BMW 4 Series windscreen replacement — booked online.

What to expect during your BMW 4 Series windscreen replacement

Booking a 4 Series windscreen replacement through UK Car Glass takes just a few steps.

1. 1

   Complete our quick online quote using our guided quiz — takes about a minute and covers all 17 active variants.

2. 2

   Our parts-check team confirms your exact glass specification, including any ADAS brackets, cameras, and sensor features.

3. 3

   You're matched with a specialist in your area who can handle your variant, including calibration if needed.

4. 4

   On fitting day, your specialist arrives with your matched glass and replaces it at your chosen location — mobile at your address or at their workshop if calibration is required.

5. 5

   If your 4 Series has a forward-facing camera, static or dynamic calibration is completed after the glass bonds, ensuring your lane-keeping and ADAS systems recalibrate correctly.

6. 6

   Your specialist confirms the drive-away time before finishing and sends you a warranty certificate.

All replacements come with a two-year warranty covering workmanship and glass quality.

What features does your 4 Series have?

Tap a feature to see what it is, how to spot it on your car, and how it affects glass replacement. We confirm the exact match for your vehicle when you book.

• Green18

  2013–2026

  On the BMW 4 Series: fitted on every one of the 18 windscreen variants we list; model years 2013–2026.

  What it means

  A subtle green tint present on all 4 Series windscreens — hard to see but standard across the model.

  On your BMW 4 Series

  Look carefully at your windscreen edge-on; you'll notice a faint green hue. It's on every 4 Series variant in our catalogue.

• Vin Notch18

  2013–2026

  On the BMW 4 Series: fitted on every one of the 18 windscreen variants we list; model years 2013–2026.

  What it means

  A small boxed area at the bottom of the windscreen displaying your vehicle's chassis number (VIN) — present on all 4 Series models.

  On your BMW 4 Series

  Look at the bottom edge of your windscreen; you'll see the VIN printed in a discrete notch area.

• Rain Sensor15

  2013–2026No calibration after replacement

  On the BMW 4 Series: fitted on 15 of the 18 windscreen variants we list (83%); model years 2013–2026; no calibration after replacement.

  What it means

  An integrated sensor that automatically triggers your wipers when it detects rain, improving driver convenience.

  On your BMW 4 Series

  Standard on most 4 Series variants from around 2015 onwards; confirmed during your parts check.

• Mono Camera10

  2013–2026Calibration varies by vehicle

  On the BMW 4 Series: fitted on 10 of the 18 windscreen variants we list (56%); model years 2013–2026; calibration varies by vehicle.

  What it means

  A forward-facing camera mounted behind the windscreen for lane departure warning and ADAS functions, visible as a triangular shape in the black frit near the rear-view mirror.

  On your BMW 4 Series

  Look at the black-painted area (frit) at the top of your windscreen near the rear-view mirror; a single triangular outline indicates a mono camera, typical on F32/F33 and some G26 models with Driving Assistant.

  Calibration mix across our BMW variants

  • 2Dynamic
  • 1Static

  We confirm the exact procedure for your specific vehicle when you book.

• HUD - Head Up Display9

  2013–2026No calibration after replacement

  On the BMW 4 Series: fitted on 9 of the 18 windscreen variants we list (50%); model years 2013–2026; no calibration after replacement.

  What it means

  Your speedometer and vehicle information are projected directly onto the windscreen, keeping your eyes on the road.

  On your BMW 4 Series

  Check your windscreen for a transparent display area projecting speed and warnings; HUD is optional on higher-specification 4 Series trims.

• Dynamic Camera Calibration Process8

  2013–2026Calibration varies by vehicle

  On the BMW 4 Series: fitted on 8 of the 18 windscreen variants we list (44%); model years 2013–2026; calibration varies by vehicle.

  What it means

  After windscreen replacement, your camera system requires dynamic calibration — the technician drives the vehicle at set speeds on marked roads so the camera can relearn lane markings and surrounding features.

  On your BMW 4 Series

  Present on most 4 Series variants with a forward-facing camera; your specialist will complete this on the road after the glass has cured if your model requires it.

  Calibration mix across our BMW variants

  • 2Dynamic
  • 1Static

  We confirm the exact procedure for your specific vehicle when you book.

• Acoustic (Noise reduction)7

  2020–2026

  On the BMW 4 Series: fitted on 7 of the 18 windscreen variants we list (39%); model years 2020–2026.

  What it means

  A noise-dampening lamination in the windscreen glass that reduces road and wind noise for a quieter cabin.

  On your BMW 4 Series

  Look for the word 'Acoustic' or an ear symbol in one of the four corners of your windscreen; available on higher trim levels.

