TSB: BMW 1 SERIES M, 525D XDRIVE, 528I, 535I, 535I US, 550I, 740I, 740I US, 750I, 750LI, 760LI, ACTIVEHYBRID 7, X5, X5 M, X6, X6 ACTIVEHYBRID SAC, X6 M (2007–2015)

Bulletin B121015 — March 1, 2015

Bulletin Details

Bulletin IDB121015
ManufacturerBMW
Models1 SERIES M, 525D XDRIVE, 528I, 535I, 535I US, 550I, 740I, 740I US, 750I, 750LI, 760LI, ACTIVEHYBRID 7, X5, X5 M, X6, X6 ACTIVEHYBRID SAC, X6 M
Model Years2007–2015
Date IssuedMarch 1, 2015
Date Added to NHTSADecember 17, 2018
ComponentENGINE (PWS)
Vehicles Affected190 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

"SI B12 10 15 Engine Electrical Systems March 2015 Technical Service This Service Information bulletin supersedes SI B12 10 15 dated January 2015. designates changes to this revision SUBJECT N63: CBS Oil Service Conversion in ISTA/P. The CB

Affected Vehicles

MakeModelYearComponent
BMW 740I 2015 110000 ELECTRICAL SYSTEM
BMW 740I 2015 350000 EQUIPMENT
BMW 740I 2015 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2015 110000 ELECTRICAL SYSTEM
BMW 750I 2015 350000 EQUIPMENT
BMW 750I 2015 353000 EQUIPMENT:ELECTRICAL
BMW 525D XDRIVE 2014 110000 ELECTRICAL SYSTEM
BMW 525D XDRIVE 2014 350000 EQUIPMENT
BMW 525D XDRIVE 2014 353000 EQUIPMENT:ELECTRICAL
BMW 740I 2014 110000 ELECTRICAL SYSTEM
BMW 740I 2014 350000 EQUIPMENT
BMW 740I 2014 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2014 110000 ELECTRICAL SYSTEM
BMW 750I 2014 350000 EQUIPMENT
BMW 750I 2014 353000 EQUIPMENT:ELECTRICAL
BMW ACTIVEHYBRID 7 2014 110000 ELECTRICAL SYSTEM
BMW ACTIVEHYBRID 7 2014 350000 EQUIPMENT
BMW ACTIVEHYBRID 7 2014 353000 EQUIPMENT:ELECTRICAL
BMW X6 2014 110000 ELECTRICAL SYSTEM
BMW X6 2014 350000 EQUIPMENT
BMW X6 2014 353000 EQUIPMENT:ELECTRICAL
BMW 1 SERIES M 2013 110000 ELECTRICAL SYSTEM
BMW 1 SERIES M 2013 350000 EQUIPMENT
BMW 1 SERIES M 2013 353000 EQUIPMENT:ELECTRICAL
BMW 740I 2013 110000 ELECTRICAL SYSTEM
BMW 740I 2013 350000 EQUIPMENT
BMW 740I 2013 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2013 110000 ELECTRICAL SYSTEM
BMW 750I 2013 350000 EQUIPMENT
BMW 750I 2013 353000 EQUIPMENT:ELECTRICAL
BMW X5 2013 110000 ELECTRICAL SYSTEM
BMW X5 2013 350000 EQUIPMENT
BMW X5 2013 353000 EQUIPMENT:ELECTRICAL
BMW X6 2013 110000 ELECTRICAL SYSTEM
BMW X6 2013 350000 EQUIPMENT
BMW X6 2013 353000 EQUIPMENT:ELECTRICAL
BMW 740I 2012 110000 ELECTRICAL SYSTEM
BMW 740I 2012 350000 EQUIPMENT
BMW 740I 2012 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2012 110000 ELECTRICAL SYSTEM
BMW 750I 2012 350000 EQUIPMENT
BMW 750I 2012 353000 EQUIPMENT:ELECTRICAL
BMW ACTIVEHYBRID 7 2012 350000 EQUIPMENT
BMW ACTIVEHYBRID 7 2012 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW ACTIVEHYBRID 7 2012 060000 ENGINE (PWS)
BMW ACTIVEHYBRID 7 2012 110000 ELECTRICAL SYSTEM
BMW ACTIVEHYBRID 7 2012 350000 EQUIPMENT
BMW ACTIVEHYBRID 7 2012 353000 EQUIPMENT:ELECTRICAL
BMW ACTIVEHYBRID 7 2012 060000 ENGINE (PWS)
BMW X5 2012 110000 ELECTRICAL SYSTEM
