Diamond cut alloy refurbishment in
Slough.
A real CNC diamond cut, not a polish and lacquer cheat. Your wheels come back looking like the day they left the factory. BMW, Audi, Mercedes, Range Rover, all done in-house at our Slough workshop. No nonsense. No hidden prices. Book in today.
⭐⭐⭐⭐⭐ 4.9 out of 5 from 500+ Google reviews. Trusted by drivers across Slough since 2019
- ✓6 months interest-free, up to £3,000
- ✓Same-day slots available in Slough
- ✓True CNC diamond cut lathe
Proper Diamond Cut Alloy Refurbishment in Slough
Diamond cut wheels are the ones with that bright machined silver face and a coloured pocket behind each spoke. BMW, Audi, Mercedes, Range Rover and Jaguar fit them as a premium option and they look brilliant, until the lacquer cracks, water gets in and the face turns milky white. We refurbish them properly at our Slough workshop on a wheel-specific CNC lathe, not by polishing them up and praying the lacquer holds.
A proper diamond cut refurb means stripping the wheel, repairing any kerb damage, repainting the pocket colour, then putting the wheel on the lathe and taking a fresh skim off the face so the machined finish is brand new. Then fresh lacquer, baked, balanced and refitted. That is the only way it lasts. Berkshire drivers who try the cheap mobile option usually end up back at us within 18 months.
Why diamond cut wheels fail so quickly
The lacquer layer on a diamond cut wheel sits directly on bare machined aluminium. Any tiny chip or kerb scuff lets moisture under the lacquer, and once that starts, corrosion creeps sideways and lifts the lacquer off in patches. You get the milky cloudy look across the spokes. Once it starts you cannot polish it out, you have to recut the face.
- Kerb damage. even small scuffs break the lacquer seal and let water in.
- Winter salt. M4 and M25 runs into Slough in January are brutal on uncoated edges.
- Cheap tyre fitters. wheel weights and tyre levers chip lacquer at the rim. We use protected machines.
- Steam cleaners. hot pressure washing forces moisture through hairline lacquer cracks.
What we actually do
- Strip. tyre off, old lacquer and paint chemically and thermally stripped back to bare alloy.
- Repair. kerb damage filled and shaped, cracks TIG welded where needed before machining.
- Pocket colour. matched to your OE shade (gloss black, anthracite, shadow chrome, satin grey) and baked.
- Diamond cut. wheel mounted on the CNC lathe, fresh skim off the face, OE machining pattern restored.
- Lacquer. two coats of UV stable lacquer, oven baked, not air dried.
- Refit. tyres back on, balanced, valves checked, torqued to spec, ready to drive.
Wheels we refurbish most weeks
- BMW M Sport 19in and 20in. 3 Series, 5 Series, X3, X5. Style 405M, 442M, 469M, 552M.
- Audi 19in and 20in S Line. A4, A5, A6, Q5, Q7 rotor and 5-arm designs in shadow chrome and titanium.
- Mercedes AMG 19in and 20in. C-Class, E-Class, GLC, GLE multi-spoke diamond cut.
- Range Rover 21in and 22in. Vogue, Sport, Velar. Large diameter diamond cut, our lathe handles up to 24in.
- Jaguar 20in. F-Pace, XF, XE Venom and Storm wheels.
- VW Golf R and GTI 19in. Pretoria, Spielberg, Brescia.
How many times can a wheel be diamond cut?
Roughly two to three times in its life. Every cut takes a small amount of metal off the face, so eventually the spoke profile loses definition. We measure before we cut and tell you honestly if a wheel has had enough. If it has, a full colour change refurbishment (painted instead of machined) is a better call and we will quote that instead.
Where we are and who we cover
Most of our diamond cut work comes from drivers across Slough, Langley, Colnbrook, Datchet, Windsor, Maidenhead and Gerrards Cross, and a fair amount of Berkshire fleet and lease return work too. The workshop is SL3 7EW, five minutes from M4 J5 and six from M25 J14.
Want a diamond cut quote for your wheels? Call 01753 439115 or WhatsApp the team at Onyx Autocentre on 07393 580281 with photos of the damage and we will come back with a price and turnaround within the hour. 01753 439115 or WhatsApp 07393 580281.
More on alloy wheel refurbishment: Kerb Damage on One Wheel? We Fix It in Slough · Change the Colour of Your Whole Alloy Set in Slough · Big Range Rover Alloys Need a Specialist. Here's Why · Corroded Alloys Causing Slow Punctures? Fixed in Slough · Back to Alloy Wheel Refurbishment
Proper Diamond Cut Alloy Refurbishment in Slough in Slough and across Berkshire
Onyx Autocentre is based in Slough, Berkshire and we look after cars from across the SL postcodes every day. Whether you're driving in from central Slough, Uxbridgeor Gerrards Cross, we'll book your proper diamond cut alloy refurbishment in slough around your schedule. Same Slough workshop, same trusted team, same standard on every proper diamond cut alloy refurbishment in slough job.
