TSB: BMW 1 SERIES M, 128I, 135I, 3 SERIES, 320I, 320XI, 328, 328D, 328I, 328XI, 335, 335I, 335IS, 335XI, 528I, 528XI, 530I, 535I, 535XI, 550I, 550XI, 640I, 650I, 740I, 740LI, 740LXI, 750I, 750LI, 750LXI, 750XI, 760LI, ACTIVEHYBRID 3, ACTIVEHYBRID 5, ACTIVEHYBRID 7, C600 SPORT MAXI-SCOOTER, C650 GT MAXI-SCOOTER, C650 SPORT MAXI-SCOOTER, F 700 GS, F 800 GS, F700 GS, F800 GS, F800 GS ADVENTURE, F800 GT, F800 R, G 650 GS, G 650 GS SERATO, G650GS, G650GS SERTAO, HP4, I8, K 1300 S, K 1600 GT, K 1600 GTL, K1300 S, M3, M5, M6, R 1200 GS, R 1200 GS ADVENTURE, R 1200 R, R 1200 RT, R1200 GS, S 1000 RR, S1000 RR, X1, X1 SAV, X3, X5, X5 SAV, X6, X6 SAC, X6 SAV, Z4 (2013–2019)
Bulletin B170318 — August 1, 2018
Bulletin Details
| Bulletin ID | B170318 |
| Manufacturer | BMW |
| Models | 1 SERIES M, 128I, 135I, 3 SERIES, 320I, 320XI, 328, 328D, 328I, 328XI, 335, 335I, 335IS, 335XI, 528I, 528XI, 530I, 535I, 535XI, 550I, 550XI, 640I, 650I, 740I, 740LI, 740LXI, 750I, 750LI, 750LXI, 750XI, 760LI, ACTIVEHYBRID 3, ACTIVEHYBRID 5, ACTIVEHYBRID 7, C600 SPORT MAXI-SCOOTER, C650 GT MAXI-SCOOTER, C650 SPORT MAXI-SCOOTER, F 700 GS, F 800 GS, F700 GS, F800 GS, F800 GS ADVENTURE, F800 GT, F800 R, G 650 GS, G 650 GS SERATO, G650GS, G650GS SERTAO, HP4, I8, K 1300 S, K 1600 GT, K 1600 GTL, K1300 S, M3, M5, M6, R 1200 GS, R 1200 GS ADVENTURE, R 1200 R, R 1200 RT, R1200 GS, S 1000 RR, S1000 RR, X1, X1 SAV, X3, X5, X5 SAV, X6, X6 SAC, X6 SAV, Z4 |
| Model Years | 2013–2019 |
| Date Issued | August 1, 2018 |
| Date Added to NHTSA | May 17, 2021 |
| Component | ENGINE AND ENGINE COOLING |
| Vehicles Affected | 82 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
Butt connector for repairing a plug connection. The ?top up coolant? message is displayed in the central display (CC message ID 166). When checking the cooling system there are no leaks found and the expansion tank is filled to the proper l
Affected Vehicles
| Make | Model | Year | Component |
|---|---|---|---|
| BMW | I8 | 2019 | 060000 ENGINE AND ENGINE COOLING |
| BMW | I8 | 2019 | 118000 ELECTRICAL SYSTEM:SOFTWARE |
| BMW | I8 | 2017 | 060000 ENGINE AND ENGINE COOLING |
| BMW | I8 | 2017 | 118000 ELECTRICAL SYSTEM:SOFTWARE |
| BMW | I8 | 2016 | 060000 ENGINE AND ENGINE COOLING |
| BMW | I8 | 2016 | 118000 ELECTRICAL SYSTEM:SOFTWARE |
| BMW | I8 | 2015 | 060000 ENGINE AND ENGINE COOLING |
| BMW | I8 | 2015 | 118000 ELECTRICAL SYSTEM:SOFTWARE |
| BMW | I8 | 2014 | 118000 ELECTRICAL SYSTEM:SOFTWARE |
| BMW | I8 | 2014 | 060000 ENGINE AND ENGINE COOLING |
| BMW | 1 SERIES M | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 128I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 135I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 3 SERIES | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 320I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 320XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 328 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 328D | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 328I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 328XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 335 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 335I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 335IS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 335XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 528I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 528XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 530I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 535I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 535XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 550I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 550XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 640I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 650I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 740I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 740LI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 740LXI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 750I | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 750LI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 750LXI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 750XI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | 760LI | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | ACTIVEHYBRID 3 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | ACTIVEHYBRID 5 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | ACTIVEHYBRID 7 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | C600 SPORT MAXI-SCOOTER | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | C650 GT MAXI-SCOOTER | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | C650 SPORT MAXI-SCOOTER | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F 700 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F 800 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F700 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F800 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F800 GS ADVENTURE | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F800 GT | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | F800 R | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | G 650 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | G 650 GS SERATO | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | G650GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | G650GS SERTAO | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | HP4 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | K 1300 S | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | K 1600 GT | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | K 1600 GTL | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | K1300 S | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | M3 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | M5 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | M6 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | R 1200 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | R 1200 GS ADVENTURE | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | R 1200 R | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | R 1200 RT | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | R1200 GS | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | S 1000 RR | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | S1000 RR | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X1 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X1 SAV | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X3 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X5 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X5 SAV | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X6 | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X6 SAC | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | X6 SAV | 2013 | 110000 ELECTRICAL SYSTEM |
| BMW | Z4 | 2013 | 110000 ELECTRICAL SYSTEM |
Related BMW Recalls
What Should You Do?
If your vehicle is affected by this TSB, contact your authorized BMW dealer. Bring this bulletin ID (B170318) 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.