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EnginePart report

2015 BMW I8 Engine Problems

Complaints
2about this part
Share
40%of 5 total for the year
Median mileage
6,730miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine of the 2015 BMW I8, 40% of the 5 complaints for this model year. Where a mileage was given, the median is 6,730 miles.

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.

“When I dring in to street from parking lot, this vehicle do not speed up, it is stop , not moving at all for about 3 second than kick up fast. It happen some times not every day, I went to dealership for fix it like 4 time but they can not dupulicate the problem and check the system but it came out everything normal. But I have those problem like one every month specially when I'm driving low speed.”

NHTSA complaint #11004660, filed 2017-07, 10,860 miles

“The contact owns a 2015 Bmw I8. While driving 55 MPH, the vehicle stalled and a warning light indicated that there was extreme engine heat. The contact pulled the vehicle off the road and was able to restart it, but the failure recurred constantly. The vehicle was towed to a dealer where it was diagnosed, but the details of the failure were not provided. The vehicle was repaired, but the failure recurred. The manufacturer was made aware of the failure. The VIN was unknown. The failure mileage was 2,600.”

NHTSA complaint #10876098, filed 2016-06, 2,600 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2015240%

Other parts of the 2015 BMW I8

Electrical system
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsSeat belts
1 complaints

← All problems reported for the 2015 BMW I8

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