The 2019 BMW 330i with the B48 2.0L turbo four is a solid platform overall, but early B48 engines (pre-2020 production) have a documented history of catastrophic bearing and piston failures requiring full rebuilds. Later production years saw improvements, but if you're shopping 2019s, verify engine replacement history or budget for worst-case scenarios.
B48 Engine Bearing and Piston Failure (Early Production)
Occasional · high severity
Typical onset: 30,000-70,000 mi
Symptoms: Metallic knocking or ticking from bottom-end at idle, Loss of oil pressure warning, Metal shavings in oil during change, Sudden catastrophic failure with no warning in some cases
Fix: Complete engine rebuild or short-block replacement required. 20-30 labor hours for removal, rebuild/replace, reinstall. Early B48s had issues with bearing clearances and oil starvation on cylinder 2 and 3, leading to spun bearings or cracked ringlands. BMW extended warranty coverage for some VINs but not all 2019s qualify.
Estimated cost: $8,000-15,000
Transmission Oil Cooler Line Leaks
Common · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: Transmission fluid spots under vehicle near front-center, Low transmission fluid warning on iDrive, Burnt transmission fluid smell, Harsh or delayed shifts if fluid level drops significantly
Fix: ZF 8-speed's external oil cooler lines develop leaks at crimp fittings or O-ring connections. Replace cooler lines and top off fluid. 2-3 labor hours. Not catastrophic but can lead to transmission damage if ignored.
Estimated cost: $600-1,200
Transmission Mount Failure
Common · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunking when shifting from Park to Drive or Reverse, Vibration felt through center console at idle, Excessive driveline movement during hard acceleration
Fix: The rear transmission mount (rubber isolator) deteriorates and tears. Replace mount. 1.5-2 labor hours. Straightforward job but requires lifting vehicle and supporting trans.
Estimated cost: $400-700
High-Pressure Fuel Pump (HPFP) Failure
Occasional · high severity
Typical onset: 40,000-80,000 mi
Symptoms: Long crank / hard starting when engine is hot, Rough idle or misfires under load, Fuel system pressure fault codes (P0087, P0191), Limp mode activation
Fix: HPFP driven off exhaust cam can fail internally (seals, plunger wear). Replace pump and check cam lobe for scoring. 3-4 labor hours. B48 uses updated pump vs. N20 but still sees failures.
Estimated cost: $1,200-2,000
Coolant Thermostat Housing Leaks
Occasional · medium severity
Typical onset: 70,000-110,000 mi
Symptoms: Coolant odor in cabin or under hood, Coolant level dropping gradually, Visible coolant seepage at thermostat housing (front of engine), Overheating if leak becomes severe
Fix: Plastic thermostat housing develops cracks or O-ring seals fail. Replace housing assembly, thermostat, and coolant. 2-3 labor hours. Use OE or equivalent quality parts—aftermarket plastic housings crack faster.
Estimated cost: $600-1,000
Backup Camera Failure (NHTSA Recall)
Occasional · low severity
Symptoms: No image when shifting into Reverse, Intermittent black screen or distorted image, iDrive shows 'Camera currently unavailable' message
Fix: Multiple recalls for backup camera issues (software and hardware). Dealer reflash or camera module replacement under recall. 1 labor hour at dealer, typically no cost if recall applies.
Estimated cost: $0 (recall) or $800-1,200 out-of-pocket
Owner tips
Check engine build date (not just model year)—post-July 2019 B48 engines had revised bearings and are less prone to catastrophic failure
Always use BMW LL-01FE spec oil (0W-20 or 5W-30) and keep oil changes under 7,500 mi intervals to protect turbo and bearing surfaces
Verify all recalls completed—especially backup camera and starter relay recalls—before purchase
Budget $1,500/year for maintenance beyond oil/filters: these cars nickel-and-dime on coolant hoses, motor mounts, and sensor failures
Buy a late-2019 build or 2020+ if possible—early B48 engines are a gamble, but the platform itself is excellent if you avoid the grenade motors and stay on top of fluid leaks.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: AGM battery required for start-stop system; located in trunk on right side; requires registration/programming when replaced
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Control Modules — 2019 BMW 330i
Every control module on the 2018-2021 BMW 330i — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
Consequence: A short circuit in the starter relay may increase the risk of a fire.
Remedy: Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov November 14, 2025.
