Bumper Repair

Cracked Plastic Bumper Repair & Scuff Fix

A bumper scuff can look like a simple cosmetic issue. Behind the plastic skin, however, sits a system of clips, a foam energy absorber, a reinforcement bar, crush cans, and on most modern cars, parking sensors and ADAS radar units. A knock that looks minor on the outside can affect all of these.

Bumper Repair

What a Bumper Impact Can Affect

The outer skin is held by clips along the top edge, inside the wheel arches, and along the lower edge. When these break, the bumper pops forward or sits unevenly. A misaligned bumper no longer protects the components behind it. Behind the skin sits a foam absorber, then a steel or aluminium reinforcement bar, then crush cans designed to crumple in a controlled way during a collision. If these are compromised, the system cannot do its job in a second impact. Our bumper repair service covers the full assembly, not just the skin. For collisions involving structural components, our accident repair team can assess the wider damage.

Bumper Repair

Common Causes of Bumper and Sensor Damage

Low-speed parking impact

breaks clips and shifts parking sensors without visibly cracking the skin

Kerb or bollard contact

displaces lower bumper mounts and can push the reinforcement bar back toward the chassis

Rear-end shunt

compresses or collapses the crush cans, which need replacing after this type of impact

Stone chip or debris strike

can crack sensor housings and cause intermittent sensor faults without a direct bumper impact

Poor previous repair

incorrectly replaced clips or improperly reseated sensors leave the bumper vulnerable from the start

Bumper Repair

Parking Sensors and ADAS

Even a gentle knock can shift a parking sensor inside its housing, producing false alerts, no activation, or intermittent readings. ADAS components — radar and cameras for emergency braking, lane assist, and adaptive cruise — are more sensitive still. A unit moved even slightly from its calibrated position may not function correctly, and a dashboard warning light is usually the first sign. After any bumper repair, sensors must be checked and recalibrated where needed.

For what to look for when choosing a repairer, read our guide on finding quality bumper repair in London. For typical costs on straightforward scuff repairs, see how much bumper scuff repair costs in Essex.

Get It Looked At

If the damage was caused in a collision, our accident claim management team handles the insurance process and makes sure sensor recalibration is included in the claim. Read more on how accident claim management differs from going through your insurer.

Call 020 8798 2590 or email info@infiniti-motorgroup.co.uk.

Frequently Asked Questions

Is a cracked plastic bumper a safety risk?

Yes. A cracked or misaligned bumper cannot absorb energy correctly in a further impact. The components behind it may also be compromised even if the outer damage looks minor. Our bumper repair team inspects the full system during every assessment.

Why are my parking sensors not working after a small tap?

Even a gentle bump can shift a sensor in its housing or disconnect its wiring. It needs to be physically inspected and reseated or replaced.

What is an ADAS calibration fault?

A camera or radar unit that has moved from its calibrated position will raise a system fault. It needs professional recalibration before the system can be relied upon.

Does insurance cover sensor recalibration after a bumper repair?

In most cases, yes, if caused in an accident. Our accident claim management team ensures the full scope of repair is included in the claim.