Car Parts Guide
FRONT BUMPER BMW 3 Series (2019– G20) · PARTS GUIDE

BMW 3 Series Front Bumper: Fitment, Sensors & Common Damage

A genuinely alarming, honest account: a dealer's "stone impact" diagnosis, typically not covered under warranty, was quoted at £345 to replace a single parking sensor — a genuinely working replacement was sourced for around £30.

Generation covered: this guide is for the seventh-generation 3 Series (G20 platform, 2019–present), with particular focus on 2019–2023 registered examples now old enough for parts to be a common search. The previous F30 generation (2012–2019) uses different part numbers throughout — check your logbook or VIN if you're unsure which generation you have.
Illustration of a car bumper Illustration for editorial purposes
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More Than Just a Plastic Panel

Even a low-speed knock to the BMW 3 Series's front bumper can be more involved to fix than it looks, since it usually integrates parking sensors, adaptive cruise radar, and fog light housings — all needing attention beyond a plain panel replacement.

Before you buy: bumper specification varies significantly by trim, particularly around parking sensor cutouts, radar mounting points and fog light provisions. Always confirm against your VIN before ordering.

OEM Part Number: confirm via VIN — front bumper (aftermarket) Prasco BM0341020

Accuracy note: Covers the BMW 3 Series (F30 2012-2019) as listed in the UK aftermarket catalogues. A front bumper is a body-coloured plastic skin, so what you buy is a primed cover that still needs painting to your paint code, and the right one depends on body style, trim, facelift date and the holes moulded into it for parking sensors, fog lights, headlamp washers or a tow eye cover. A cover without the right holes cannot be drilled accurately at home. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with the fitment details the catalogue gives; carmakers rarely publish the genuine number against these, so order a genuine cover against your VIN if you want a guaranteed match. The splitters, outer sections and trims listed separately are the parts most often sold on their own after a car-park knock.
Front bumper covers (aftermarket)Prasco BM0341020 (primed, with parking sensor holes, LUXURY LINE trim); Prasco BM0341010 (primed, with parking sensor holes, LUXURY LINE trim); Prasco BM0341001 (primed); Prasco BM0341011 (primed, with parking sensor holes); Prasco BM0341030 (primed, with parking sensor holes, LUXURY LINE trim)
Splitters, outer sections & trimsNone listed separately
Genuine (OE) numbers quotedNone 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 notesMatch 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.

M Sport and M340i models use a genuinely different front bumper design with larger air intakes than standard SE/Sport trims — these aren't interchangeable even within the same generation. Cars fitted with parking sensors or a front camera also need a bumper cover with the correct cutouts pre-moulded, so confirm your exact trim and equipment level before ordering.

BMW 3 Series Front Bumper: What It Does

Beyond absorbing minor impacts, the front bumper on higher trims of the 3 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 3 Series Front Bumper: Watch: Replacing It

🎬 Watch: M SPORT Front Bumper Conversion + Front Lip on a BMW G20 330i

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BMW 3 Series Front Bumper reference plate

BMW 3 Series Front Bumper: Generations, Derivatives & Colour

E90/E91/E92/E93 (2005–2013), standard trimsAlpine White, Black Sapphire, Titan Silver, Le Mans Blue
F30/F31/F34 (2012–2019), standard trimsAlpine White, Black Sapphire, Mediterranean Blue, Melbourne Red
F30 M SportEstoril Blue and Sunset Orange were M Sport-specific shades; different lower bumper with larger air intakes than standard trim
G20/G21 (2019–present), standard trimsAlpine White, Black Sapphire, Mineral Grey, Portimao Blue
G20 M SportTanzanite Blue and Dravit Grey are current M Sport-specific shades; different front bumper with larger air intakes than standard trim
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A Genuinely Alarming, Honest Real Account Worth Knowing — BMW 3 Series Front Bumper

If a parking sensor has failed and a dealer has diagnosed it as stone impact damage, this is genuinely worth knowing: this specific diagnosis typically isn't covered under warranty, since it's treated as damage from road debris rather than a genuine component failure. One documented UK case saw a dealer quote £345 to supply and fit a single replacement sensor, or £220 to supply the part alone — the owner instead sourced a genuinely working, tested used sensor from eBay for around £30, with the fitting itself described as reasonably straightforward once the front bumper is off, though a couple of closely spaced bolts in the wheel arch can be genuinely awkward to reach. Worth shopping around for a used or aftermarket sensor before accepting a dealer's parts price, given how significant this price difference can be.

A genuinely useful diagnostic technique worth trying first: with the ignition on and the car in reverse, putting your ear close to each sensor should reveal a faint clicking sound from every working sensor — the one that stays silent is the faulty one, worth identifying this yourself before paying a dealer simply to tell you which sensor needs replacing.

It's also genuinely worth knowing that a single faulty sensor will usually disable the entire parking sensor system, displaying a general malfunction message rather than pointing to the specific sensor at fault.

BMW 3 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.