BMW X3 Rear Bumper: Fitment, Sensors & Common Damage

A genuinely alarming, real safety finding: with an uncoded aftermarket towbar fitted, the parking sensors can genuinely detect a trailer as a hazard, causing the car to brake hard and stop suddenly after reversing just a short distance.

Generation covered: this guide is for the third-generation X3 (G01, 2018–present), with particular focus on 2018–2023 registered examples now old enough for parts to be a common search. Check your logbook or VIN if you're unsure which generation you have.

Illustration for editorial purposes

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OEM Part Number: confirm via VIN — rear bumper (aftermarket) Prasco BM8081050

Accuracy note: Covers the BMW X3 (G01 2017 on) as listed in the UK aftermarket catalogues. A rear 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, facelift date and the holes moulded into it for parking sensors, a tow bar cut-out or exhaust trims — a cover without the sensor 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 lower sections, corner pieces and trims listed separately are the parts most often sold on their own after a car-park knock.

Rear bumper covers (aftermarket)	Prasco BM8081050 (Rear, for vehicles with parking sensors, primed); Prasco BM8081070 (Rear, for vehicles with parking sensors, primed); Prasco BM8081060 (Rear, for vehicles with parking sensors, primed); Prasco BM8081071 (Rear, primed, with holes for park assist); Prasco BM8081051 (Rear, primed, with holes for park assist); Prasco BM8081061 (Rear, primed, with holes for park assist)
Lower sections, corners & trims	Jumasa 25140582 (Rear, Upper, primed, with holes for trim/protective strip, without holes for parking sensors); Jumasa 25240582 (Rear, Upper, primed, with holes for trim/protective strip, with holes for parking sensors); Jumasa 25040582 (Rear, Upper, primed, without holes for parking sensors)
Genuine (OE) numbers quoted	None quoted in the catalogue listings — the genuine cover varies by body style, parking sensors and tow bar, so order it against your VIN
Fitment notes	Match body style, facelift date and the holes for parking sensors or exhaust trims; covers come primed and need painting to your paint code before fitting.

BMW X3 Rear Bumper: More Than Just a Plastic Panel

The BMW X3's rear bumper carries more hardware than older cars used to — parking sensors, a reversing camera housing, occasionally exhaust trim finishers — which is exactly why even a minor kerb knock can mean more than just ordering a replacement panel.

Before you buy: bumper specification varies significantly by trim, particularly around parking sensor cutouts and camera housings. Always confirm against your VIN before ordering.

BMW X3 Rear Bumper: What It Does

Beyond absorbing minor impacts, the rear bumper on higher trims of the X3 often houses parking sensors, a reversing camera, and sometimes integrated exhaust finishers. A bumper that looks compatible can still be missing the correct cutouts or wiring provisions for your specific trim's equipment.

BMW X3 Rear Bumper: Watch: Replacing It

🎬 Watch: BMW X3 (G01) Abnehmbare Anhängekupplung Teil 1 Rückleuchten und Stoßstange demontieren (non-English)

Watch on YouTube ↗

German towbar-fit video, part 1 removes tail lights and rear bumper on G01

BMW X3 Rear Bumper: Generations & Colour

Standard trims	Alpine White (no-cost), Black Sapphire, Mineral White, Phytonic Blue
X3 M/M Sport	Toronto Red and Isle of Man Green are popular performance-trim shades; the rear bumper is also styled differently on this trim

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A Genuinely Alarming, Real Safety Finding Worth Knowing — BMW X3 Rear Bumper

If a towbar has just been fitted by an aftermarket installer without any accompanying coding work, this is genuinely important to know: the rear parking sensors and reversing camera can genuinely detect an attached trailer as a hazard, since the car has no way of knowing a trailer is deliberately present rather than an obstacle. One documented case saw the car apply the brakes hard and stop suddenly after reversing only a short distance with a trailer attached, caused by the automatic emergency braking function built into the parking assistance system reacting to what it perceived as an imminent collision. It's genuinely worth knowing this specific braking function can be manually disabled through the iDrive settings menu, worth doing this before towing anything if your towbar installation didn't include proper coding to recognise the trailer automatically.

A genuinely useful finding worth knowing about aftermarket towbar kits: not all aftermarket towbar electrics kits behave the same way when a trailer is connected — one documented case saw the parking sensors correctly switch off as expected, but the rear reversing camera remained active regardless, worth checking exactly how your specific kit behaves rather than assuming full functionality.

It's also genuinely worth knowing that checking your car's specific option codes against its VIN can confirm whether a genuine reversing camera was actually fitted from the factory, rather than assuming based on menu icons alone, which can sometimes appear even without the underlying hardware being present.

BMW X3 Rear Bumper: Common Damage, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Rear Bumper Guide for common damage types, confirming fitment (body style and sensor equipment matter here), and OEM vs aftermarket guidance.

More BMW Rear Bumper

The same part, covered across other BMW models.