All our services
Every service we offer at our Slough workshop. Tap a tile to find out more.
- Air Bag RepairsFind out more
- Alloy Wheel Crack WeldingFind out more
- Alloy Wheel RefurbishmentFind out more
- Alloy Wheel WeldingFind out more
- Auto ElectricsFind out more
- Body Kit FittingFind out more
- Boost Leak & Smoke TestFind out more
- CambeltsFind out more
- Car Air ConditioningFind out more
- Car BatteriesFind out more
- Car BrakesFind out more
- Car ExhaustsFind out more
- Car ModificationsFind out more
- Car RepairsFind out more
- Car Safety ChecksFind out more
- Car ServicingFind out more
- Car TyresFind out more
- Carbon CleaningFind out more
- Cheap Car TyresFind out more
- Clutch ReplacementFind out more
- Diesel Performance ECU TuningFind out more
- Diesel TuningFind out more
- Dyno TestingFind out more
- ECU RemappingFind out more
- Engine DiagnosticsFind out more
- Engine ManagementFind out more
- Engine RebuildsFind out more
- Engine TuningFind out more
- Fleet MaintenanceFind out more
- Gearbox ServicingFind out more
- Gearbox TCU RemappingFind out more
- Haldex ServicingFind out more
- Head Gasket RepairsFind out more
- In-Car EntertainmentFind out more
- Mechanical RepairsFind out more
- MOT Failure RepairFind out more
- Nitrogen Oxide (NOx) Sensor RepairsFind out more
- Number PlatesFind out more
- Oil & Filter ChangeFind out more
- Parking SensorsFind out more
- Powder Coating for Alloy WheelsFind out more
- SteeringFind out more
- SuspensionFind out more
- Timing Belt ReplacementFind out more
- Trade Alloy Wheel RepairFind out more
- Turbo Intake CleaningFind out more
- Van Repairs & ServicingFind out more
- Vehicle SecurityFind out more
- Wet Belt ReplacementFind out more
- Wheel BalancingFind out more
- Window TintingFind out more
What Our Customers Say
Rated 5 Stars on Google by drivers across Slough and Berkshire
"Took my BMW here for an oil change and oil filter and the service was spot on. Really friendly team, got the car booked in quickly and the job was done properly with no hassle."
"Highly recommend this garage. After contacting a few other garages who didn't want to take my car in for diagnostics, these guys were happy to help. They diagnosed and fixed an engine fuel leak issue professionally and efficiently. Great service and very reliable. I'll definitely use them again."
"Very nice experience at Onyx — they took me in immediately and completed the DRL module swap efficiently. I have no regrets and would highly recommend."
"I brought my car to Onyx after visiting many other mechanics who failed to sort out issues with my vehicle. The mechanics here clearly explained the issues with the vehicle and fixed them quickly. Amazing service and wonderful people, highly recommend."
"These guys are always polite and welcoming. I've taken multiple vehicles here and the service received has been excellent."
"Had the front pads done here over the weekend. Second time in with Onyx and service has been top notch both times. On time, no hassle and cost effective. Highly recommend."
"Max and Ben are extremely professional and did an excellent repair on my wife's car at a great price. Max spotted the problem within 6 hours, which 2 other garages could not detect."
"I took my car to Onyx and met Ben who was friendly and I got the problem diagnosed by Ben which I had a faulty water pump. I was quoted a reasonable price and got it replaced. I was satisfied and would recommend Onyx."
"Great service, sorted out my alloy refurb at a good price and quick turnaround. Top service, highly recommend."
"A great experience with Onyx who fitted a new clutch for my Fiat 500. Super quick, friendly and well priced. Would highly recommend."
"Very friendly, no hassle effective service. Definitely recommend and will use when I need to get my alloy wheels refurbished."
"Brought my Audi S3 in for a coolant leak — the part was on back order but they managed to source one in a couple of days. Massive thanks to Ben."
"My vehicle went in for a brakes job and Ben and the team at Onyx Autocentre did an amazing job. Highly recommended."
Spread the cost over 6 months, interest-free.
Big bill? Pay the first instalment when you book, then spread the rest across up to 5 more monthly instalments, interest-free. Available on jobs up to £3,000. No setup fees, no hidden interest. FCA-authorised through Payment Assist, soft credit check, decision in minutes.
- ✓ Up to 6 months interest-free
- ✓ Available on jobs up to £3,000
- ✓ First payment at booking, rest split monthly
- ✓ Soft credit check, decision in under 2 minutes
- ✓ No setup fees, no hidden interest
Same-day slots are limited this week.
Call or WhatsApp now and get proper diamond cut alloy refurbishment in slough today. Slough, Langley, Colnbrook, Windsor, Maidenhead, Uxbridge and Gerrards Cross.