
BMW E30 2dr M3 Coupe Polycarbonate Windows
Create your ideal windows below, or contact the team if you have a specific requirement.
Customise your windows:
Note: Unless stated, all windows are sized to fit into rubber seals. If you need bolt-in sizing, then please contact us.
Shipping calculated at checkout.
US orders ship in 3 weeks (5 for hard-coated). Delivery in 3–17 business days, depending on location.
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Product information
Every Race Plastics window is custom-made by our experienced team in the UK. Built for motorsport, these polycarbonate windows are lightweight, shatterproof, and far stronger than glass. Unlike acrylics or Perspex, they won’t crack under pressure—giving you peace of mind when you’re pushing hard.
Our standard spec uses 4mm thick polycarbonate, meeting key racing regulations. If you need more strength, we also offer 5mm FIA-compliant windows and hard-coated options for extra durability and scratch resistance.
Windows come in clear, bronze, or grey tints, so you can match the look to your build. You can also add sliders to either or both front doors, depending on how you want to manage airflow.
Window Sliders
Our slider kits are built from the same high-quality polycarbonate as your main windows. Designed for both driver and passenger sides, they’re smooth, secure, and built to last.
You can choose between:
- Smooth operation with three fixed positions, no rattle
- Simple and reliable, with two preset stops
Easy to fit and made to avoid rubbing or scratches, these sliders are ideal whether you need more air on track or better control on the road. For full specs, visit the Window Slider Kits page.
How long does shipping take?
We’ll confirm your order right away. Standard polycarbonate kits are usually built and shipped within 3 weeks. Custom or hard-coated orders may take longer—we’ll reach out to confirm the lead time. If you’ve got a race coming up, let us know and we’ll do what we can to hit your timeline.
Can I install the windows myself?
Yes. Most builds are straightforward and there are plenty of how-to videos online. Unless stated otherwise, our windows are made to fit into standard rubber seals. Need bolt-in versions? Just reach out.
Can I pick up my order?
We usually ship via courier, but yes—collection from our Leeds facility can be arranged. Just drop us a message.
Need to change your order?
Get in touch as soon as you can. We’ll do our best to make changes, but if production’s already started, there may be a cost to amend the order.
Key product info:
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Expertly crafted in the UK
All of our windows and sliders are hand made to order by our team in the UK.
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Motorsport compliant
Our standard windows are made from UK compliant 4mm Polycarbonate.
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FIA & hard-coated options
We also offer FIA compliant 5mm & hard-coated options.
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Road legal warning
Always check your local vehicle regulations before fitting.
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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Want some Window Advice?
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Why Polycarbonate Windows?
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Perspex or Polycarbonate Windows?
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