BMW X5 2012 350000 EQUIPMENT
BMW X5 2012 353000 EQUIPMENT:ELECTRICAL
BMW X5 M 2012 110000 ELECTRICAL SYSTEM
BMW X5 M 2012 350000 EQUIPMENT
BMW X5 M 2012 353000 EQUIPMENT:ELECTRICAL
BMW X6 2012 110000 ELECTRICAL SYSTEM
BMW X6 2012 350000 EQUIPMENT
BMW X6 2012 353000 EQUIPMENT:ELECTRICAL
BMW X6 M 2012 110000 ELECTRICAL SYSTEM
BMW X6 M 2012 350000 EQUIPMENT
BMW X6 M 2012 353000 EQUIPMENT:ELECTRICAL
BMW 528I 2011 110000 ELECTRICAL SYSTEM
BMW 528I 2011 350000 EQUIPMENT
BMW 528I 2011 353000 EQUIPMENT:ELECTRICAL
BMW 535I 2011 110000 ELECTRICAL SYSTEM
BMW 535I 2011 350000 EQUIPMENT
BMW 535I 2011 353000 EQUIPMENT:ELECTRICAL
BMW 535I US 2011 110000 ELECTRICAL SYSTEM
BMW 535I US 2011 350000 EQUIPMENT
BMW 535I US 2011 353000 EQUIPMENT:ELECTRICAL
BMW 550I 2011 350000 EQUIPMENT
BMW 550I 2011 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW 550I 2011 060000 ENGINE (PWS)
BMW 550I 2011 110000 ELECTRICAL SYSTEM
BMW 550I 2011 350000 EQUIPMENT
BMW 550I 2011 353000 EQUIPMENT:ELECTRICAL
BMW 550I 2011 060000 ENGINE (PWS)
BMW 740I US 2011 110000 ELECTRICAL SYSTEM
BMW 740I US 2011 350000 EQUIPMENT
BMW 740I US 2011 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2011 110000 ELECTRICAL SYSTEM
BMW 750I 2011 350000 EQUIPMENT
BMW 750I 2011 353000 EQUIPMENT:ELECTRICAL
BMW ACTIVEHYBRID 7 2011 350000 EQUIPMENT
BMW ACTIVEHYBRID 7 2011 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW ACTIVEHYBRID 7 2011 060000 ENGINE (PWS)
BMW ACTIVEHYBRID 7 2011 110000 ELECTRICAL SYSTEM
BMW ACTIVEHYBRID 7 2011 350000 EQUIPMENT
BMW ACTIVEHYBRID 7 2011 353000 EQUIPMENT:ELECTRICAL
BMW ACTIVEHYBRID 7 2011 060000 ENGINE (PWS)
BMW X5 2011 350000 EQUIPMENT
BMW X5 2011 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW X5 2011 060000 ENGINE (PWS)
BMW X5 2011 110000 ELECTRICAL SYSTEM
BMW X5 2011 350000 EQUIPMENT
BMW X5 2011 353000 EQUIPMENT:ELECTRICAL
BMW X5 2011 060000 ENGINE (PWS)
BMW X5 M 2011 110000 ELECTRICAL SYSTEM
BMW X5 M 2011 350000 EQUIPMENT
BMW X5 M 2011 353000 EQUIPMENT:ELECTRICAL
BMW X6 2011 110000 ELECTRICAL SYSTEM
BMW X6 2011 350000 EQUIPMENT
BMW X6 2011 353000 EQUIPMENT:ELECTRICAL
BMW X6 ACTIVEHYBRID SAC 2011 350000 EQUIPMENT
BMW X6 ACTIVEHYBRID SAC 2011 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW X6 ACTIVEHYBRID SAC 2011 060000 ENGINE (PWS)
BMW X6 ACTIVEHYBRID SAC 2011 110000 ELECTRICAL SYSTEM
BMW X6 ACTIVEHYBRID SAC 2011 350000 EQUIPMENT
BMW X6 ACTIVEHYBRID SAC 2011 353000 EQUIPMENT:ELECTRICAL
BMW X6 ACTIVEHYBRID SAC 2011 060000 ENGINE (PWS)
BMW X6 M 2011 110000 ELECTRICAL SYSTEM
BMW X6 M 2011 350000 EQUIPMENT
BMW X6 M 2011 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2010 350000 EQUIPMENT
BMW 750I 2010 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW 750I 2010 060000 ENGINE (PWS)
BMW 750I 2010 110000 ELECTRICAL SYSTEM
BMW 750I 2010 350000 EQUIPMENT
BMW 750I 2010 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2010 060000 ENGINE (PWS)
BMW 750LI 2010 350000 EQUIPMENT
