BMW 4 Series Front Bumper: Fitment, Sensors & Common Damage
On the 4 Series, a dealer's stone impact diagnosis genuinely typically isn't covered under warranty, and a working used sensor can often be sourced more cheaply.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — front bumper (aftermarket) Prasco BM0321010 / Van Wezel 0624570
| Front bumper covers (aftermarket) | Prasco BM0321010 (primed, with parking sensor holes, with headlamp washer holes, M trim); Prasco BM0321040 (primed, with parking sensor holes, M trim); Van Wezel 0624570 (primed, with parking sensor holes, BASIC trim); Diederichs 1245150 (primed, with parking sensor holes, with headlamp washer holes); Diederichs 1245451 (with parking sensor holes, with headlamp washer holes) |
|---|---|
| Splitters, outer sections & trims | None listed separately |
| Genuine (OE) numbers quoted | None quoted in the catalogue listings — the genuine cover varies by body style, trim, parking sensors and fog lights, so order it against your VIN |
| Fitment notes | Match body style, trim, facelift date and the holes for parking sensors, fog lights and washer jets; covers come primed and need painting to your paint code before fitting. |
BMW 4 Series Front Bumper: More Than Just a Plastic Panel
There's more hidden in the BMW 4 Series's front bumper than most people expect: parking sensors, adaptive cruise control radar, and fog light housings are all routinely integrated, complicating what would otherwise be a simple replacement after minor impact damage.
BMW 4 Series Front Bumper: What It Does
Beyond absorbing minor impacts, the front bumper on higher trims of the 4 Series often houses parking sensors, the radar sensor used for adaptive cruise control, and fog lights. A bumper that looks compatible can still be missing the correct cutouts or mounting provisions for your specific trim's equipment.
BMW 4 Series Front Bumper: Watch: Replacing It
BMW 4 Series Front Bumper: Generations & Colour
| Standard trims | Alpine White (no-cost), Jet Black, Black Sapphire, Mineral Grey |
|---|---|
| M4 | Isle of Man Green and Toronto Red are popular performance-trim shades; significantly different front bumper with larger air intakes than standard trim |
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A Genuinely Useful Piece of Context Worth Knowing About Parking Sensor Faults — BMW 4 Series Front Bumper
If a parking sensor has failed and a dealer has diagnosed stone impact damage, this is genuinely worth knowing: this specific diagnosis typically isn't covered under warranty, and a genuinely working used or aftermarket replacement sensor can often be sourced considerably more cheaply than a dealer's own parts price on related models.
It's also genuinely worth knowing that a persistent parking sensor fault has, in documented cases, survived recalibration, software updates, and even a brand new sensor, with the actual underlying cause ultimately turning out to be the wiring harness itself.
BMW 4 Series Front Bumper: Common Damage, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Front Bumper Guide for common damage types to check for, confirming fitment against your VIN, and the sensor-calibration risk with cheap aftermarket covers.
More BMW Front Bumper
The same part, covered across other BMW models.