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EnginePart report

2015 BMW 428I Engine Problems

Complaints
11about this part
Share
14%of 78 total for the year
Median mileage
26,850miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 11 complaints about the engine of the 2015 BMW 428I, 14% of the 78 complaints for this model year. Where a mileage was given, the median is 26,850 miles. 1 of these say a crash was involved and 2 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Bmw n20 engine deteriorates itself by a faulty timing chain system setup. Bmw has extended the limited warranty to 7 years 70k miles, but that is simply just not enough. My car, a 2015 428I, has symptoms of of the timing chain falling apart. Knocking sound, and very loud high pitch wine when driving. I have brought my car to the dealer and they say it's normal. When you look under the hood you can see the timing chain, it should not move at all. Mine moves up, down, left, and right, as well as the guide. Bmw needs to make this a recall. …”

NHTSA complaint #11320274, filed 2020-04, 68,000 miles

“I smelled a funny smell, and then the entire dash went black. A engine malfunction warning came on. I stopped right away, got out of the car just as it burst into flames. The entire incident happened in a matter of seconds.”

NHTSA complaint #10765109, filed 2015-09, 1,700 miles

“Bmw 428I shut off while driving on a busy freeway. I was barely able to glide to the side. Unable to re-start with the vehicle partially blocking the slow lane. After few minutes it started again”

NHTSA complaint #11269065, filed 2019-10, 10 miles

“Turbo lines leaking. My model vehicle is the same N20 engine components that were installed with the f30s in prior years. BMW had an in house recall for specific models and vins but did not include mine even though they were installed with the same issues that the previous models had. Now, the turbo lines are leaking, my car only has 85000. I shouldn’t have to pay over 3k for them to correct this.”

NHTSA complaint #11644984, filed 2025-02

“I was driving on the interstate and my 2015 BMW 428i suddenly went into neutral and almost got us killed. Mileage at 88k, no check engine light, rattling, or leaking of fluids and car had just been to my local shop for an oil change the week before. Towed to BWW dealership, as car was inoperable, and told the engine had seized.”

NHTSA complaint #11488925, filed 2022-10

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2016614%
20151114%
20141028%

Other parts of the 2015 BMW 428I

Electrical system
35 complaintsEngine cooling
26 complaintsOther or unknown
13 complaintsAir bags
7 complaintsBrakes
6 complaintsFuel system
5 complaintsBody and structure
4 complaintsTransmission and drivetrain
4 complaintsTires
3 complaintsVehicle speed control
3 complaintsSeat belts
2 complaintsSteering
2 complaints

← All problems reported for the 2015 BMW 428I

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology