CARFIX

TRW Disc Brake Rotor 300mm x 18.4 Min

TRW — TRW Disc Brake Rotor 300mm x 18.4 Min — part number DF6329S

TRW · Part number DF6329S · NZ$12.00 incl. GST

Right then, for your BMW Z4 sDrive, disc brake rotors are absolutely vital for safe stopping power, giving your brake pads a solid surface to grab onto; our TRW options are top-notch.

Price

NZ$12.00 including GST. Part number DF6329S.

Fits these vehicles

Description

Give Your BMW Z4 Some Serious Stopping Power: TRW Disc Brake Rotor Deep Dive
> Your BMW Z4 is a joy to drive, but to truly enjoy it, you need brakes you can trust. Disc brake rotors are the unsung heroes here – they're the metal discs spinning with your wheels. When you hit the brakes, the pads clamp down on these, creating the friction that slows and stops you. But all that heat and friction over time means they wear thin, warp, or get grooved, which is a real no-go for a car that loves a spirited drive.
Is Your Z4 Trying to Tell You Something?
• Feeling a judder or pulse through the brake pedal or steering wheel when you slow down?
• Hearing squealing, grinding, or scraping noises that just ain't right?
• Stopping distances getting longer, or that brake pedal feeling a bit 'spongy'?
• Can you see visible scoring, grooves, or odd discolouration on the rotor surface?
WOF Check-Up Time!
Nope! Worn or dodgy brake rotors are a big safety red flag and will definitely fail your WOF inspection here in New Zealand. They've gotta meet minimum thickness standards and be free from any serious scoring or warping.
Tackle It Yourself or Call in the Pros?
Difficulty: 6/10 (Moderate – for those who know their way around a spanner)
Estimated Time: 1-2 hours per axle (if you're a seasoned DIYer)
Tools You'll Need: Jack and sturdy jack stands (safety first!), wheel nut wrench, brake caliper compression tool, torque wrench, socket set, brake cleaner, a good wire brush, and maybe an impact driver for any stubborn rotor screws.
🛠️ Bob's "Get It Done Right" Companion Checklist
Before you dive into replacing those rotors, make sure you've got these bits and bobs on hand to make the job safer and smoother:
• Brake Cleaner: Essential for blasting away brake dust and grime, leaving a clean surface for your new pads.
• Anti-Seize Caliper Grease: A little dab will do ya for those caliper pins, keeping things moving freely.
• Safety Glasses: Don't risk it mate, protect those peepers from flying debris.
• Heavy-Duty Nitrile Gloves: Keep your hands clean and protected from brake dust and chemicals.
Expert Recommendation from Bob
Here at CARFIX, we know that keeping your BMW Z4's braking performance tip-top is absolutely crucial for both your safety and that grin you get behind the wheel. Worn rotors don't just mess with your stopping power; they'll chew through new brake pads quicker than a hungry possum in a fruit tree. We always reckon you should replace rotors in pairs (that's per axle) to keep your braking balanced and true. TRW is a fantastic choice, known for its quality and performance – a perfect match for your BMW. If you're scratching your head, Bob @ CARFIX is always keen for a yarn to help you sort out exactly what your BMW Z4 needs. Pop into Bob's Shop for a chat – the kettle's always on!
Fitment Notes
These specific TRW disc brake rotors are precisely engineered for a range of BMW Z4 sDrive models from 2009 to 2016, including the sDrive 23i, sDrive 18i, sDrive 28i, sDrive 20i, and sDrive 30i. To be absolutely certain you're getting the right fit, always double-check the exact specs against your vehicle's VIN – even within the same model, there can be little variations that matter.

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🛠️ Bob's Pro Tip: Do the Job Right!
> If you're swapping out these parts on your vehicle, always install fresh brake pads. Check out our compatible TRW Brake Pads (SKU GDB1559) to ensure a perfect bed-in and get the job done properly first time!

🧰 What Else You'll Need:
• Safety First: Never work under a vehicle supported only by a jack. Always secure it on heavy-duty safety jack stands.
• Brake Dust Protection: Keep a pack of Nitrile Gloves handy to protect your hands from grease and dust.
• Clean and Prep: Use Brake Cleaner to clean the anti-corrosion shipping oil off the new rotors before mounting the calipers.
• Lubrication: Apply caliper grease to caliper slide pins and pad contact points to prevent squealing.