TSB: BMW 1 SERIES, 1 SERIES M, 3 SERIES, 328, 328I, 335, 335I, 335IS, 428I, 430I, 435I, 440I, 6 SERIES, M3, M4, M850I, R NINE T, R1200 RT POLICE, R1200 S ADVENTURE (2007–2019)

Bulletin B540907 — May 1, 2018

Bulletin Details

Bulletin IDB540907
ManufacturerBMW
Models1 SERIES, 1 SERIES M, 3 SERIES, 328, 328I, 335, 335I, 335IS, 428I, 430I, 435I, 440I, 6 SERIES, M3, M4, M850I, R NINE T, R1200 RT POLICE, R1200 S ADVENTURE
Model Years2007–2019
Date IssuedMay 1, 2018
Date Added to NHTSAJuly 22, 2019
ComponentELECTRICAL SYSTEM
Vehicles Affected186 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

?RETRACTABLE HARDTOP STATUS REQUEST SUPPLEMENT. INFORMATION Documents have been developed showing the known correct statuses for all hall sensors and micro switches used to operate the retractable hard top (RHT). This document is intended t

Affected Vehicles

MakeModelYearComponent
BMW M850I 2019 160000 STRUCTURE
BMW 430I 2018 110000 ELECTRICAL SYSTEM
BMW 430I 2018 162000 STRUCTURE:BODY
BMW 430I 2018 350000 EQUIPMENT
BMW 430I 2018 160000 STRUCTURE
BMW 440I 2018 110000 ELECTRICAL SYSTEM
BMW 440I 2018 162000 STRUCTURE:BODY
BMW 440I 2018 350000 EQUIPMENT
BMW 440I 2018 160000 STRUCTURE
BMW M4 2018 160000 STRUCTURE
BMW M4 2018 161000 STRUCTURE:FRAME AND MEMBERS
BMW M4 2018 110000 ELECTRICAL SYSTEM
BMW M4 2018 162000 STRUCTURE:BODY
BMW M4 2018 350000 EQUIPMENT
BMW M4 2018 160000 STRUCTURE
BMW R NINE T 2018 110000 ELECTRICAL SYSTEM
BMW R NINE T 2018 162000 STRUCTURE:BODY
BMW R NINE T 2018 350000 EQUIPMENT
BMW R1200 S ADVENTURE 2018 160000 STRUCTURE
BMW R1200 S ADVENTURE 2018 161000 STRUCTURE:FRAME AND MEMBERS
BMW 430I 2017 110000 ELECTRICAL SYSTEM
BMW 430I 2017 162000 STRUCTURE:BODY
BMW 430I 2017 350000 EQUIPMENT
BMW 430I 2017 160000 STRUCTURE
BMW 440I 2017 110000 ELECTRICAL SYSTEM
BMW 440I 2017 162000 STRUCTURE:BODY
BMW 440I 2017 350000 EQUIPMENT
BMW 440I 2017 160000 STRUCTURE
BMW M4 2017 160000 STRUCTURE
BMW M4 2017 161000 STRUCTURE:FRAME AND MEMBERS
BMW M4 2017 110000 ELECTRICAL SYSTEM
BMW M4 2017 162000 STRUCTURE:BODY
BMW M4 2017 350000 EQUIPMENT
BMW M4 2017 160000 STRUCTURE
BMW R NINE T 2017 160000 STRUCTURE
BMW R NINE T 2017 161000 STRUCTURE:FRAME AND MEMBERS
BMW R1200 RT POLICE 2017 110000 ELECTRICAL SYSTEM
BMW R1200 RT POLICE 2017 162000 STRUCTURE:BODY
BMW R1200 RT POLICE 2017 350000 EQUIPMENT
BMW 428I 2016 110000 ELECTRICAL SYSTEM
BMW 428I 2016 162000 STRUCTURE:BODY
BMW 428I 2016 350000 EQUIPMENT
BMW 428I 2016 160000 STRUCTURE
BMW 435I 2016 110000 ELECTRICAL SYSTEM
BMW 435I 2016 162000 STRUCTURE:BODY
