2004 BMW 525I Technical Service Bulletins

49 technical service bulletins (TSBs) are on record for the 2004 BMW 525I. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10249437Jan 16, 2024Electrical system, Visibility (wipers, defrost, mirrors). The basic conditions for initializing the power windows are not met.
• 10249027Jan 11, 2024Electrical system. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
• 10247567Dec 20, 2023Engine cooling, Fuel system. Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: pressure value too low CDA594 - Message (- 0x33E) missing, receiver DME, transmitter TFE
• 10245422Nov 22, 2023Equipment, Electrical system. Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicle’s equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is noticeable. Additionally, the red anti-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed.
• 10194296Apr 1, 2021Steering, Brakes. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
• 10182619Oct 1, 2020Equipment, Electrical system. Discharged Battery Energy Diagnosis Must Be Performed: The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle "discharged battery" complaints.
• 10175267Apr 1, 2020Transmission and drivetrain, Electrical system. Power Reduction FC2A82 Intake VANOS and/or FC2 A87 Exhaust VANOS Camshaft Fault: The "Service Engine Soon" (MIL) lamp is illuminated and engine power reduction is perceived. This situation can occur after driving for some time with the engine at full operating temperature. If the ignition is cycled the engine then usually performs normally.
• 10162428Jul 10, 2019Body and structure, Electrical system. Various Electrical Problems Caused by Water Ingress. Water ingress into the luggage compartment may cause various electrical problems or faults associated with the MPM (Micro Power Module); PDC (Park Distance Control); M-ASK (Multi-Audio System Controller); CCC (Car Communication Computer); CID (Control Information Display); TCU (Telematics Control Unit); LOGIC-7 (Top Hi-Fi); RDC (Tire Pressure Monitor) or SDARS…
• 10145306Jun 1, 2018Equipment. NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
• 10143564May 1, 2018Equipment. NAVIGATION SYSTEM: REPORTING MISSING OR INCORRECT ROAD MAP DATA: The route guidance is inaccurate and therefore irritating to the customer; or it is not possible to locate certain addresses, for instance:
• 10146779Nov 1, 2016Electrical system. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits This Service Information bulletin supersedes SI B07 03 14 dated October 2015.. Fault codes stored in vehicles being serviced are not being diagnosed, leading to repeat repair visits (source- Analysis of FASTA data and repeat repair visit reports).
• 10151335May 1, 2016Equipment. Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call is then transferred back to the vehicle. Contact List incomplete General connection failures Apple iOS software (issue started with iOS 8.3 continues…
• 10151323May 1, 2016Steering. ELV Does Not Release. The customer complains of a no-crank, no-start situation. The condition may be intermittent. The ELV (Electric Steering Lock) warning is shown in the Instrument Cluster.
• 10151119Feb 1, 2016Electrical system, Equipment. SI B84 03 14 February 2016 Communication Systems Technical Service This Service Information bulletin supersedes SI B84 03 14 dated October 2014. SUBJECT Bluetooth Connection Failures. There are various connectivity failures with the following devices: Apple iPhones Samsung S6 and the S6 Edge. Connectivity failure examples are: Call disconnection - Call is transferred back to the handset. In some instances the call…
• 10151115Feb 1, 2016Equipment, Electrical system. SUBJECT Audio System Speaker Testing. For audio system speaker testing there is a NED (Non Electrical Diagnosis) Test Plan available. CAUSE We previously recommended use of the Audio Test CD (ATC) from BMW. This CD has been discontinued.
• 10151068Feb 1, 2016Engine, Equipment, Electrical system, Steering. This Service Information bulletin supersedes SI B07 03 14 dated October 2015. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Fault codes stored in vehicles being serviced are not being diagnosed, leading to repeat repair visits (source- Analysis of FASTA data and repeat repair visit reports).
• 10151023Jan 1, 2016Equipment. Whistling Noise Coming from the Center Vent - A/C is Off . A very high pitched whistling or beeping noise is heard coming from the center vents. The flow of refrigerant through the expansion valve at certain temperature differentials.
• 10147837Nov 1, 2015Equipment, Electrical system. "The Disclaimer screen automatically disappears from the CID after 10 seconds. INFORMATION https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/28...12/2/2015 Page 2 of 2 An enhancement was made to the Car Communication Computer (CCC) and MASK (Multi Audio System Controller) in 2006 so the customer does not have to manually accept the ""Disclaimer"" screen each time.
• 10147758Oct 1, 2015Equipment. This Service Information bulletin supersedes SI B07 03 14 dated May 2015. designates changes to this revision SUBJECT Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Fault codes stored in vehicles being serviced are not being diagnosed, leading to repeat repair visits (source- Analysis of FASTA data and repeat repair visit reports).
• 10147123May 1, 2015Electrical system. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Analysis of FASTA data and repeat repair visit reports indicates that there are many fault codes that are stored in the above vehicles, but they are not diagnosed to identify their root cause. Fault codes that are not diagnosed to find their root cause can lead to a repeat repair visit to the workshop by the customer.