• Bracket For Safety Features7

  2013–2026Calibration varies by vehicle

  On the BMW 4 Series: fitted on 7 of the 18 windscreen variants we list (39%); model years 2013–2026; calibration varies by vehicle.

  The moulded trim that surrounds your camera and sensor cluster at the top of the windscreen, typically transferred or supplied with replacement glass.

  What it means

  A bracket for safety features is the moulded plastic or composite shroud that sits at the top of the windscreen, framing and protecting the camera and sensor cluster mounted behind the rear-view mirror. This trim cover houses forward-facing driver-assistance cameras and sensors — equipment that monitors the road ahead for lane-keeping, collision warning, adaptive cruise control, and similar safety functions. The bracket itself is part of the vehicle's structural frame, but the trim cover you see is what protects and aesthetically integrates the technology into the windscreen area.

  How to tell

  Look at the top centre of your windscreen, just above or around the rear-view mirror. If you see a dark moulded shroud or trim panel — often rectangular or tapered — with a visible lens or sensor window, your vehicle has a bracket for safety features. Your service history or handbook will list any ADAS (Advanced Driver Assistance System) technologies fitted. Ask your dealer or service centre if your vehicle has forward-facing cameras or sensors; if it does, you have a bracket for safety features.

  Replacement impact

  On windscreen replacement, the trim cover is typically transferred from your old glass to the new one, or supplied pre-integrated with the replacement depending on the variant. This means minimal disruption to your safety system during the swap. However, if the bracket requires recalibration after glass replacement — which depends on your specific vehicle and camera type — the job may require static calibration (using a target board) or dynamic calibration (a road drive). We confirm the exact calibration procedure when we look up your vehicle.

  Calibration mix across our BMW variants

  • 2Dynamic
  • 1Static

  We confirm the exact procedure for your specific vehicle when you book.

• Solar Control6

  2013–2019

  On the BMW 4 Series: fitted on 6 of the 18 windscreen variants we list (33%); model years 2013–2019.

  Solar control glass absorbs infrared rays to reduce heat and improve cabin comfort.

  What it means

  Solar control is a coating applied to the windscreen that absorbs the sun's infrared radiation rather than allowing it to pass through into the cabin. This reduces solar heat gain, helping to keep the interior cooler and more comfortable, particularly in warm weather or direct sunlight. The coating is transparent to visible light, so it doesn't darken the windscreen or affect visibility. It's a passive thermal management feature that works continuously whenever the sun is shining on the glass.

  How to tell

  Check your vehicle's specification sheet or contact your dealership service centre to confirm whether solar control glass is fitted. Some manufacturers list it as 'solar control windscreen', 'heat-reflective glass', or 'thermal management glass'. It's a factory-fitted feature and won't be visibly obvious from outside the car — the coating is integral to the glass itself.

  Replacement impact

  Solar control glass is a factory-fitted specification. When replacing the windscreen, a solar control variant must be sourced to match the original. This is a standard glass type with no special fitting implications or calibration requirements. Cure and drive-away times follow normal windscreen bonding procedures. Confirm with your fitter that the replacement glass includes solar control to maintain the original thermal performance.

• Grey Sun Strip5

  2013–2021

  On the BMW 4 Series: fitted on 5 of the 18 windscreen variants we list (28%); model years 2013–2021.

  A grey-tinted band across the top of your windscreen that reduces glare from sunlight and reflections above.

  What it means

  A grey sun strip is a tinted gradient band built into the top edge of the windscreen during manufacture. It sits within the laminated glass layers and gradually fades from opaque grey at the very top to clear further down. The strip is designed to reduce glare and reflections from sunlight, street lights, and oncoming headlights, improving comfort and visibility for the driver without obstructing the view of traffic signals or overhead hazards. Sun strips are a factory-applied feature unique to windscreens—they cannot be added to side or rear glass because those are typically toughened rather than laminated.

  How to tell

  Look at the top of your windscreen from inside the vehicle. You will see a grey-tinted band that fades to clear glass. The tint is gradual and integral to the glass itself, not a removable film or coating. Your vehicle's service records or handbook may also list it as a standard feature. If unsure, ask your dealer or service centre whether your specific model includes a sun strip.

  Replacement impact

  When replacing a windscreen with a sun strip, the replacement glass must be sourced in the exact matching variant—including the sun-strip tint and fade profile. Aftermarket and OE glass are both available for most vehicles, but the variant must be correct to match your original. There is no calibration required for the sun strip itself. If your windscreen also carries camera or sensor features, those will be calibrated separately according to your vehicle's needs.

• Sensor Heated Zone5

  2013–2026Calibration varies by vehicle

  On the BMW 4 Series: fitted on 5 of the 18 windscreen variants we list (28%); model years 2013–2026; calibration varies by vehicle.

