Ford B-Max Front Bumper: Fitment, Sensors & Common Damage

Water ingress behind the bumper is a well-documented Ford weak point for parking sensors — worth checking before assuming a costly module replacement.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: we weren't able to verify a confident Ford B-Max front bumper part number at the time of writing. Please confirm the correct part via a Ford dealer or parts specialist using your VIN.

A Flashing Parking Sensor Button Is Often About Water, Not a Failed Sensor

If your parking sensors have stopped working — commonly showing as a constantly flashing button on the dash, or a beep that doesn't correspond to any real proximity warning — water getting into the sensors or the parking aid control module behind the bumper is a genuinely well-documented Ford weak point, not a rare or unusual fault. Before assuming the worst, it's worth trying the simple fix first: cleaning the sensors themselves and gently drying any moisture from around the bumper mounting points, since this alone resolves a meaningful share of these cases without any parts needing replacement.

Realistic cost expectations if it's genuinely a failed module: a specific fault code — B1299 (Power Supply Sensor Circuit Short To Ground) — has been documented on affected Fords, typically pointing to a failed parking aid control module rather than the sensors themselves. UK repair costs for parking sensor faults average in the £110-155 range according to national repair comparison data, though a full control module replacement can run higher — one documented case cost just over £300 once traced to the module specifically.

More Than Just a Plastic Panel

Modern front bumpers routinely integrate parking sensors, adaptive cruise control radar, and fog light housings, which means replacing one after even minor impact damage often involves more than a straightforward swap.

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.

What It Does

Beyond absorbing minor impacts, the front bumper on higher trims of the B-Max 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.

Fitment & Compatibility

Bumper design and sensor provisions differ between generations and trims of the B-Max — a bumper from a lower trim without adaptive cruise control won't have the correct radar mount or wiring for a car specced with it. Always confirm the exact trim-specific part before ordering, ideally against your VIN. Whether you're sourcing a replacement front bumper for your Ford B-Max from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying.

Common Damage

What to Look For

Cracks or splits from low-speed impacts — common in car parks and tight manoeuvring, particularly on lower front splitters.
Scuffs and paint transfer — usually cosmetic, often repairable without full replacement.
Damaged or missing parking sensors — can occur even when the bumper itself looks undamaged, worth testing separately.
Adaptive cruise control fault after a knock — can indicate the radar sensor behind the bumper has been knocked out of alignment, needing recalibration even if the bumper itself looks fine.

DIY Replacement Difficulty

This is a moderate DIY job for a straightforward swap, typically involving removing wheel arch liner clips and a handful of fasteners underneath and behind the grille. Cars with adaptive cruise control radar or parking sensors add a wiring and calibration step, best left to a garage with the right diagnostic equipment. Expect 1–2 hours for a car without sensors, longer if radar recalibration is needed.

OEM vs. Aftermarket

Reputable aftermarket bumpers are a reasonable, often significantly cheaper alternative to OEM parts, though panel fit and paint match quality can vary between brands. For bumpers with integrated radar or sensors, OEM is the safer choice to avoid compatibility or calibration issues with your car's driver assistance systems.

More Ford Front Bumper Guides

The same part, covered across other Ford models.