Ford B-Max Brake Discs: Specs, Fitment & Wear Symptoms
A vibrating steering wheel after a brake job almost certainly isn't genuine disc warping — here's the real, more common cause.
Illustration for editorial purposes
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Ford B-Max Brake Discs: OEM Part Number
| Front discs, all variants | 278mm diameter, vented, 23mm thickness |
|---|---|
| Rear discs, all variants | 296mm diameter |
Ford B-Max Brake Discs: The Part That Pads Depend On
On the Ford B-Max, it's a paired system: let either one wear too far and the other suffers for it, which is why so many "just a pad change" jobs end up including discs once a mechanic actually looks.
Before Assuming Your Discs Have Warped, Read This
A vibrating steering wheel under braking gets blamed on warped discs more often than any other cause — but in the large majority of cases, the discs haven't actually bent from heat at all. What's really happening is Disc Thickness Variation (DTV), uneven pad material deposits building up across the disc surface, often during the bedding-in period after a fresh fit, producing the same pulsing sensation as genuine warping. Bedding in new discs and pads gradually, avoiding hard braking in the first few hundred miles, measurably reduces the risk of this developing in the first place.
Ford B-Max Brake Discs: What They Do
Brake discs provide the surface the brake pads clamp against to slow the car, converting momentum into heat through friction. Larger, sportier trims of the B-Max typically use bigger discs than standard versions to handle the additional heat generated by more aggressive braking.
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Ford B-Max Brake Discs: Wear Symptoms, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Brake Discs Guide for warning signs to watch for, confirming fitment against your VIN, and choosing a reliable aftermarket disc.
More Ford Brake Discs
The same part, covered across other Ford models.