REAR pair of OE-type slotted/plated replacement brake rotors - 34 21 6 755 407
$49.00 -- OE slotted/plated REAR brake rotors for most E30 325/320/318/316Purchase REAR pair of OE-type slotted/plated replacement brake rotors - 34 21 6 755 407
The Ultimate OE-type replacement brake
rotor packages for BMW.
Our specially-priced
packages with Hawk or Performance Friction pads are discounted even
more than our regular prices on these items purchased seperately.
Buy all together and save!
325is
325i
325iX
325e
325es
323i
324td
324d
320i
318is
318i
316i
316
PRICE PER PAIR
What makes the best brake rotors?
Details, details, details, and value!
UUC Ultimate OE-size replacement rotors are slotted, plated, and manufactured using the best techniques and materials.
Slotting: there are many reasons to slot rotors. Primarily, slotting aids in removal of water and debris on the rotor surface, evacuation of hot pad "off gassing" vapor, and provides a visual wear indicator.
Details: These slots do not extend all the way to the edge of the rotor for a very specific reason; this maintains the structural integrity of the rotor. Other brands with slots all the way to the end have created "stress risers" where cracking may develop. No such problem exists with this design. Additionally, directional slotting enhances effectiveness.
NO DRILLING! Drilled holes in rotors often used for "show" are prone to cracking and catastrophic failure. The holes create stress risers which will lead to this sort of failure. Additionally, drilled holes do not improve cooling, rotary-vane rotors lose efficiency when drilled because cooling air does not not pass through the rotor circumferentially but is instead prematurely evacuated by the holes.
Plating: Multi-stage plating resists unsightly
corrosion on the rotor hub and unswept areas of the rotor face.
Plating: Multi-stage plating resists unsightly
corrosion on the rotor hub and unswept areas of the rotor face.
Precision: due to the ultra-precise tolerances used
for run-out, parallelism, and surface flatness, absolutely no
pre-installation machining is required for smooth operation without
vibration or shimmy.
Manufacturing details:
* Meets SAE J431 standard
for grade 3000 gray cast iron
* Alloying: Copper and
Chromium added to achieve specific hardness and tensile strength.
* Precision-controlled
cooling during the casting process creates a uniform distribution of
graphite flakes, thus increasing wear resistance and the ability to
dissipate heat. In contrast, premature cooling of cast iron can cause
iron brittleness, thus making the brake rotor more likely to warp or
crack, especially when overheated under hard braking conditions.
* Run-out less than .004".
* Parallelism of machined
surfaces within .0005" tolerance.
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Motorwerks
Purchase REAR pair of OE-type slotted/plated replacement brake rotors - 34 21 6 755 407
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