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Official recall record

BMW Z4 — Replace the Engine Starter Motor

DVSA (UK) · 2026-03-02 · United KingdomSafety recall
Issuing authority
DVSA (UK)
Alert date
2026-03-02
Country of alert
United Kingdom
Alert level
Safety recall
Alert type
recall
Brand on record
BMW

What the authority reported

The Safety Recall relates to the engine starter motor. The fault relates to the RSW22 starter RWT (reinforced water tightness). It was found that with RWT starters an increased abrasion of the magnetic contact can cause the growth of deposits at the lowest point of the relay interior. This in turn may increase the relay contact resistance resulting in false starts or even causing short circuits and possibly a thermal reaction. In case of a short circuit the possibility of a thermal event cannot be excluded. This may happen while attempting to start the vehicle or while driving due to vibrations causing a short circuit due to moving deposits. Remedy: On the affected vehicles the starter motor will be replaced with a variant by another supplier with a different design. Until the repair has been completed it is recommended to not leave the vehicle running unattended after starting the engine.

What to do

Follow the instructions in the official notice — recall remedies (refund, repair, replacement, or disposal) are defined by the issuing authority and the responsible business, and they differ per recall. Do not rely on summaries, including this one.

Verify at the source: DVSA (UK) — official record →
Record last checked against the registry on 2026-09-28.

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