BMW 4 Series Wing Mirror: Specs, Fitment & Common Faults
On the 4 Series, an official BMW bulletin covering related models genuinely explains a power-fold mirror's home position can shift and get incorrectly stored, with the official correction saying not to replace any parts.
Illustration for editorial purposes
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BMW 4 Series Wing Mirror: OEM Part Number
BMW 4 Series Wing Mirror: More Electronics Hiding Inside Than Most People Realise
There's more inside the BMW 4 Series's wing mirror than the glass suggests: folding motors, heating elements, indicator lights, and on some cars, blind-spot sensors are all commonly built in, which is why a "faulty mirror" complaint can mean several genuinely different problems.
BMW 4 Series Wing Mirror: Driver's Side or Passenger Side? Sorting Out the Terminology
Before ordering a BMW 4 Series wing mirror, it's worth double-checking which side you actually need — listings use inconsistent terminology across UK retailers and parts catalogues, and the wrong choice is an easy, avoidable mistake. For right-hand-drive UK cars:
- Driver's side = right-hand (RH) = offside (OS) — the side closest to the centre of the road.
- Passenger side = left-hand (LH) = nearside (NS) — the side closest to the kerb.
Part listings may use any of these terms interchangeably — "RH mirror," "offside mirror," and "driver's side mirror" all refer to the same physical part on a UK-spec 4 Series. Double-check which convention your supplier is using before ordering, since a mix-up here is one of the most common reasons the wrong mirror turns up.
BMW 4 Series Wing Mirror: What It Does
Beyond the obvious job of rear visibility, modern wing mirrors on higher trims of the 4 Series often integrate turn signal repeaters, puddle lights, heating elements to clear condensation, and power-fold motors for tight parking spaces. Higher-spec versions may also house blind-spot monitoring sensors, making them considerably more expensive to replace than a basic mirror.
BMW 4 Series Wing Mirror: Generations, Derivatives, Colour & Mirror Adjustment
| Standard trims | Alpine White (no-cost), Jet Black, Black Sapphire, Mineral Grey; electric adjustment is standard on most trims from this generation, with heated glass increasingly common too — though the most basic specification may still be manual; confirm your exact trim |
|---|---|
| M4 | Isle of Man Green and Toronto Red are popular performance-trim shades; electric adjustment and heated glass are standard on this trim |
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Confirmed: A Genuine Official Bulletin Worth Knowing About — BMW 4 Series Wing Mirror
If a power-fold mirror appears to be sitting further out than it should when folded away, this is genuinely worth knowing: an official BMW service bulletin covering related models explains this can be caused by the mirror's stored home position genuinely shifting outward over time. Simply folding the mirror in and out repeatedly does not correct this, and the official bulletin explicitly states that no parts should be replaced for this specific fault.
It's also genuinely worth knowing that not every car of this model necessarily has the electric mirror fold-in feature fitted at all, since this was an optional extra chosen at the time of original order.
BMW 4 Series Wing Mirror: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Wing Mirror Guide for common faults to check for, confirming the exact spec against your VIN, how difficult this job is to DIY, and aftermarket advice.
More BMW Wing Mirror
The same part, covered across other BMW models.