SEAT BELTS · 23V584000
2023-08-16
BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles. The receiver audio module control unit software may fail to properly generate audible seat belt warnings to the driver to fasten their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
Consequence: An audible chime that does not properly alert the driver to fasten their seat belt increases the risk of injury in a crash.
Remedy: Dealers will update the receiver audio module software, free of charge. Owner notification letters were mailed October 12, 2023. Owners may contact BMW customer service at 1-800-525-7417.
SEATS · 23V211000
2023-03-29
BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.
Consequence: An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
Remedy: Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 21V096000
2021-02-19
BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles.
When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Consequence: If the driver relies on only the rearview camera image, the missing or reduced rearview image view can increase the risk of a crash or injury.
Remedy: BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417.
STEERING:LINKAGES:TIE ROD ASSEMBLY · 20V355000
2020-06-15
BMW of North America, LLC (BMW) is recalling certain 2019 Z4 sDrive30i, 2019-2020 330i xDrive, M340i and M340i xDrive, 2020 X3M and X4M, and Toyota Supra vehicles. In certain driving conditions, such as high temperatures and rough road surfaces, a steering gear tie rod may become damaged, possibly resulting in a fractured tie rod.
Consequence: A damaged or fractured tie rod may affect vehicle handling and control, increasing the risk of a crash.
Remedy: BMW and Toyota will notify owners, and dealers will replace the steering gear tie rods, free of charge. The recall began August 14, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.
SEAT BELTS:PRETENSIONER · 19V912000
2019-12-20
BMW of North America, LLC (BMW) is recalling certain 2019-2020 330i and 330i xDrive vehicles. The outboard rear seat belt pretensioners may not lock as intended during a crash.
Consequence: In the event of a crash, if the seat belt pretensioners fail to lock, there is an increased risk of injury.
Remedy: BMW will notify owners, and dealers will replace the rear seat belts, free of charge. The recall is expected to begin February 10, 2020. Owners may contact BMW customer at 1-800-525-7417.
ENGINE · 19V732000
2019-10-15
BMW of North America, LLC (BMW) is recalling certain 2019-2020 330i, 330i xDrive, and 2019 Z4 vehicles. The needle roller bearings of the counterbalance shafts may have been improperly installed, potentially causing the counterbalance shaft to loosen.
Consequence: If the counterbalance shaft loosens, severe engine damage could occur, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will replace the engine, free of charge. The recall began December 13, 2019. Owners may contact BMW customer service at 1-800-525-7417.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 19V684000
2019-09-27
BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50i, 330i, 330i xDrive, M340i, M340i xDrive, Z4 sDrive, Z4 M40i, 740Le xDrive and 745Le xDrive, 2018-2019 640i xDrive Gran Turismo and Rolls-Royce Phantom, 2019 M850i xDrive Gran Coupe and Rolls-Royce Cullinan and 2020 Toyota Supra vehicles.
The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."
Consequence: The lack of an image in the back-up camera display increases the risk of a crash.
Remedy: BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at 1-800-525-7417 or Rolls-Royce at 1-877-877-3735. Toyota owners may contact Toyota customer service at 1-888-270-9371.
AIR BAGS:KNEE BOLSTER · 19V352000
2019-05-09
BMW of North America, LLC (BMW) is recalling certain 2019-2020 230i, 230i xDrive, M240i, M240i xDrive, M2 Competition Coupe, 430i, 430i xDrive, 440i, 440i xDrive, M4, and 2019 330i xDrive Sportswagon vehicles. The driver and passenger knee air bag assemblies may have been improperly folded and assembled.
Consequence: An improperly folded and assembled air bag may not deploy as intended, increasing risk of injury.
Remedy: BMW will notify owners, and dealers will replace the knee air bag modules, free of charge. The recall began July 8, 2019. Owners may contact BMW customer service at 1-800-525-7417.
Vehicle Info — 2019 BMW 330i
Performance
Horsepower
255hp
Torque
295lb-ft
0–60 mph
5.3sec
Quarter mile
13.9sec
Top speed
155mph
Fuel economy (EPA)
City
25mpg
Highway
34mpg
Combined
28mpg
Fuel
Premium Gasoline
Capability & size
Curb weight
3,582lb
Seating
5seats
EPA class
Compact Cars
Wiper blades
F30 generation (2012-2019). Uses BMW push-button attachment style.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2019 BMW 330i 2.0L I4 Turbo B48 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.