Bmw 5 Series Brake Rotor Thickness Minimum

Refer to the minimum rotor thickness chart below while measuring. That is the spec BMW lists.

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This tech article will go over.

Bmw 5 series brake rotor thickness minimum. Which in turn means the absolute safety limit of rotor thickness is probably about 188mm front and 158mm rear for 323325328 - add 3mm for 330. As the rotor reaches its minimum thickness the braking distance increases sometimes up to 4 meters. To put it another way the BMW rotors and pads are designed in such a way that if you reuse the rotors at minimum thickness your pad wear sensor will go off before your rotors get too thin.

184mm 072 in 224mm 072 in. Brake rotor minimum thickness. Disc Brake Rotor Minimum Thickness also known as Scrap Thickness is the minimum safe working thickness of a rotor at which it must be replaced.

If the problem is found early a mechanic can turn resurfacemachine the rotor and remove the damaged surface while still leaving the minimum rotor thickness. The rotor now measures 53 mm. From experience when you buy a new rotor it is about 2mm thicker than minimum and by the time pads are gone there is not much left on the rotor or it is JUST below minimum.

The recommended minimum thickness of brake pad lining front and rear is 20 mm. EBC Stage 5 Super Street Dimpled and Slotted Brake Kit. Im showing about 42- 43 on the fronts and 47-49mm on the rear so looks ok.

On the M Sport discs they start 30mm thick and recommended minimum is 286mm. 58000 Km since new and Im not a squid rider so brake wear has been light. 305mm diameter thickness 5mm minimum thickness 45mm.

These values are stamped on the rotors AND in the manual. Meanwhile I have a nasty brake squeal problem which is apparently normal on M5s. This will be in area of hat or hub flange.

Get superior benefits of ceramic pads and cross-drilled rotors in the Power Stop 1-Click Brake kit. The articles refer to 224 for a normally aspirated car but 20mm seems to be the thickness for new rear rotors in your store. For all models this disc is attached to the wheel using 5 each of screw BRA32329 washer BRA14888 and roll pinbobbin BRA14887 plus the mount washers BRA97387 BRA70217 and BRA82434 as appropriate.

If the warning signs are ignored the rotor can become so damaged that it wears to an unsafe thickness that compromises your braking. When you visit a professional technician your brake pads will be checked for thickness using a special brake lining thickness gauge. They told me even if the front rotors are below the 344mm thickness they dont replace unless say the brake pads are worn.

These components are used in street performance. 34117670019 34 11 7 670 019 Larger Image. The CD manual I have says 40mm for the front and 45mm for the rear is the minimum 45mm and 50mm new thickness.

Followup from the Pelican Staff. Clean rust away from rotor to uncover specs. Discussion Starter 6 Apr 5 2016.

I cant find a minimum thickness spec on the rotor itself though the aluminum had a nice white corroded finish that even when removed has obscured any markings that were once present on the hub. This tool has three different colors representing the varying amount of thickness. See our tech article on jacking up your vehicle.

January 25 2017. Brake pad replacement is a part of any professional brake system check. 5 6 Series F10 F11 F12 F13 2010 - on R DBA3291 345 69 24 224 6 Series E64 2002 - 2007 F DBA3292 348 771 30 284 X1 Series E84 2009 - 2015 F DBA2886 312 735 24 224.

For my 06 RT I am doing a brake fluid flush and just checking my rotors. Lift axle of vehicle you are measuring brake rotors on. Continued operation at or below Rotor Minimum Thickness can lead to Brake system failure.

Počet řádků 4 This minimum thickness is stamped on the edge of the rotor. 18294 - 216971 Save. 1 - 6 of 6 Posts.

When my pads had worn out the discs were 293mm so they had exactly enough left for the full life of another set of pads. I would give the part specialists a call the listing may be displayed wrong or different for your model. My 520D F10 60 plate is in the BMW dealer at the momentParked it in an airport carpark for two weeks while on holiday came back and the brakes are feeling rather strange lot of judder under brakingBooked it in and they just sent me an email telling me.

Hi - would you please clarify the rear rotor minimum thickness. The fronts on my K1100LT show 45mm minimum thickness rear shows 46mm minimum. So I am just wondering why are new rotors needed every time the brake pads are changed cant the rotors be resurfaced and still work even if it 1mm less than the spec.

However it is not recommended to wait until the warning light goes on since only one brake pad wear sensor is mounted for each axle.

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