2013–2015
TYPICAL 40k–120k MI
$1,500–$5,000
N20 timing chain & oil pump drive failure
Four-cylinder xDrive28i models use the same N20 engine and chain-guide weakness as the 328i. Listen for whine or rattle from the engine, especially at cold start. No chain-service records on a higher-mileage example means budgeting for the job.
BEFORE YOU BUY
Ask for repair records covering this item. If it hasn't been addressed and the car is in or near the mileage window, price the $1,500–$5,000 repair into your offer — or make it the seller's problem.
Ask for repair records covering this item. If it hasn't been addressed and the car is in or near the mileage window, price the $1,500–$5,000 repair into your offer — or make it the seller's problem.