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.

2021-2024 Audi A4/S4 Rear Window Reverses Direction TSB
Owners of 2021-2024 Audi A4, A4 allroad, and S4 models may experience rear windows reversing direction when attempting one-touch closure, accompanied by DTC B14874B. Audi Technical Service Bulletin 2070094/1 outlines a simple power reset procedure to resolve this software issue.

2021-2024 Audi A4, S4 Rear Window Reverses DTC B14874B
Audi has issued Technical Service Bulletin 2070094/2 for 2021-2024 Audi A4, A4 allroad, and S4 models experiencing rear windows reversing direction at the upper stop. This issue is linked to DTC B14874B and is resolved by a door module power reset.

2020-2024 Audi A4/S4 Noisy Exterior Mirrors TSB
Audi has issued Technical Service Bulletin (TSB) 2067558/1 to address a grinding or rubbing noise from the exterior rearview mirrors when they fold in or out on 2020-2024 A4, S4, and A4 allroad models. The issue is due to insufficient lubrication of plastic washers within the mirror mechanism.

2021 Audi A4 / S4 Tail Lamp Warning TSB
Audi has released a software update to resolve issues with the 'tail lamp warning' and instances where the warning may flash quicker after actuation on certain 2021 Audi A4 and S4 vehicles. This update aims to address various diagnostic trouble codes (DTCs) related to the exterior lighting system.

2021 Audi A4/S4 Pre-Delivery Inspection Checklist
This document outlines the Pre-Delivery Inspection (PDI) checklist for the 2021 Audi A4 and S4, ensuring vehicles meet Audi's quality standards before customer delivery. It covers various checks from interior and exterior to settings, driving performance, and includes critical information about…

2021 Audi A4 Infotainment Online Data Settings TSB
Audi has issued a manufacturer communication, NHTSA ID 10185210, for 2021 Audi A4 and S4 models regarding infotainment online data settings. This TSB advises owners to verify specific radio settings, 'Online additional data' and 'online station tracking', to ensure proper functionality of online…

2021 Audi A4/S4 Pre-Delivery Inspection Checklist
This document outlines the detailed Pre-Delivery Inspection (PDI) checklist for 2021 Audi A4 and S4 vehicles. It covers essential checks from vehicle preparation and interior functions to driver assistance systems and Audi connect® setup, ensuring every new Audi meets strict quality and safety…

2021 Audi A4/S4 New Vehicle Delivery Guidelines
This manufacturer communication, Audi Delivery Guidelines Version 1.1 (NHTSA ID 10180045), outlines the comprehensive checklist for dealers to follow when delivering new 2021 Audi A4 and S4 vehicles. It covers everything from pre-delivery inspection to feature demonstrations and owner document…

2021 Audi A4/S4 Pre-Delivery Inspection Checklist
This document outlines the comprehensive Pre-Delivery Inspection (PDI) for 2021 Audi A4 and S4 models, ensuring vehicles meet Audi's quality standards before customer delivery. It covers everything from exterior checks to advanced system settings and includes important information regarding the…

2021 Audi A4/S4 Pre-Delivery Inspection Checklist
Before taking delivery of a new 2021 Audi A4, S4, or A4 allroad, technicians follow a detailed Pre-Delivery Inspection (PDI) checklist. This ensures all systems, features, and safety components are functioning correctly and configured for the owner.

2021 Audi A4/S4 Pre-Delivery Inspection Checklist
Before a new 2021 Audi A4 or S4 is delivered, technicians perform a comprehensive Pre-Delivery Inspection (PDI). This checklist ensures all systems, including Audi connect and the emergency call function, are fully operational and meet Audi's quality standards.