BMW 750LI 2010 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW 750LI 2010 060000 ENGINE (PWS)
BMW 750LI 2010 110000 ELECTRICAL SYSTEM
BMW 750LI 2010 350000 EQUIPMENT
BMW 750LI 2010 353000 EQUIPMENT:ELECTRICAL
BMW 750LI 2010 060000 ENGINE (PWS)
BMW 760LI 2010 110000 ELECTRICAL SYSTEM
BMW 760LI 2010 350000 EQUIPMENT
BMW 760LI 2010 353000 EQUIPMENT:ELECTRICAL
BMW X5 2010 110000 ELECTRICAL SYSTEM
BMW X5 2010 350000 EQUIPMENT
BMW X5 2010 353000 EQUIPMENT:ELECTRICAL
BMW X5 M 2010 110000 ELECTRICAL SYSTEM
BMW X5 M 2010 350000 EQUIPMENT
BMW X5 M 2010 353000 EQUIPMENT:ELECTRICAL
BMW X6 2010 350000 EQUIPMENT
BMW X6 2010 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW X6 2010 060000 ENGINE (PWS)
BMW X6 2010 110000 ELECTRICAL SYSTEM
BMW X6 2010 350000 EQUIPMENT
BMW X6 2010 353000 EQUIPMENT:ELECTRICAL
BMW X6 2010 060000 ENGINE (PWS)
BMW X6 ACTIVEHYBRID SAC 2010 350000 EQUIPMENT
BMW X6 ACTIVEHYBRID SAC 2010 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW X6 ACTIVEHYBRID SAC 2010 060000 ENGINE (PWS)
BMW X6 ACTIVEHYBRID SAC 2010 110000 ELECTRICAL SYSTEM
BMW X6 ACTIVEHYBRID SAC 2010 350000 EQUIPMENT
BMW X6 ACTIVEHYBRID SAC 2010 353000 EQUIPMENT:ELECTRICAL
BMW X6 ACTIVEHYBRID SAC 2010 060000 ENGINE (PWS)
BMW X6 M 2010 110000 ELECTRICAL SYSTEM
BMW X6 M 2010 350000 EQUIPMENT
BMW X6 M 2010 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2009 350000 EQUIPMENT
BMW 750I 2009 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW 750I 2009 060000 ENGINE (PWS)
BMW 750I 2009 110000 ELECTRICAL SYSTEM
BMW 750I 2009 350000 EQUIPMENT
BMW 750I 2009 353000 EQUIPMENT:ELECTRICAL
BMW 750I 2009 060000 ENGINE (PWS)
BMW 750LI 2009 350000 EQUIPMENT
BMW 750LI 2009 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW 750LI 2009 060000 ENGINE (PWS)
BMW 750LI 2009 110000 ELECTRICAL SYSTEM
BMW 750LI 2009 350000 EQUIPMENT
BMW 750LI 2009 353000 EQUIPMENT:ELECTRICAL
BMW 750LI 2009 060000 ENGINE (PWS)
BMW X5 2009 110000 ELECTRICAL SYSTEM
BMW X5 2009 350000 EQUIPMENT
BMW X5 2009 353000 EQUIPMENT:ELECTRICAL
BMW X6 2009 350000 EQUIPMENT
BMW X6 2009 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW X6 2009 060000 ENGINE (PWS)
BMW X6 2009 110000 ELECTRICAL SYSTEM
BMW X6 2009 350000 EQUIPMENT
BMW X6 2009 353000 EQUIPMENT:ELECTRICAL
BMW X6 2009 060000 ENGINE (PWS)
BMW X5 2008 110000 ELECTRICAL SYSTEM
BMW X5 2008 350000 EQUIPMENT
BMW X5 2008 353000 EQUIPMENT:ELECTRICAL
BMW X6 2008 350000 EQUIPMENT
BMW X6 2008 356000 EQUIPMENT ADAPTIVE/MOBILITY
BMW X6 2008 060000 ENGINE (PWS)
BMW X6 2008 110000 ELECTRICAL SYSTEM
BMW X6 2008 350000 EQUIPMENT
BMW X6 2008 353000 EQUIPMENT:ELECTRICAL
BMW X6 2008 060000 ENGINE (PWS)
BMW X5 2007 110000 ELECTRICAL SYSTEM
BMW X5 2007 350000 EQUIPMENT
BMW X5 2007 353000 EQUIPMENT:ELECTRICAL

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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 (B121015) 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.