Create your ideal windows below, or contact the team if you have a specific requirement.

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Customise your windows:

Kit includes: Front door windows (pair), rear quarter windows (pair, bolt-in as standard) & rear windscreen (bolt-in as standard)

Rear Quarter Fitting Type *
Polycarbonate Choice *
Polycarbonate Choice *
Polycarbonate Choice *
Polycarbonate Choice *
Polycarbonate Choice *
Slider Kit *
Slider Lock Type *
Choose between two locking systems: the Click-Click Bearing Lock for smooth, rattle-free operation with three adjustable positions, or the Split-Pin Lock for a simple, secure, and reliable solution with two preset positions.
Regular price £215.00
Regular price Sale price £215.00
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Total price (no additional VAT) Shipping calculated at checkout.

Note: Unless stated, all windows are sized to fit into rubber seals. If you need bolt-in sizing, then please contact us.

Orders are dispatched within 3 weeks, for hard-coated allow 5 weeks.

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Product information

Our polycarbonate windows are hand crafted to order by our experienced UK based team. They are designed to be safe, strong and lightweight, making them ideal for motorsport. They are much stronger than glass and shatterproof, unlike Perspex and other acrylics, so you are well protected whilst driving.

Our standard windows are manufactured from 4mm thick polycarbonate to comply with Motorsport UK regulations, whilst we also offer 5mm FIA compliant and hard-coated options for those looking tougher windows.

All of our windows are available in a choice of clear, bronze or grey polycarbonate so can choose the windows that best suit your car. You also have the option to add window sliders to either one or both of the front door windows depending on your preference.

Window sliders

Upgrade your vehicle with the Race Plastics Window Slider Kit, designed for both driver and navigator sides. Crafted from the same high-quality polycarbonate as your chosen window, these sliders ensure seamless integration and durability. Choose between two locking systems: the Click-Click Bearing Lock for smooth, rattle-free operation with three adjustable positions, or the Split-Pin Lock for a simple, secure, and reliable solution with two preset positions.

Engineered for flawless fitment and effortless installation, our sliders prevent rubbing and scratching, keeping your windows looking sharp. Whether you need maximum airflow on the track or controlled ventilation on the road, this upgrade delivers race-ready performance. For more details, check out our Window Slider Kits.

How long does an order take to ship?

We will confirm receipt of your order straight away and will be in touch if we have any questions regarding your order. Standard polycarbonate orders are usually manufactured and despatched within 3 weeks of the order being placed. Specialist orders - for example if you choose hard-coating plastic - will take longer, but we will contact you and discuss this with you. If you need your order by a certain date then please let us know.

Can I fit the window myself?

Yes, it is straight forward to remove an existing window and install a RacePlastics polycarbonate window. There are plenty of guides on YouTube to help you do this. Unless otherwise stated, all windows are designed to be fitted into rubber seals, please contact us if you require bolt in versions.

Can I collect the order myself?

Yes, we usually courier orders out to our customers, but if you contact us, we can arrange for collection from our Leeds factory.

How can I change my order?

If you need to discuss or change your order in any way, please get in touch with the team at the earliest chance. We will always try to accommodate any changes but costs may be incurred if the manufacturing process has already started.

  • Expertly crafted in the UK

    All of our windows and sliders are hand made to order by our team in the UK.

  • Motorsport compliant

    Our standard windows are made from UK compliant 4mm Polycarbonate.

  • FIA & hard-coated options

    We also offer FIA compliant 5mm & hard-coated options.

  • UK road legal warning

    All but bronze & grey tinted front door windows are legal on UK roads.

Not found what you need?

Need a single window, or have a special requirement, no problem. Just let us know what you need.

The BMW E30 2dr M3 Coupe rally car

If the standard E30 was a great driver’s car, the M3 was a full-blown motorsport weapon. Born out of necessity for Group A racing homologation, BMW took the already capable 3 Series and turned it into one of the most dominant touring cars of all time. Wide arches, a screaming high-revving engine, and handling so precise it felt like telepathy, the E30 M3 wasn’t just good, it was untouchable.
Launched in 1986, the E30 M3 came with a naturally aspirated 2.3L four-cylinder, the legendary S14 engine. Unlike the six-cylinder models in the standard E30 range, the S14 was built for relentless high-revving action. It might not have had the grunt of a bigger displacement engine, but it made up for it with razor-sharp throttle response and a soundtrack that only got better the harder you pushed it. Designed by BMW Motorsport, this engine was built to be wrung out, with peak power arriving at high RPMs, exactly what you want in a race car. The engine would later be enlarged in the Evolution models, eventually reaching 2.5L in the Sport Evolution, but even in its original form, it was a masterpiece of balance, efficiency, and motorsport pedigree.
BMW didn’t just slap an M badge on this thing, it was a complete overhaul. The boxy flared fenders weren’t just for show; they were needed to accommodate the wider track and larger wheels. The rear window had a steeper rake, the C-pillar was reworked, and the boot lid was reshaped, all in the name of aerodynamics. The suspension was completely retuned with a revised geometry that made it sharper and more stable under high-speed cornering. Even the steering system was more direct, giving the M3 a level of precision that made it feel like an extension of the driver.
Where the E30 M3 truly earned its stripes was in competition. It wasn’t just successful, it dominated. From the Deutsche Tourenwagen Meisterschaft (DTM) to the British Touring Car Championship (BTCC), the World Touring Car Championship (WTCC), and even endurance racing, the M3 was the car to beat. It took home multiple championship titles, often leaving its rivals trailing in its wake. In an era where touring car racing was brutally competitive, the E30 M3 established itself as the benchmark. It’s still the most successful touring car of all time, with more wins across various disciplines than just about any other production-based racer.
And it wasn’t just about circuit racing. While BMW’s rallying history is often overshadowed by Audi’s Quattro dominance and Lancia’s rally legends, the E30 M3 made its mark in rallying too. The rear-wheel-drive setup made it a favourite for tarmac rallies, where its precision handling and rev-happy engine made it a formidable competitor. It might not have been the go-to choice for loose gravel or snow-covered stages, but on the right surface, it was a weapon.
On the road, the E30 M3 demanded commitment. This wasn’t a car built for lazy cruising, it was a machine that rewarded skill, aggression, and a willingness to push it to its limits. It thrived on high revs, begged to be thrown into corners, and gave back tenfold when driven properly. No electronic assists, no fancy driver aids, just pure mechanical connection between the car, the road, and the driver.
Even decades later, the E30 M3 remains the holy grail for BMW enthusiasts. Prices have skyrocketed, but for good reason, it’s a car that defines an era, a machine that turned the 3 Series into a motorsport legend, and one of the purest driving experiences ever built. It’s not just nostalgia keeping the E30 M3’s reputation alive. It’s because cars like this don’t come around often. If you see one, count yourself lucky. If you get to drive one, never let go.

Thought about a slider kit?

Our easy retro fit window slider kits are the essential addition to your racing windows with standard and advanced kits available.

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  • Why Polycarbonate Windows?

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