2018 BMW 330E Problems
- Complaints
- 7filed with NHTSA
- Median mileage
- 77,218miles, 4 complaints with mileage
- Recalls
- 3campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- 5 / 5stars overall, 3 rated versions
- EPA fuel economy
- 30 mpgcombined (gas only), 2.0L 4-cyl · plug-in hybrid RWD · 28 city / 34 hwy
Sources: NHTSA records for the 2018 BMW 330E (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 7 consumer complaints for the 2018 BMW 330E. The part named most often is electrical system, with 4 complaints (57% of the total), followed by engine (3) and brakes (1). 4 of the complaints include a mileage, and 25% of those were filed for vehicles with under 50,000 miles; the median is 77,218 miles. NHTSA lists 3 recall campaigns and 78 technical service bulletins for this model year. Electrical system complaints overlap with 2 recall campaigns covering the relay and 24 technical service bulletins filed under the same part. Engine complaints overlap with 6 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system4 57%
- Engine3 43%
- Brakes1 14%
- Engine cooling1 14%
- Fuel system1 14%
- Other or unknown1 14%
- Steering1 14%
Example complaints
Electrical system: “In May 2021 I purchased a 2018 Certified Pre-owned BMW 330e Plug-in Hybrid with 20K miles from the BMW dealership at Glendale, CA. My car is under original manufacture warranty to this day but I also have paid for an extra warranty and maintenance program. On December 26th, 2021, as I was driving back from Las Vegas on highway 15, about 40 miles into the trip, my car dash displayed an error message Charging Malfunction immediately after this error, the entire car systems INCLUDING BREAKS AND STEERING WHEEL! stopped working. …”
NHTSA complaint #11448905, filed 2022-01Engine: “Unknown - I returned from a work related trip out of the country, started my vehicle and coolant was pouring everywhere. BMW stated there's a recall coming out but have not seen one since the repair in April which was over a thousand USD.”
NHTSA complaint #11470503, filed 2022-06Engine cooling: “The contact owns a 2018 BMW 330E. The contact stated while driving at 60 MPH, the vehicle hesitated, stalled, and restarted independently. The vehicle was taken to a dealer where it was diagnosed that the starter needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign Number: 24V576000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING), however the VIN was not included in the recall. The failure mileage was 103,000.”
NHTSA complaint #11635124, filed 2025-01, 103,000 milesMileage when problems were reported
25% of the 4 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 55,000 and 99,436 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2018 BMW 330E. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| 3 Series · sedan AWD | ★★★★★ | 4 / 5 | 5 | 5 | 5 · 9.5% risk |
| 3 Series · wagon AWD | ★★★★★ | 4 / 5 | 5 | 5 | 5 · 9.5% risk |
| 3 Series · sedan RWD | ★★★★★ | 4 / 5 | 5 | 5 | 5 · 9.5% risk |
Driver aids listed by NHTSA for the 2018 model year: forward collision warning optional, lane departure warning optional, automatic emergency braking not available.
Neighbouring years: 2017: same overall rating. A redesign between years can change both the car and the test.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2018 BMW 330E version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving); plug-in hybrid figures are for gasoline-only (hybrid mode) driving, so no annual cost is shown.
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| 330e RWD | 2.0L 4-cyl · plug-in hybrid | 8-speed automatic | 28 | 34 | 30 gas only | — |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- Electrical system › Starter assembly › RelayCovers: BMW 330E 2016–2018, 530E 2018–2020, 740LE 2017–2019
BMW of North America, LLC (BMW) is recalling certain 2018-2020 530e xDrive, 2017-2019 740Le xDrive, 2018-2020 530e iPerformance, 2016-2018 330e iPerformance vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
- 18V652000Sep 20, 2018Equipment › ElectricalCovers: BMW 330E 2018, 530E 2018–2019, 740LE 2018–2019 +3 more
BMW of North America, LLC (BMW) is recalling certain 2018 BMW 330e iPerformance, i3 Rex, i3 Sport Rex, X5 xDrive40e, i3 BEV, i3 Sport BEV and 2019 i8 and i8 Roadster vehicles and 2018-2019 530e iPerformance, 530e xDrive iPerformance and 740Le xDrive…
- 18V465000Jul 11, 2018Engine and engine cooling › EngineCovers: BMW 330E 2018, 530I 2018, X1 2018 +17 more
BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a…
Recall details for the 2018 BMW 330E → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 78 on record; the latest 10 are shown.
- 11032733May 7, 2026Engine. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service /…
- 11024201Oct 1, 2025Engine. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service /…
- 11012073Dec 4, 2024Electrical system. the High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15…
- 11010767Nov 14, 2024Brakes. BMW of North America, LLC(BMW NA) is extending the limited warranty forthe vehicle’s Brake Servo Unit’s ElectricVacuum Pump assembly to: 15 years/150,000 miles as determined bythe vehicle’s original…
- 10249437Jan 16, 2024Visibility (wipers, defrost, mirrors), Electrical system. The basic conditions for initializing the power windows are not met.
- 10249027Jan 11, 2024Electrical system. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers…
- 10245364Nov 16, 2023Engine cooling. Diesel fuel injectors: ltd wty extension to 10 years/120,000 miles
- 10245365Nov 13, 2023Engine cooling. Pressure control valve (pcv) extended ltd wty 15 years/150,000 miles
- 10245367Nov 9, 2023Engine cooling. Check Control message (CCM) indicates: (ID 213): Stop, exercising due care. Voltage supply The Service Engine Soon light is on with the following DME Fault Code: 21B209 - Starter alternator / belt…
- 10238090May 1, 2023Electrical system. After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
Other model years of the BMW 330E
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2023 | 7 | — | 2 | — | 27 | — | Too new |
| 2018 | 7 | 77,218 | 3 | 5 | 30 | — | Not enough data |
| 2017 | 12 | 18,000 | 1 | 5 | 30 | — | Not enough data |
Frequently asked questions
How many NHTSA complaints does the 2018 BMW 330E have?
NHTSA recorded 7 consumer complaints for the 2018 BMW 330E as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2018 BMW 330E is reported most often?
Electrical system is named most often, in 4 complaints (57% of the total), followed by engine with 3.
Has the 2018 BMW 330E been recalled?
NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
How did the 2018 BMW 330E do in NHTSA crash tests?
NHTSA's 5-Star Safety Ratings give the 2018 BMW 330E 5 out of 5 stars overall, across 3 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.
What gas mileage does the 2018 BMW 330E get?
The EPA rates the 2018 BMW 330E (330e, 2.0L 4-cyl · plug-in hybrid) at 30 mpg combined, 28 city and 34 highway when running on gasoline in hybrid mode. Other engine and drive versions are rated differently.
At what mileage are problems with the 2018 BMW 330E reported?
Among the 4 complaints that include a mileage, the median is 77,218 miles and the middle half falls between 55,000 and 99,436 miles; 25% were filed for vehicles with under 50,000 miles.
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. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.