Home › Models › F90 › Common problems

BMW F90 M5 common problems

2018–2023 · M5 / Competition / CS (S63 V8). The known weak spots of the engines used in the F90, with sources, plus the topics that come up most in BMW's service bulletins and NHTSA recalls for this chassis.

Last updated

S63 engine

M5 / Competition / CS (2018–2023) · S63 bulletins →

Oil consumption and valve stem seals

BMW's valve seal replacement bulletin covers the S63 in the X5 M and X6 M as well as the N63.

Sources: BMW SIB: N63 and S63 valve seal replacement (NHTSA)

Rod bearings, coils and injectors

Rod bearing wear is discussed on early S63s; misfires from coils and injectors and turbo coolant leaks also show up.

BMW bulletins on file for the F90:

  • SIB 01 01 21 Thermostat warranty extension Thermostat warranty extension on BMW G05/G06/G07/G11 and other models (2016–2022); BMW extended the warranty on this part for eligible cars. Warranty extension · Nov 2024
  • SIB 11 05 21 Water pump cracking Water pump cracking on BMW G05/G06/G07/G20 and other models (2017–2022); BMW repairs affected cars free under a service campaign. Service campaign · Dec 2024
  • SIB 01 17 24 Fuel injectors failure Fuel injectors failure on N63/S63 engines (2015–2021); the fix is replacing the affected part. Warranty extension · Sep 2025

Sources: BMW Tuning: S63 M5 and M6 engine problems

Most frequent bulletin topics 136 bulletins

TopicBulletinsExamples
Steering5SIB 66 24 19, SIB 36 01 21
Key fob4SIB 61 04 21, SIB 61 07 22
Instrument cluster4SIB 62 02 23, SIB 65 08 20
Radio3SIB 65 19 22, SIB 65 11 21
Fuel tank2SIB 16 04 20, SIB 16 01 23
Battery2SIB 61 05 20, SIB 61 13 05
Thermostat warranty extension1SIB 01 01 21
Water pump cracking1SIB 11 05 21

BMW service bulletins and warranty extensions filed with NHTSA that list the F90, grouped by topic. A bulletin tells technicians how to diagnose and fix a known issue; it doesn't mean every car has the problem.

NHTSA recalls by component 6

Matched from NHTSA's public recall file by model and model year. Recall repairs are free; check a VIN.

BMW warranty extensions that list the F90

  • SIB 01 17 24 Fuel injectors failure Fuel injectors failure on N63/S63 engines (2015–2021); the fix is replacing the affected part. Warranty extension · Sep 2025
  • SIB 72 04 17 Seat warranty extension Seat warranty extension on BMW F90/G01/G02/G05 and other models (2016–2022); BMW extended the warranty on this part for eligible cars. Warranty extension · Jun 2025
  • SIB 01 08 21 Fuel tank leak check warranty extension Fuel tank leak check warranty extension on BMW G01/G02/G05/G06 and other models (2020); BMW extended the warranty on this part for eligible cars. Warranty extension · Dec 2024
  • SIB 01 01 21 Thermostat warranty extension Thermostat warranty extension on BMW G05/G06/G07/G11 and other models (2016–2022); BMW extended the warranty on this part for eligible cars. Warranty extension · Nov 2024
  • SIB 32 02 23 Steering warranty extension Steering warranty extension on BMW G05/G06/G07/G11 and other models (2015–2024); BMW extended the warranty on this part for eligible cars. Service bulletin · Jan 2024
  • SIB 66 03 21 Radio warranty extension Radio warranty extension on BMW G11/G12/G30/G31 and other models (2016–2021); BMW extended the warranty on this part for eligible cars. Service bulletin · May 2021

If a car qualifies, the listed repair may be free. Check eligibility for the VIN with a BMW center.

Sources: BMW service bulletins and recalls filed with NHTSA (public data) and the specialist and owner write-ups linked above. Not affiliated with BMW.

Want a heads-up when prices or bulletins change for your F90?

About one short email a week, with BMW news. Unsubscribe anytime.