2015 BMW X4 Problems: 6 Known Issues

2015 BMW X4 Problems: 6 Known Issues | Au7o

NHTSA Recalls22 recalls

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

BMW of North America, LLC (BMW) is recalling certain 2023 Toyota GR Supra, 3 Series Sedan (330i xDrive, M340i xDrive, M3), 5 Series Sedan (530i, 530i xDrive, M5), 4 Series Gran Coupe (430i, 430i xDrive), 4 Series Coupe (430i, 430i xDrive, M440i xDrive), 4 Series Convertible (430i, 430i xDrive, M440i xDrive), 8 Series Coupe (840i, M850i xDrive, M8), 8 Series Convertible (840i, M850i xDrive, M8), 8 Series Gran Coupe (850i xDrive, M8), X3 SAV (X3 xDrive30i, X3M), X4 SAV (X4 xDrive30i), X5 SAV (X5 xDrive40i, X5 M50i, X5M), X6 SAV (X6 xDrive40i, X6 M50i, X6M), and Z4 sDrive30i, Z4 M40i vehicles. The weld seam of the integrated transmission control unit's cover may not have been manufactured properly, which could allow automatic transmission oil to leak into the transmission control unit.

Campaign #23V82100006/12/2023

ELECTRICAL SYSTEM:STARTER ASSEMBLY

BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.

Campaign #26V05600030/01/2026

ELECTRICAL SYSTEM:STARTER ASSEMBLY

BMW of North America, LLC (BMW) is recalling certain 2023-2024 Toyota Supra, 2022-2025 2 Series Coupe, 2021-2023 5 Series, 2022-2026 Z4, 2023-2024 4 Series Gran Coupe, 4 Series Convertible, 4 Series Coupe, 3 Series, 2021-2025 X4, and 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine starter may overheat and catch fire due to wear on an internal component.

Campaign #26V43800008/07/2026

EXTERIOR LIGHTING

BMW of North America, LLC (BMW) is recalling certain 2022 X4 xDrive30i, X4 M40i, and X4M vehicles. The rear license plate may not be illuminated properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Campaign #21V83100022/10/2021

EQUIPMENT:OTHER:LABELS

BMW of North America, LLC (BMW) is recalling certain X4 xDrive30i vehicles. The tire label may contain the wrong tire size and pressure information. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

Campaign #21V64600018/08/2021

+ 17 more recalls. Check all on NHTSA.gov

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Frequently Asked Questions

What are the most common BMW X4 problems?

According to Au7o's analysis of 350+ owner reports, the 2015 BMW X4 has 6 documented issues. The most frequently reported are: Electric Water Pump Failure, 2015 X4 N20 Lower-Engine Whine Requires Timing-Chain Diagnosis, N20 Timing Chain Premature Failure - F26 X4 xDrive28i. Of these, 3 are rated critical and should be addressed promptly.

Is the BMW X4 reliable?

The 2015 BMW X4 has 6 known issues documented across 350+ owner reports. 3 issues are rated critical: Electric Water Pump Failure and 2015 X4 N20 Lower-Engine Whine Requires Timing-Chain Diagnosis and N20 Timing Chain Premature Failure - F26 X4 xDrive28i. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common BMW X4 problems?

Repair costs for known BMW X4 issues range from $400 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Electric Water Pump Failure, typically costs $600-$1,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2015-2023 BMW X4 Electric Water Pump Failure?

The X4 shares BMW electric water pump reliability issues common across the platform. The pump can fail without warning, causing rapid engine overheating. Failure is especially dangerous on highway drives where overheating can occur within minutes of pump failure. Repairs typically run $600-$1,500. Severity: high.

What is the 2015 BMW X4 2015 X4 N20 Lower-Engine Whine Requires Timing-Chain Diagnosis?

BMW SIB 11 03 17 identifies F26 X4 xDrive28i N20 vehicles produced from March 2014 through February 2015. A lower-engine whine that increases with engine speed can be associated with timing-chain or oil-pump-drive-chain wear; the bulletin does not declare every X4 or every N20 de… Severity: high.

What is the 2015-2016 BMW X4 N20 Timing Chain Premature Failure - F26 X4 xDrive28i?

The N20 2.0L turbocharged engine in 2015-2016 X4 xDrive28i models suffers from premature timing chain stretch and guide failure, typically between 40,000-80,000 miles. The single-row timing chain design is inadequate for the engine's power output. Chain stretch causes timing to j… Repairs typically run $3,000-$5,000. Severity: high.

What is the 2015-2023 BMW X4 Rear Differential Mount Bushing Failure?

The rear differential mounting bushings on the X4 degrade over time, causing clunking and vibration from the rear of the vehicle. The rubber bushings crack and collapse, allowing excessive differential movement. Common in models driven aggressively or on rough roads. Repairs typically run $400-$1,000. Severity: medium.

What is the 2015-2023 BMW X4 Transfer Case Actuator Motor Failure - All xDrive X4?

BMW xDrive (AWD) X4 models use an electronically-controlled transfer case that commonly experiences actuator motor failures between 60,000-100,000 miles. The transfer case actuator motor and internal clutch pack wear out from normal use. Symptoms include grinding noises, AWD malf… Repairs typically run $800-$4,000. Severity: medium.

What is the 2015-2023 BMW X4 Oil Leaks - Valve Cover & Oil Filter Housing - All Models?

BMW X4 models with N20, N55, B46, B48, and B58 engines commonly develop oil leaks from valve cover gaskets and oil filter housing gaskets. The plastic valve cover warps from heat cycles, causing gasket failure. The oil filter housing (integrated into engine block) also develops l… Repairs typically run $500-$1,400. Severity: low.

All 6 Known Issues

When Issues Typically Appear

2015 BMW X4: 2015 X4 N20 Lower-Engine Whine Requires Timing-Chain Diagnosis#

2015-2016 BMW X4: N20 Timing Chain Premature Failure - F26 X4 xDrive28i#

2015-2023 BMW X4: Oil Leaks - Valve Cover & Oil Filter Housing - All Models#

2015-2023 BMW X4: Electric Water Pump Failure#

2015-2023 BMW X4: Rear Differential Mount Bushing Failure#

2015-2023 BMW X4: Transfer Case Actuator Motor Failure - All xDrive X4#

Other BMW Models