Inspection checklist

BMW 3 Series M340i xDrive

Print it or open it on your phone before viewing the car. Tick every fault you find at the seller or the inspector.

Car mileage (km)

Enter the mileage and the faults common at that mileage are highlighted.

Known faults: tick the ones you find

Oil filter housing and expansion tank leak Severity: Medium What to look for: Oil or coolant loss, smell of oil. Usually appears at: 70,000 – 160,000 km · Estimated repair: 8,000 – 25,000 ₺
iDrive 7 software bugs Severity: Low What to look for: The screen reboots and wireless CarPlay won't connect. Usually appears at: At every mileage · Estimated repair: 0 – 3,000 ₺
Firm ride and cost of run-flat tires Severity: Low What to look for: Harsh jolts on rough roads, tyre noise. Usually appears at: At every mileage · Estimated repair: —

Have the authorised dealer check the chassis number; an open recall is normally repaired free of charge.

2026 · Starter motor replacement: BMW announced a global recall to replace the starter motor on about 575,000 vehicles built between July 2020 and July 2022 (3 Series including the G20). The scope in Turkey has not been confirmed from an official source; check with a BMW service centre using the chassis number.

Ask for the service book or invoices. These items should have been done on time:

Engine oil + oil filter (every 15,000 km / every 12 months)
Spark plugs (every 60,000 km / every 48 months)
Front and rear differential oil (every 80,000 km)
Gearbox oil + sump filter (every 100,000 km)
Brake fluid (every 24 months)

Start the engine cold: there should be no smoke, shaking or odd noises.
With the ignition on, all warning lights should flash once and then none should stay lit.
The brakes should not shudder, pull or squeal.
On a straight road the car should not drift when you loosen the wheel; there should be no thuds or creaks over bumps.
The air conditioning and all electrical equipment (windows, mirrors, multimedia) should work.
Gear changes should be smooth; there should be no judder or slipping when pulling away.
Turbo: there should be no blue or white smoke or unusual whistling when you accelerate.

Enter your mileage above and your yearly distance here; download an .ics file to add the next services to your phone calendar. Dates are estimates.