BMW 435I 2016 350000 EQUIPMENT
BMW 435I 2016 160000 STRUCTURE
BMW M4 2016 160000 STRUCTURE
BMW M4 2016 161000 STRUCTURE:FRAME AND MEMBERS
BMW M4 2016 110000 ELECTRICAL SYSTEM
BMW M4 2016 162000 STRUCTURE:BODY
BMW M4 2016 350000 EQUIPMENT
BMW M4 2016 160000 STRUCTURE
BMW R NINE T 2016 160000 STRUCTURE
BMW R NINE T 2016 161000 STRUCTURE:FRAME AND MEMBERS
BMW 428I 2015 110000 ELECTRICAL SYSTEM
BMW 428I 2015 162000 STRUCTURE:BODY
BMW 428I 2015 350000 EQUIPMENT
BMW 428I 2015 160000 STRUCTURE
BMW 435I 2015 110000 ELECTRICAL SYSTEM
BMW 435I 2015 162000 STRUCTURE:BODY
BMW 435I 2015 350000 EQUIPMENT
BMW 435I 2015 160000 STRUCTURE
BMW M4 2015 160000 STRUCTURE
BMW M4 2015 161000 STRUCTURE:FRAME AND MEMBERS
BMW M4 2015 110000 ELECTRICAL SYSTEM
BMW M4 2015 162000 STRUCTURE:BODY
BMW M4 2015 350000 EQUIPMENT
BMW M4 2015 160000 STRUCTURE
BMW R NINE T 2015 160000 STRUCTURE
BMW R NINE T 2015 161000 STRUCTURE:FRAME AND MEMBERS
BMW 428I 2014 110000 ELECTRICAL SYSTEM
BMW 428I 2014 162000 STRUCTURE:BODY
BMW 428I 2014 350000 EQUIPMENT
BMW 428I 2014 160000 STRUCTURE
BMW 435I 2014 110000 ELECTRICAL SYSTEM
BMW 435I 2014 162000 STRUCTURE:BODY
BMW 435I 2014 350000 EQUIPMENT
BMW 435I 2014 160000 STRUCTURE
BMW M4 2014 160000 STRUCTURE
BMW M4 2014 161000 STRUCTURE:FRAME AND MEMBERS
BMW R NINE T 2014 160000 STRUCTURE
BMW R NINE T 2014 161000 STRUCTURE:FRAME AND MEMBERS
BMW 1 SERIES M 2013 160000 STRUCTURE
BMW 1 SERIES M 2013 161000 STRUCTURE:FRAME AND MEMBERS
BMW 328I 2013 110000 ELECTRICAL SYSTEM
BMW 328I 2013 162000 STRUCTURE:BODY
BMW 328I 2013 350000 EQUIPMENT
BMW 328I 2013 160000 STRUCTURE
BMW 335I 2013 110000 ELECTRICAL SYSTEM
BMW 335I 2013 162000 STRUCTURE:BODY
BMW 335I 2013 350000 EQUIPMENT
BMW 335I 2013 160000 STRUCTURE
BMW 335IS 2013 110000 ELECTRICAL SYSTEM
BMW 335IS 2013 162000 STRUCTURE:BODY
BMW 335IS 2013 350000 EQUIPMENT
BMW 335IS 2013 160000 STRUCTURE
BMW M3 2013 110000 ELECTRICAL SYSTEM
BMW M3 2013 162000 STRUCTURE:BODY
BMW M3 2013 350000 EQUIPMENT
BMW M3 2013 160000 STRUCTURE
BMW 328I 2012 110000 ELECTRICAL SYSTEM
BMW 328I 2012 162000 STRUCTURE:BODY
BMW 328I 2012 350000 EQUIPMENT
BMW 328I 2012 160000 STRUCTURE
BMW 335I 2012 110000 ELECTRICAL SYSTEM
BMW 335I 2012 162000 STRUCTURE:BODY
BMW 335I 2012 350000 EQUIPMENT
BMW 335I 2012 160000 STRUCTURE
BMW 335IS 2012 160000 STRUCTURE
BMW 6 SERIES 2012 160000 STRUCTURE
BMW 6 SERIES 2012 161000 STRUCTURE:FRAME AND MEMBERS
BMW M3 2012 110000 ELECTRICAL SYSTEM
BMW M3 2012 162000 STRUCTURE:BODY
BMW M3 2012 350000 EQUIPMENT
BMW M3 2012 160000 STRUCTURE
BMW 1 SERIES 2011 160000 STRUCTURE
