Loading...

Bmw 633Csi Disc Brake Caliper Guide Bushing Kits

Bmw 633Csi Disc brake caliper guide bushing kits

Starting at $26.95, AutoBuffy stocks 1 disc brake caliper guide bushing kits from URO. These small rubber-sleeved metal sleeves let the caliper slide freely so brake pads wear evenly and release cleanly. When they seize or crack, the caliper binds, causing uneven pad wear, pulling, and premature rotor damage.

Signs your Bmw 633Csi needs new disc brake caliper guide bushing kits

  • Brake pedal pulls the steering wheel to one side during normal stops
  • One brake pad worn significantly thinner than its partner on the same axle
  • Grinding or squealing that continues briefly after releasing the brake pedal
  • Caliper bracket feels hot to the touch compared to the opposite wheel after a short drive
  • Visible rust, corrosion, or torn rubber boots on the guide pin sleeves during a visual inspection
  • Brake drag or a slight resistance felt while coasting with no pedal pressure applied

Which disc brake caliper guide bushing kit should you buy for your Bmw 633Csi?

The main decision is material quality and kit completeness. A full kit should include the bushings, sleeves, boots, and grease needed for one axle. Skimping on rubber quality leads to early cracking, especially in climates with extreme heat or road salt exposure.

OE-Equivalent Kit
Best for
Drivers who want factory-matched fitment and lifespan
What you get
EPDM rubber boots, steel sleeves, and pre-measured brake caliper grease packet sized for the application
Heavy-Duty / Extended-Life Kit
Best for
High-mileage vehicles, tow/hauling use, or frequent city stop-and-go driving
What you get
Upgraded silicone boots rated for higher heat, thicker-walled steel bushings, and larger grease supply
Front Axle Kit
Best for
Replacing only the front calipers' hardware after front pad and rotor service
What you get
Complete hardware for both front caliper brackets — bushings, boots, and grease for one axle
Rear Axle Kit
Best for
Vehicles with rear disc brakes showing binding or uneven rear pad wear
What you get
Complete hardware for both rear caliper brackets, often including parking-brake pin hardware where applicable

Disc brake caliper guide bushing kits brands we stock for your Bmw 633Csi

URO
1 option · from $26.95

Replacing disc brake caliper guide bushing kits on a Bmw 633Csi

Easy⏱ 1–2 hours per axleSocket and ratchet setCombination wrench setBrake caliper wind-back or piston compression toolWire brush for cleaning bracket boresTorque wrench

Remove the wheel, slide off the caliper, and withdraw the guide pins to expose the old bushings and boots in the bracket bores. Clean the bores thoroughly with a wire brush, press or slide in the new sleeves and boots, and apply the kit-supplied grease before reinstalling the pins. Reinstall the caliper and torque all fasteners to the manufacturer's specification found in the Bmw 633Csi service manual before lowering the vehicle and pumping the brake pedal to seat the pads.

Frequently asked questions

How much does it cost to replace disc brake caliper guide bushing kits on a Bmw 633Csi?
Parts start at $26.95 for a Bmw 633Csi caliper guide bushing kit at AutoBuffy. Shop labor typically adds one to two hours per axle. Doing the job yourself with basic hand tools keeps the total near the parts cost alone, making this one of the more cost-effective brake maintenance tasks.
Can I reuse the old guide pin sleeves when replacing just the boots on a Bmw 633Csi?
Only if the steel sleeves are free of rust, scoring, and pitting. Corroded or out-of-round sleeves will cause the new boots to tear early and the caliper to bind again. Because kits are inexpensive, replacing bushings, sleeves, and boots together at the same time is almost always the better choice.
What grease should I use on Bmw 633Csi caliper guide bushings?
Use only a high-temperature, rubber-compatible brake caliper grease — typically a synthetic or silicone-based formula. Petroleum-based greases swell and degrade rubber boots rapidly. Many kits include a pre-measured grease packet. Never apply grease to pad friction surfaces, rotor faces, or the inside of boot lips.
How long do caliper guide bushings last on a Bmw 633Csi?
Under normal conditions, guide bushings and their boots last several years, but road salt, extreme heat, and infrequent brake service accelerate cracking and corrosion. Inspecting the boots and sleeve surfaces every time brake pads are replaced is the most reliable way to catch wear before it causes caliper binding.
Do I need to replace guide bushings on both sides of the Bmw 633Csi at the same time?
Yes. Replacing bushings on one side of an axle while leaving the other side worn creates unequal caliper movement, which causes the brake pedal to pull and uneven pad wear — the same symptoms the repair was meant to fix. Always service both sides of the same axle as a matched pair.
Will worn caliper guide bushings damage the rotors on a Bmw 633Csi?
Yes. A seized bushing prevents the caliper from retracting fully, keeping one brake pad dragging against the rotor. This generates excess heat, scores the rotor surface, and can warp it over time. Catching and replacing worn guide bushings early is significantly cheaper than also replacing rotors and pads prematurely.

Shop disc brake caliper guide bushing kits by year for the Bmw 633Csi

19841983

More parts for your Bmw 633Csi

Engine Coolant Temperature Sensor ConnectorDifferential Drain PlugStrut MountEngine Valve Cover NutCold Start Fuel InjectorBrake Hydraulic HoseWheel Bearing KitTransmission Mount

Disc brake caliper guide bushing kits for other Bmw models

Bmw ActiveHybrid 5Bmw 530xiBmw ActiveHybrid 7Bmw 645CiBmw 328iBmw 650i