and look for a daytime running strip that is dimmer, patchy or a different shade from the other side, and check both units for fogging or heat discolouration around the connector.

Repair cost (estimate): $900–$2,400 per headlight assembly fitted and coded

Source: NHTSA complaints filed under the lights (3).

Oil filter housing gasket weeps on the four-cylinder 530iMedium

Not represented in this year's thin complaint file, and we would rather say that than let silence do the talking — the 2.0-litre four in the 530i uses an oil filter housing gasket that hardens with heat cycles and starts seeping, typically onto the belt and down towards the exhaust. It shows up as a burning oil smell at a stoplight long before anything appears on the driveway. Open the hood with a torch and look for a dark, dirt-caked band down one side of the block. Caught early it is a gasket; left alone it soaks the belt.

Repair cost (estimate): $500–$1,200 fitted

Source: not yet checked against public records.

Walk-Away Red Flags

✗Seat belt chime that keeps sounding with the passenger seat empty
✗Passenger restraint or airbag message on the dash
✗Digital instrument cluster that flickers, shakes or blanks during the test drive
✗Daytime running light dimmer or a different colour on one side
✗Electric steering column that will not move through its full travel

Good Signs

✓Recall 20V243 shown closed on the NHTSA VIN lookup for this car
✓A dated invoice for the passenger seat occupancy mat, done properly and coded
✓540i with the B58 straight-six — a newer design than the four and widely liked for its smoothness and its chain drive
✓Instrument cluster and reversing camera both crisp and steady through a full test drive
✓Service history from a BMW dealer or marque specialist with oil changes every 7,500 miles