• 10147067Feb 1, 2015Electrical system. This Service Information bulletin supersedes SI B07 03 14 dated February 2015. designates changes to this revision SUBJECT Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Analysis of FASTA data and repeat repair visit reports indicates that there are many fault codes that are stored in the above vehicles, but they are not diagnosed to identify their root cause.
• 10147624Jan 1, 2015Equipment. This Service Information bulletin supersedes SI B65 10 09 dated March 2013. designates changes to this revision SUBJECT CIC head unit: Vehicle Position Is Missing or Incorrect on Navigation Map. The vehicle position is missing or incorrect on the navigation map. The navigation system integrated in the Car Information Computer (CIC) is not calibrated correctly.
• 10147623Jan 1, 2015Equipment. This Service Information bulletin supersedes SI B65 05 09 dated July 2009. designates changes to this revision SUBJECT CIC Headunit: Navigation System Road Map Usage. INFORMATION The Car Information Computer (CIC) began replacing the Car Communication Computer (CCC) on vehicles with option 609 in September of 2008. This change affected the navigation system road map data support process and the warranty spare parts…
• 10147598Jan 1, 2015Engine, Engine cooling. "SUBJECT N62TU: ISTA Service Function for DME ""RAM Backup"". The ISTA Service Function test plan should be performed to clear stored values in the DME RAM memory after repairs are completed, in the following situations: z VANOS or engine-related repairs if any of the following faults cannot be cleared: 2A90 - Exhaust camshaft, tooth offset to crankshaft 2A91 - Exhaust camshaft 2, tooth offset to crankshaft 2A8A…
• 10148194Dec 1, 2014Electrical system, Equipment. iPhone 6, 6 Plus, 5, 5S, 5C, 4S, 4, and 3GS with iOS 8.x Information. INFORMATION There is one major difference in functionality since iOS 8.0 was released. Scenario: z The customer leaves the vehicle and turns his or her phone off. z He or she turns the phone back on. z He or she enters the vehicle, but does not unlock the phone and start driving. Result: z The phone reconnects to the Bluetooth system (normal). z…
• 10148423Nov 1, 2014Electrical system. Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15F, customers may notice a check control message related to the battery that is displayed on the instrument cluster and the control information display. Under these conditions, the vehicle starts.
• 10149382Oct 1, 2014Electrical system. iPhone: Connection Failures with iOS 7. There are various connectivity failures with the iPhone using iOS 7. Some examples are listed below: z Call disconnection z Contact List incomplete z General connection failures Apple software iOS 7 and its variants
• 10149279Oct 1, 2014Equipment. Diagnosing Stored Fault Codes to Help Avoid Repeat Repair Visits. Analysis of FASTA data and repeat repair visit reports indicates that there are many fault codes that are stored in the above vehicles, but they are not diagnosed to identify their root cause. Fault codes that are not diagnosed to find their root cause can lead to a repeat repair visit to the workshop by the customer.
• 10148034Sep 1, 2014Electrical system, Transmission and drivetrain. "Intelligent Battery Sensor Diagnosis Hints. The vehicle enters the workshop with one or more of the following complaints: * Check Control Message related to battery discharge * No-start condition * Consumer power reduction (reduced blower speed, heated seats operation, etc.) * The following fault codes may be stored in the DME a. 2E8B - Intelligent battery sensor, signal b. 2E8C - Intelligent battery sensor…
• 10148018Sep 1, 2014Equipment, Air bags. "?SI B01 09 14 September 2014 WarrantiesWarranties This Service Information bulletin supersedes SI B01 09 14 dated August 2014. Please read this Service Information bulletin in its entirety, the content has been completely updated. designates changes to this revision SUBJECT Front Passenger Air Bag Seat Occupancy Sensor (OC3) Mat: Limited Warranty Extension to 15 years Without Mileage Limitation.
• 10148376Aug 1, 2014Equipment, Electrical system. Previously assigned radio channels to the satellite radio "Presets" list have been erased and radio channels selected from the list "All channels" menu cannot be stored in the "Presets" list. The problem occurred after the recently implemented Sirius/XM channel lineup change. The data handling between the satellite radio receiver (SDARS-Exbox) and the Car Communication Computer (CCC head unit) has been corrupted.
• 10148135Jul 1, 2014Electrical system. ConnectedDrive/BMW Assist System Diagnosis Information. ConnectedDrive/BMW Assist features are partially or completely inoperative. This Service Information bulletin is being published because vehicles are down for an extended period of time when researching system failures with ConnectedDrive or BMW Assist. This Service Information bulletin will assist you both in identifying the issue and providing technical…
• 10148120Jul 1, 2014Electrical system. Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15°F, customers may notice a check control message related to the battery that is displayed on the instrument cluster and the control information display. Under these conditions, the vehicle starts.
