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BMW F80 M3 common problems
2015–2018 · M3 (incl. Competition, CS) (S55). The known weak spots of the engines used in the F80, with sources, plus the topics that come up most in BMW's service bulletins and NHTSA recalls for this chassis.
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S55 engine
M3 (incl. Competition, CS) (2015–2018) · S55 bulletins →
Crank hub slip
The S55's friction-fit crankshaft hub can rotate under big torque spikes (especially on tuned cars), knocking timing out. Upgraded keyed or pinned hubs are the common fix.
BMW bulletins on file for the F80:
- SIB 12 23 19 Catalytic converter no-start Catalytic converter no-start on BMW E60/E90/E92/E93 and other models (2009–2019); BMW gives an inspection and repair procedure. Service bulletin · Jul 2019
Sources: Litchfield: F8x crank hub issue · Lang Racing: S55 crank hub
Charge pipe cracks
The factory plastic charge pipes crack, causing boost leaks and limp mode.
Most frequent bulletin topics 137 bulletins
| Topic | Bulletins | Examples |
|---|---|---|
| Steering | 6 | SIB 66 24 19, SIB 36 01 21 |
| Axle | 4 | SIB 34 09 21, SIB 31 03 18 |
| Battery | 3 | SIB 61 13 05, SIB 61 27 17 |
| Radio | 3 | SIB 65 06 17, SIB 65 07 17 |
| Axle ticking | 2 | SIB 34 05 15, SIB 34 08 14 |
| Differential humming | 2 | SIB 33 03 18, SIB 33 01 19 |
| Differential new-car delivery hold | 2 | NHTSA 10147047, NHTSA 10147048 |
| Telematics unit | 2 | SIB 84 02 21, SIB 84 01 21 |
BMW service bulletins and warranty extensions filed with NHTSA that list the F80, 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 4
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 F80
- SIB 31 01 24 Strut warranty extension Strut warranty extension on BMW G01/G02/G80/G81 and other models (2015–2024); BMW extended the warranty on this part for eligible cars. Service bulletin · Jan 2024
- NHTSA 10212779 Component and Issue Specific Limited Emission Warranty Extension Component and Issue Specific Limited Emission Warranty Extension on BMW G20/E90/E92/E93 and other models (2012–2021); BMW extended the warranty on this part for eligible cars. Service bulletin · Apr 2022
- SIB 64 06 13 Air conditioning warranty extension Air conditioning warranty extension on BMW G20/E90/E92/E93 and other models (2012–2021); BMW extended the warranty on this part for eligible cars. Service bulletin · Nov 2021
- SIB 01 11 16 Fuel tank leak check warranty extension Fuel tank leak check warranty extension on S55 engines (2015); BMW extended the warranty on this part for eligible cars. Service bulletin · Aug 2016
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.