2017-2024 BMW M240i Problems: 4 Issues Every Owner Should Know

2017-2024 BMW M240i Problems: 4 Issues Every Owner Should Know | Au7o

NHTSA Recalls5 recalls

AIR BAGS:SIDE/WINDOW

BMW of North America, LLC (BMW) is recalling certain 2023 2 Series Coupe (230i, 230i XDrive, M240i, M240i xDrive) vehicles. The second-row seat backrest cover panels for the side air bags may break during deployment of the side air bags.

Campaign #23V03900001/02/2023

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

BMW of North Americal, LLC (BMW) is recalling certain 2023 8 Series Coupe (840i, 840i xDrive, M850i xDrive, M8), 8 Series Convertible (840i, 840i xDrive, M850i xDrive, M8), 8 Series Gran Coupe (840i, 840i xDrive, M850i xDrive, M8, Alpine B8 xDrive), 2 Series Coupe (230i, 230i xDrive, M240i xDrive, M2), and 2022-2023 Z4 sDrive30i, Z4 M40i vehicles. When the digital key is removed from the vehicle, the Electronic Control Unit (ECU) software may still allow the power windows and sunroof to be closed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 118, "Power-operated Window Systems."

Campaign #23V09900017/02/2023

SEAT BELTS

BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Campaign #21V55400021/07/2021

STRUCTURE:BODY:ROOF AND PILLARS

BMW of North America, LLC (BMW) is recalling certain 2021 BMW 230i and M240i vehicles. Supports within the roof liner may be insecurely attached.

Campaign #21V34200012/05/2021

AIR BAGS:KNEE BOLSTER

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.

Campaign #19V35200009/05/2019

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

Frequently Asked Questions

What are the most common BMW M240i problems?

According to Au7o's analysis of 1,345+ owner reports, the 2017-2024 BMW M240i has 4 documented issues. The most frequently reported are: Coolant Loss from Expansion Tank and Water Pump Failure, Plastic Charge Pipe Failure Under Boost, Valve Cover Gasket Oil Leak. Of these, 1 is rated critical and should be addressed promptly.

Is the BMW M240i reliable?

The 2017-2024 BMW M240i has 4 known issues documented across 1,345+ owner reports. 1 issue is rated critical: Coolant Loss from Expansion Tank and Water Pump Failure. 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 M240i problems?

Repair costs for known BMW M240i issues range from $150 to $1,200, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Coolant Loss from Expansion Tank and Water Pump Failure, typically costs $400-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year BMW M240i is the most reliable?

Reliability varies across model years of the BMW M240i. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2017-2024 BMW M240i with 4 documented issues documented across 1,345+ owner reports.

What is the 2017-2024 BMW M240i Coolant Loss from Expansion Tank and Water Pump Failure?

The B58 engine in the M240i is prone to coolant loss caused by cracks in the plastic coolant expansion tank and premature electric water pump failure. The thermoplastic expansion tank degrades under repeated heat cycles, and in turbocharged engines where under-hood temperatures r… Repairs typically run $400-$1,200. Severity: high.

What is the 2017-2024 BMW M240i Plastic Charge Pipe Failure Under Boost?

The B58 engine uses a plastic charge pipe to route compressed air from the turbocharger to the throttle body. Under sustained high boost conditions, the factory plastic charge pipe can crack, split, or blow off, resulting in an immediate and total loss of boost pressure. This fai… Repairs typically run $200-$600. Severity: medium.

What is the 2017-2024 BMW M240i Valve Cover Gasket Oil Leak?

The B58 engine's valve cover gasket is prone to degradation and oil leaks, typically developing around 60,000-100,000 miles. The rubber gasket material shrinks and dries out through repeated heat cycles, allowing oil to seep and eventually drip down the sides of the engine. In mo… Repairs typically run $500-$900. Severity: medium.

What is the 2017-2024 BMW M240i VANOS Solenoid O-Ring Failure?

The B58 engine's VANOS solenoid o-rings degrade due to wear and high temperatures, causing oil leaks and variable valve timing faults. When the o-rings fail, oil pressure to the VANOS system is compromised, leading to rough idle, reduced power, and check engine lights. This is a… Repairs typically run $150-$500. Severity: medium.

2017-2024 BMW M240i Problems: 4 Issues Every Owner Should Know

All 4 Known Issues

2017-2024 BMW M240i: Coolant Loss from Expansion Tank and Water Pump Failure#

Common Symptoms

How to Fix

Owner tips & cautions

Research This Issue

2017-2024 BMW M240i: Plastic Charge Pipe Failure Under Boost#

Common Symptoms

How to Fix

Owner tips & cautions

Research This Issue

2017-2024 BMW M240i: Valve Cover Gasket Oil Leak#

Common Symptoms

How to Fix

Owner tips & cautions

Research This Issue

2017-2024 BMW M240i: VANOS Solenoid O-Ring Failure#

Common Symptoms

How to Fix

Owner tips & cautions

Research This Issue

Other BMW Models

Frequently Asked Questions

What are the most common BMW M240i problems?

Is the BMW M240i reliable?

How much does it cost to fix common BMW M240i problems?

What year BMW M240i is the most reliable?

What is the 2017-2024 BMW M240i Coolant Loss from Expansion Tank and Water Pump Failure?

What is the 2017-2024 BMW M240i Plastic Charge Pipe Failure Under Boost?

What is the 2017-2024 BMW M240i Valve Cover Gasket Oil Leak?

What is the 2017-2024 BMW M240i VANOS Solenoid O-Ring Failure?