2021 Audi A4/S4/allroad Delivery Guidelines & Phone Box Info
This document outlines the pre-delivery inspection (PDI) and customer orientation procedures for the 2021 Audi A4, S4, and A4 allroad. It covers vehicle checks, customer priority topics, driver controls, infotainment, and important FCC requirements for Audi Phone Box-equipped vehicles, including…

2021 Audi A/C Unpleasant Odor TSB 2010146/15
Audi has released Technical Service Bulletin (TSB) 2010146/15 to address customer complaints of an unpleasant, musty odor emanating from the heating and ventilation system in various 2021 Audi models. This TSB outlines a specialized cleaning procedure to neutralize contaminants.

2025 BMW X3 Delivery Stop: Steering Gear Fault
BMW has issued a delivery stop, SIB 32 02 26, for certain 2025-2026 X3 models. The issue involves a potentially faulty steering gear sensor, which can lead to a "Check Control message" and a "minimally changed steering feel". This bulletin outlines the repair procedure, which involves replacing…

2026 BMW X3 Delivery Stop: Wiring Harness Routing
BMW has issued a delivery stop, SIB 12 04 26, for certain 2026 BMW X3 (G45) vehicles. The issue involves a misaligned clip on the Engine Sensor 2 wiring harness, which could cause damage and lead to cooling system failure. Vehicles cannot be delivered until this pre-delivery repair is completed.

2025 BMW X3 Underbody Baffle Sealing Service Action
BMW has announced a service action for certain 2025 X3 vehicles concerning the underbody baffles. These baffles may not completely prevent water ingress, leading to potential issues. Owners are advised to contact an authorized BMW center for a free re-sealing repair.

2025 BMW X3, 2 Series Ambient Lighting Malfunction TSB
BMW has released Service Information Bulletin SIB 63 09 25 to address issues with interior ambient lighting in 2025 BMW X3 and 2 Series Gran Coupe vehicles. Owners may experience non-functional lighting strips after a software update, often indicated by fault codes such as 804A38, 804A39, 804A3E…

2025 BMW X3 Steering Gear Service Action Reminder
BMW has issued a service action reminder for the 2025 X3 concerning a faulty steering gear. This issue can cause a Check Control message on the Central Display and a subtle change in steering feel. The steering gear, including potentially faulty sensors, will be replaced free of charge at an…

2025 BMW X3 Roller Blind Parts Return (TEC833)
BMW AG has issued Parts Bulletin C32-0126-0612, identified as TEC833, for the 2025 BMW X3. This bulletin requests the immediate return of specific roller blind part numbers (61 35 5 B4F DC9 and 61 35 5 B4F DD0) from dealer inventory. Affected parts must not be sold.

2024 BMW X3 Damaged Edge Trim Return TEC832
BMW Parts Bulletin TEC832 addresses damaged edge trim for the 2024 BMW X3, specifically part number 51 48 7 396 611. This bulletin instructs dealers to inspect and return any affected parts exhibiting dents, ensuring only undamaged components are used or sold. Claims must be filed by February 10…

2024 BMW X3 Parts Bulletin TEC830: Insert Return
BMW Parts Bulletin TEC830 addresses the return of specific inserts for the 2024 BMW X3 due to dents and damage. Dealers are instructed to inspect and return affected part number 51 47 9 892 173 by February 24, 2026. Unaffected parts are cleared for use.

2025 BMW X3 Airbag Warning Tag Stuck in Display
A common issue for new 2025 BMW X3 owners involves a piece of the airbag warning hang tag becoming stuck between the central display screen during removal. This manufacturer communication, NHTSA ID 11027775, addresses the problem and outlines the resolution.

2025 BMW X3 Door Parts Return for Missing Adhesive TEC821
BMW has issued Parts Bulletin TEC821, C32-0126-0603, requiring the return of specific door part numbers for the 2025 BMW X3. These parts are affected by missing adhesive on the side impact strut, a critical safety component. Dealers are instructed not to sell affected inventory.

2025-2026 BMW X3 Center Console Armrest Button Issue
BMW has issued Technical Service Bulletin SIB 51 02 26 for 2025-2026 BMW X3 models regarding the center console armrest unlock button popping out. This bulletin outlines the cause and the repair procedure to replace the faulty button.