2018 BMW 330I: Recalls, Problems & MPG
Here are the deets on the 2018 BMW 330I: 1 recall, 32 owner complaints and up to 27 mpg combined.

Recalls
1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Engine & cooling Vehicle recall #18V465000 · 2018 · 5,309 vehicles
What's wrong: 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 vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xdrive, 230i m240i, m240i xdrive, x2 sdrive28i, x2 xdrive28i, x1 sdrive28i, x1 xdrive28i, 330i, 330i xdrive, 340i,…
Why it matters: A vehicle stall can increase the risk of a crash.
The fix: Bmw will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 3 mention a fire, 1 injuries and 0 deaths were reported.
What owners describe
- Engine (12): the most common themes are overheating (7), warning light on (3), leaks (3).
- Other / unknown (6): the most common themes are leaks (3).
- Fuel & propulsion (4): the most common themes are fire / smoke (2).
- Electrical (4): the most common themes are fire / smoke (3), warning light on (2).
The 2018 BMW 330I has 32 owner complaints, ranking #9 of 23 330I model years for complaints (about average; the typical year has 35). Complaints peaked in 2025 (8 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 36,500 miles. Neighboring years: 2017 (41 complaints, 0 recalls), 2019 (41 complaints, 9 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 24 | 34 | 27 | Premium |
| 2.0 L 4-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 21 | 32 | 25 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 BMW 330I.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
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FAQ
Does the 2018 BMW 330I have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 2018 BMW 330I. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 BMW 330I problems?
Owners have filed 32 complaints with NHTSA. The most-reported areas are engine (12), other / unknown (6), fuel & propulsion (4).
What gas mileage does the 2018 BMW 330I get?
EPA ratings run up to 27 mpg combined (2.0 L, Automatic (S8)), across 2 engine and transmission combos.
Where can I get a 2018 BMW 330I repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.