  Heated zones around sensors prevent frost and moisture buildup, helping your safety systems work reliably.

  What it means

  A sensor heated zone is an electrical heating element integrated into or around camera, radar, or sensor mounts on the windscreen. Its purpose is to prevent frost, ice, condensation, and moisture accumulation on sensor lenses and housings. This keeps safety systems — such as lane-keeping assist, collision warning, and adaptive cruise control — functioning accurately in cold, wet, or foggy conditions. Without this heating, moisture or ice can obscure sensors and cause them to malfunction or deactivate.

  How to tell

  Check your vehicle's handbook for mention of 'heated sensor zone' or 'sensor heating' in the windscreen or ADAS section. Look at the top edge of your windscreen where cameras or radar modules are mounted — you may see small heating elements or wiring near these components. Ask your dealership or service centre directly: they can confirm whether your specific model includes sensor heating as standard.

  Replacement impact

  Windscreens with heated sensor zones require careful handling during replacement to preserve the heating element and its electrical connections. The heating circuit must be reconnected properly after the new glass is fitted. Depending on the vehicle, this may involve static or dynamic camera calibration after installation. We confirm the exact procedure — including any calibration needs — when we look up your vehicle details.

  Calibration mix across our BMW variants

  • 2Dynamic

  We confirm the exact procedure for your specific vehicle when you book.

• Camera4

  2013–2021Calibration varies by vehicle

  On the BMW 4 Series: fitted on 4 of the 18 windscreen variants we list (22%); model years 2013–2021; calibration varies by vehicle.

  A camera mounted near the rear-view mirror monitors the road ahead for lane-keep and traffic-sign features.

  What it means

  A forward-facing camera positioned in the windscreen header area (typically mounted on or near the rear-view mirror bracket) captures video of the road ahead. This camera feeds data to driver-assistance systems such as lane-departure warning, lane-keep assist, autonomous emergency braking, and traffic-sign recognition. The camera is a core component of modern ADAS (Advanced Driver Assistance Systems) and requires precise alignment after windscreen replacement to ensure these safety features function correctly.

  How to tell

  Look for a small dark triangular or lens-shaped component mounted in the black plastic trim area above the windscreen, typically centred near the rear-view mirror or slightly to one side. Your vehicle's handbook or infotainment menu may reference 'Lane Assist', 'Traffic Sign Recognition', or 'Autonomous Emergency Braking'. Ask your dealer or service centre directly if your car is equipped with a forward-facing camera system.

  Replacement impact

  Windscreen replacement on camera-equipped vehicles requires calibration of the camera system after the new glass is fitted. The exact calibration procedure—whether static (using a target board in a controlled environment) or dynamic (road-based)—varies by vehicle make, model, and year. We confirm the precise calibration requirement when we look up your specific vehicle. Calibration ensures lane-keep, sign recognition, and emergency-braking systems function safely. This may extend the fitting schedule and may necessitate workshop-based fitting rather than mobile attendance.

  Calibration mix across our BMW variants

  • 2Dynamic

  We confirm the exact procedure for your specific vehicle when you book.

• Triple Camera1

  2021–2026Calibration varies by vehicle

  On the BMW 4 Series: fitted on 1 of the 18 windscreen variants we list (6%); model years 2021–2026; calibration varies by vehicle.

  Three forward-facing cameras mounted behind the windscreen provide multi-range vision for advanced driver assistance.

  What it means

  A triple-camera system is a forward-sensing array consisting of three separate camera modules positioned behind the windscreen, typically mounted around the rear-view mirror area. Each camera has a different focal length — narrow, main, and wide — allowing the system to monitor the road at different distances simultaneously. This multi-camera approach enables advanced driver assistance features such as adaptive cruise control, lane-keeping assist, collision avoidance, and traffic sign recognition to operate more reliably across a wider field of view and range than a single camera could achieve. The system is a core component of modern vehicle safety and autonomous driving capability.

  How to tell

  Look at the windscreen around the rear-view mirror area — you'll see three distinct triangular shapes printed in the black frit (the opaque band around the glass edge). These are the camera housings. Alternatively, check your vehicle documentation or ask your dealer's service centre; they can confirm whether your model is equipped with triple-camera vision.

  Replacement impact

  Triple-camera systems require a precision-engineered bracket and a specifically printed glass variant to align the three optical centres correctly. After windscreen replacement, the camera system may require static or dynamic calibration depending on your vehicle's design — we confirm the exact calibration procedure when we look up your specific vehicle. The replacement glass must be OEM or OEM-equivalent to ensure optical accuracy and system functionality. Calibration restores the cameras' ability to detect road hazards and maintain driver assistance feature performance.

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