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SIB 31 04 14: Axle bolt torque check
Axle bolt torque check on BMW I12/I15 models (2014–2015); BMW explains the cause and the approved repair.
BMW service bulletin · NHTSA ID 10149362 · Oct 2014 · also written SI B31 04 14, B310414
What it covers
A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.
Service Action: Retorque Stiffening Plate Bolts on Front and Rear Axle. On the front and rear axle stiffening plate bolts, the intended tightening torque may not have been reached during assembly.
Details
| Bulletin number | SIB 31 04 14 Also written: SI B31 04 14, B310414, 31 04 14, SIB-31-04-14, SI B310414 |
|---|---|
| NHTSA ID | 10057530, 10149362 (revisions) |
| Document IDs filed | 310414, SIB-31-04-14 |
| Type | Service bulletin |
| Date | |
| Models | I8 |
| Model years | 2014–2015 |
| Chassis | I12, I15 |
| Engines | B38 |
| Component (NHTSA) | Equipment Adaptive/Mobility Suspension |
Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.
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Before you pay, check the VIN for recalls. Some failures are covered by a safety recall or a BMW warranty extension.
Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.