• 10148101Jun 1, 2014Electrical system. iPhone: Connection Failures with iOS 7. There are various connectivity failures with the iPhone using iOS 7. Some examples are listed below: * Call disconnection * Contact List incomplete * General connection failures CAUSE Apple software iOS 7 and its variants.
• 10148276Apr 1, 2014Equipment. Traffic Information Is Inoperative. The traffic information is intermittently or permanently inoperative. * Traffic flow is not displayed on the navigation map. * The traffic list is empty. 1. The Offboard Availability (backend) system is unavailable and is not sending traffic information. 2. The traffic information feature is not activated correctly.
• 10148273Apr 1, 2014Equipment, Electrical system. Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15F, customers may notice a check control message related to the battery that is displayed on the instrument cluster and the control information display. Under these conditions, the vehicle starts.
• 10148010Mar 1, 2014Equipment, Electrical system. ConnectedDrive/BMW Assist System Information and Availability. ConnectedDrive features are partially or completely inoperative. Examples of some of these features are listed below: * BMW Assist Inoperative ? SOS call ? Roadside Assistance call * My BMW Remote App * BMW Online - Google local search * Concierge CAUSE The Electronic Subscriber Agreement (ESA) is inactive.
• 10147953Jan 1, 2014Electrical system. "ConnectedDrive/BMW ASSIST Features Are Inoperative. ConnectedDrive features are partially or completely inoperative. * No traffic information (RTTI / ARTTI) * BMW ASSIST ""My Info"" service doesn't work. CAUSE The Electronic Subscriber Agreement (ESA) is inactive. * No active contract for ConnectedDrive features Offboard Availability (Backend) system issues * The external network was/is inoperative. * No data is…
• 10147945Jan 1, 2014Exterior lighting. Delay in Automatic Driving Light Switching On/Off. When driving out of a tunnel or exiting underground parking, the automatic driving light remains switched on for two minutes, even in daylight. The automatic driving light switching on/off can be shorter or longer when it starts to get dark. CAUSE The software for the switch-on threshold is lowered to protect the xenon light source.
• 10147941Jan 1, 2014Steering. ELV Does Not Release. Cause 1: The steering column is held against the steering lock because of torque from the steering gear. In such cases, a yellow check control warning (CC ID# 187) is shown in the instrument cluster, but no faults are stored. Cause 2: Communication fault in the CAS (Car Access System) and ELV system network and/or battery low. The problem may cause the ELV warning to be displayed in yellow or…
• 10150065Jun 1, 2013Engine, Equipment. "BMW NA has agreed to extend the emissions warranties of the turbocharger's wastegate to: ??8 years or 82,000 miles, whichever occurs first, as determined from the vehicle's original in-service date select the ""Vehicle Comment"" button to display the extended coverage information. The terms of the original New Vehicle/SAV Limited Warranty and applicable emissions warranty still apply.
• 10149605May 1, 2013Electrical system. Battery Replacements. A failed battery in the vehicle is being replaced with a battery of a different size and type, which can lead to additional labor to retrofit the differently sized battery. CAUSE In the past, the 110 AH Lead acid battery was not available. The 90/92 AH AGM battery was installed as an alternative replacement; this required retrofitting.
• 10149589May 1, 2013Fuel system, Engine. "N54 Engine: Diagnosis of Cold Start Rough Running with Misfire Faults. The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module. The engine rough running complaint can be reproduced on a cold start in the workshop.
• 10150130Mar 1, 2013Equipment. The vehicle position is missing or incorrect on the navigation map. The navigation system integrated in the Car Information Computer (CIC) is not calibrated correctly.
• 10150099Mar 1, 2013Fuel system. N54 Engine: Fuel Pressure Control Test Plan Error. INFORMATION Not applicable.
• 10150385Dec 1, 2012Equipment. "CCC - ""Please Insert Navigation DVD"" Appears on CID. The navigation map DVD cannot be read or detected. The message ""Please insert navigation DVD"" appears in the CID (Central Information Display). The navigation system is inoperative. This situation may also occur when upgrading to a new navigation map. The old map is recognized but the new one is not. CAUSE Faulty DVD drive; read error due to hardening of the…
• 10150330Oct 1, 2012Electrical system. "Discharged Battery: Energy Diagnosis Must Be Performed. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle ""discharged battery"" complaints. A discharged battery can have various causes, most of which do not concern…
• 10037025Aug 1, 2010Exterior lighting. Bmw: procedure for determining and replacing incandescent and halogen light bulbs under warranty.
• 10033130Dec 1, 2009Fuel system. Bmw vehicles: fuel level sensor repairs. Where it is necessary to replace the right or the left side fuel level sensor due to a failure, the entire pump and housing or delivery unit (suction jet assembly) do not need to be replaced as well. In some cases, epc does not show that the repair kit is available separately in the illustration, but it is available in the parts description. All models. No model years listed.

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