Service Bulletins
Manufacturer Technical Service Bulletins (TSBs) issued to authorized dealers — software updates, repair procedures, fault-code fixes, and warranty coverage details for current and recent model years.
2021 BMW X3 / X4 Glove Box Cover Issue
BMW has issued a manufacturer communication, NHTSA ID 10194299, regarding a potential issue with the passenger side glove compartment cover in certain 2021 BMW X3 and X4 vehicles. The communication notes that some covers may be 'out-of-specification,' potentially affecting fitment or function.
2021 BMW M Models High-Performance Brake Noise
BMW has issued a manufacturer communication (NHTSA ID: 10201141) regarding brake noise in 2021 M models equipped with high-performance M Compound or M Carbon Ceramic brakes. This document explains that the noise is a side effect of the resilient materials used for optimal braking performance and…
2021 BMW X3/X4 Whistling Noise from Fresh Air Inlet
Owners of 2021 BMW X3 and X4 vehicles may experience a whistling noise originating from the fresh air inlet area in the engine compartment, particularly at speeds above 40 mph. This issue is addressed by BMW Technical Service Bulletin (TSB) 10194310.
2021 BMW X3/X4 Ambient Light Color Differences TSB
BMW has issued a manufacturer communication (NHTSA ID 10194309) regarding inconsistent ambient lighting in 2021 BMW X3 and X4 models. Owners may observe that the "intensity or light throughout the door panel lighting strips is not consistent," with "Some spots are brighter than others."
2021 BMW M Vehicle Compound Brake System Cracks
NHTSA Manufacturer Communication 10194298 details that visible cracks in the compound brake discs of 2021 BMW M vehicles, such as the 2021 BMW X3, are caused by high thermal stresses. This occurs during rapid heating and cooling, especially when braking from high speeds with cold brake components.
2021 BMW X3 M Compound Brake System Cracks Diagnosis
BMW has issued a 2021 BMW X3 manufacturer_communication regarding the diagnosis of compound brake system cracks in M vehicles, including the X3. These cracks are often due to high thermal stress from rapid heating and cooling, especially during high-speed braking with cold components.
2021 BMW X3 Instrument Cluster Display Shakes
BMW has identified an issue where the instrument cluster display in certain 2021 models, including the X3, may intermittently flicker, shake, or shift to the left. This manufacturer communication addresses the symptom and potential resolutions for affected vehicles.
2021 BMW X3 Sunroof Water Leak Diagnosis TSB
BMW has issued Technical Service Bulletin (TSB) 10190857 to address sunroof water leaks in 2021 X3, X4, X5, and X7 models. This bulletin provides diagnostic guidance for technicians to identify common areas of water entry, helping to resolve the issue of a 2021 BMW X3 sunroof water leak.
2021 BMW X3 Sunroof Not Initialized Warning TSB
A manufacturer communication addresses the "SUNROOF NOT INITIALIZED" warning in 2021 BMW X3, X4, X5, X6, and X7 vehicles. This issue can occur if the sunroof loses its initialization due to extended switch activation, requiring a dealer visit for resolution.
2021 BMW X3, X4 Front Axle Support Wedge Parts Error TSB
BMW has released a Technical Service Bulletin (TSB 10190848) for certain 2021 BMW X3 and X4 vehicles concerning a front axle support wedge. A production error led to vehicles not being built to specification due to an incorrect parts list. This TSB addresses the necessary correction.
2021 BMW X3/X4 Door Paint Streaks TSB
A technical service bulletin (NHTSA ID 10188941) addresses a cosmetic concern in 2021 BMW X3 and X4 vehicles where vertical "DOOR PAINT STREAKS" may appear on the outer door skin, originating from the lower window trim. This issue can affect any of the four side doors.
2021 BMW X3 Combustion Control Valve Lift at Idle Issue
BMW has issued a manufacturer communication (NHTSA ID: 10188938) regarding a combustion control valve lift issue that can cause rough running or hesitation during acceleration in 2021 BMW X3 and other models. This TSB addresses the symptoms and potential causes for this engine performance concern.
2021 BMW X3/X4 Engine Crankcase Manufacturing Error
A manufacturer communication, NHTSA ID 10188937, details a significant crankcase manufacturing error affecting certain 2021 BMW X3 and X4 models. This defect impacts the connecting rod bearings and necessitates a complete engine replacement before vehicle delivery.
2021 BMW X3/X4 Lane Departure Warning Vibration TSB
A manufacturer communication, NHTSA ID 10187483, addresses concerns regarding the Lane Departure Warning (LDW) system in 2021 BMW X3 and X4 models. Owners may find the steering wheel vibration for the LDW system to be insufficiently strong, even when set to the highest intensity. This issue is…
2021 BMW X-Series Front Door Panel LED Failure
BMW has issued a manufacturer communication (NHTSA ID: 10187481) regarding front door panel LED failures in 2021 BMW X-Series vehicles. The issue stems from moisture entering the LED module, leading to corrosion and inoperable lights. Owners experiencing this problem should consult their dealer.
2021 BMW X3/X4 Engine Replacement for Crankcase Error
A manufacturer communication, NHTSA ID 10187473, indicates that certain 2021 BMW X3 and X4 vehicles may need a full engine replacement. This is due to a manufacturing error in the crankcase affecting the connecting rod bearings.
2021 BMW X3 Daytime Running Light Dim or Discolored
A manufacturer communication, NHTSA ID 10186226, addresses a common issue in 2021 BMW X3 and other models where the daytime running lights appear dim or discolored. This problem stems from a damaged connection between the LED module and the light tube inside the headlight assembly.
2021 BMW X3 Tank Ventilation Diagnosis Software Error
BMW has identified a software error affecting the tank ventilation diagnosis in 2021 X3, X5, M5, M8, and X6 models. This issue, detailed in NHTSA ID 10186216, can prevent the Service Engine Soon light from illuminating for tank vent system faults and disable catalytic converter and oxygen sensor…
2021 BMW X3 Instrument Cluster Display Shakes
A manufacturer communication, NHTSA ID 10186225, describes an intermittent issue where the instrument cluster display in certain 2021 BMW models, including the 2021 BMW X3, may shake, flicker, or shift to the left. The fault typically resolves after the vehicle enters sleep mode but can reoccur.
2021 BMW Remote Control Key Not Working TSB
Owners of 2021 BMW X3, 5 Series, and 7 Series vehicles may experience issues where their remote control or display key buttons are not working, preventing vehicle access. This manufacturer communication, NHTSA ID 10186222, provides details on the problem.
2021 BMW X3 Sunroof Not Initialized Fault
A manufacturer communication (NHTSA ID 10186220) addresses a sunroof initialization issue affecting 2021 BMW X3, X4, X5, X6, and X7 models. Owners may experience inoperable sunroofs and fault codes like 030215, 030220, 030295, and 0302A0 related to standardization.