BMW 1 SERIES 2011 161000 STRUCTURE:FRAME AND MEMBERS
BMW 328I 2011 110000 ELECTRICAL SYSTEM
BMW 328I 2011 162000 STRUCTURE:BODY
BMW 328I 2011 350000 EQUIPMENT
BMW 328I 2011 160000 STRUCTURE
BMW 335I 2011 110000 ELECTRICAL SYSTEM
BMW 335I 2011 162000 STRUCTURE:BODY
BMW 335I 2011 350000 EQUIPMENT
BMW 335I 2011 160000 STRUCTURE
BMW 335IS 2011 110000 ELECTRICAL SYSTEM
BMW 335IS 2011 162000 STRUCTURE:BODY
BMW 335IS 2011 350000 EQUIPMENT
BMW 335IS 2011 160000 STRUCTURE
BMW M3 2011 110000 ELECTRICAL SYSTEM
BMW M3 2011 162000 STRUCTURE:BODY
BMW M3 2011 350000 EQUIPMENT
BMW M3 2011 160000 STRUCTURE
BMW 3 SERIES 2010 160000 STRUCTURE
BMW 3 SERIES 2010 161000 STRUCTURE:FRAME AND MEMBERS
BMW 328 2010 110000 ELECTRICAL SYSTEM
BMW 328 2010 162000 STRUCTURE:BODY
BMW 328 2010 350000 EQUIPMENT
BMW 328 2010 160000 STRUCTURE
BMW 335 2010 110000 ELECTRICAL SYSTEM
BMW 335 2010 162000 STRUCTURE:BODY
BMW 335 2010 350000 EQUIPMENT
BMW 335 2010 160000 STRUCTURE
BMW M3 2010 110000 ELECTRICAL SYSTEM
BMW M3 2010 162000 STRUCTURE:BODY
BMW M3 2010 350000 EQUIPMENT
BMW M3 2010 160000 STRUCTURE
BMW 3 SERIES 2009 160000 STRUCTURE
BMW 3 SERIES 2009 161000 STRUCTURE:FRAME AND MEMBERS
BMW 328 2009 110000 ELECTRICAL SYSTEM
BMW 328 2009 162000 STRUCTURE:BODY
BMW 328 2009 350000 EQUIPMENT
BMW 328 2009 160000 STRUCTURE
BMW 335 2009 110000 ELECTRICAL SYSTEM
BMW 335 2009 162000 STRUCTURE:BODY
BMW 335 2009 350000 EQUIPMENT
BMW 335 2009 160000 STRUCTURE
BMW M3 2009 110000 ELECTRICAL SYSTEM
BMW M3 2009 162000 STRUCTURE:BODY
BMW M3 2009 350000 EQUIPMENT
BMW M3 2009 160000 STRUCTURE
BMW 3 SERIES 2008 160000 STRUCTURE
BMW 3 SERIES 2008 161000 STRUCTURE:FRAME AND MEMBERS
BMW 328 2008 110000 ELECTRICAL SYSTEM
BMW 328 2008 162000 STRUCTURE:BODY
BMW 328 2008 350000 EQUIPMENT
BMW 328 2008 160000 STRUCTURE
BMW 335 2008 110000 ELECTRICAL SYSTEM
BMW 335 2008 162000 STRUCTURE:BODY
BMW 335 2008 350000 EQUIPMENT
BMW 335 2008 160000 STRUCTURE
BMW M3 2008 110000 ELECTRICAL SYSTEM
BMW M3 2008 162000 STRUCTURE:BODY
BMW M3 2008 350000 EQUIPMENT
BMW M3 2008 160000 STRUCTURE
BMW 3 SERIES 2007 160000 STRUCTURE
BMW 3 SERIES 2007 161000 STRUCTURE:FRAME AND MEMBERS
BMW 328 2007 110000 ELECTRICAL SYSTEM
BMW 328 2007 162000 STRUCTURE:BODY
BMW 328 2007 350000 EQUIPMENT
BMW 328 2007 160000 STRUCTURE
BMW 335 2007 110000 ELECTRICAL SYSTEM
BMW 335 2007 162000 STRUCTURE:BODY
BMW 335 2007 350000 EQUIPMENT
BMW 335 2007 160000 STRUCTURE

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BMW dealer. Bring this bulletin ID (B540907) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.