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Pair Rear Bumper Reflector for 2012-2017 BMW 3-Series F30 M Sport: The Complete Replacement Guide

If the rear reflectors on your F30 or F31 M Sport are cracked, faded, or missing, this is not just a cosmetic issue. Every 2012-2017 BMW 3 Series F30 sedan and F31 Sport Wagon must carry two rear red reflex reflectors under FMVSS 108 Table XVI in North America and UNECE R3 Class I-A in EU/UN markets. A dull or missing unit is a compliance failure and a real visibility risk after dark.

This matched pair is made for the M Sport rear valance fitted to the 330i (B46/B48) and 340i (B58). The modules are snap-fit and sit outboard of the rear PDC ultrasonic sensors, so they keep the OE contour and retroreflective geometry with no cutting, drilling, or adapters.

You can order the exact pair on the product page: Pair Rear Bumper Reflector For Case 12-17 BMW 3-Series F30 M F31 Sport 330i 340i.

Fitment and OE Interchange Numbers

Direct fitment covers the 2012-2017 BMW F30 M Sport sedan and the F31 M Sport Sport Wagon, including the 330i and 340i. Before you order, pull one of your current units or check a parts diagram, then match these numbers:

• 63147847229 — left reflector
• 63147847230 — right reflector
• 63147801515 / 63147801516 — additional OE interchange numbers covered by this pair

If any of those numbers appear on your original parts, this pair replaces them one-for-one. The left and right units are mirror-contoured, so they are not interchangeable — the FAQ below explains why a matched pair is the safer order.

2026 Compliance: The Standards Behind the Part

Reflector rules tightened for the 2026 cycle. A compliant replacement must clear SAE J594 red retroreflectivity, SAE J576 UV-weathering, FMVSS 108 Table XVI, UNECE R3 Class I-A, and EU GSR 2026 audits. The Koeep pair meets all of them, so it works for North American and EU/UN cars alike.

The part is fully passive. It has zero bus interaction, so it triggers no DTC on post-2025 zonal E/E architectures and needs no coding on a 2026 CAN-FD body network.

It also preserves the retroreflective geometry that supports the low-light object-detection logic used across 2026 Ford, GM, Toyota, and Tesla rear camera and ADAS architectures. In plain terms: the reflector is part of how other systems see your car at night.

Material Deep-Dive: Why the Resin Changed

For 2026 cycles, tier-one suppliers moved rear reflectors to ASA-grafted PMMA blends with 5-year UV-stabilized red pigment and a hydrophobic clear topcoat. The material this replaces — first-generation polycarbonate — yellowed under 9,000-hour xenon exposure. If your current reflectors show a yellowed tint instead of deep red, that is the exact failure mode.

The Koeep pair uses a resin rated from -40°C to +105°C. And unlike Tesla's 2026 Model Y bonded-taillight reflector, the F30/F31 M Sport unit stays separately serviceable. That cuts repair cost and avoids full-lamp DTC cascades such as B0050-series body-lamp failure codes.

OE vs. Koeep Replacement: Spec Matrix

Source: Koeep.com replacement pair — Pair Rear Bumper Reflector For Case 12-17 BMW 3-Series F30 M F31 Sport 330i 340i.

Installation: Rear Bumper R&R and PDC Sensor Risk

Replacing either reflector requires partial release of the rear bumper fasteners. This is a clip-and-bolt job on the valance, not a reflector-only swap, so have a trim tool ready.

The critical detail sits directly below your work area: four Bosch PARKPILOT ultrasonic sensors. If a connector is left unseated while the bumper is loose, the PDC module stores ISTA codes 6842-6845 — rear-left, rear-right, rear-center-left, and rear-center-right sensor faults.

Post-Install Checklist

• Reconnect every PDC sensor harness before the bumper goes fully back on.
• Clear the 0x684x DTC family after reinstalling the bumper.
• Run a PDC calibration lite-run via ISTA/P.

On generic OBD-II tools, the 6842-6845 codes can surface as U0xxx network or P1xxx manufacturer-specific DTCs. Do not order a new sensor before you have reconnected the harnesses and run the ISTA/P calibration — in most cases the "failed" sensor is simply unplugged. Step-by-step fitment notes are on the product page.

Related Parts for the Same BMW

Servicing more than one BMW? If the driveway also holds an X5, the 2pcs Rear Bumper Reflector Tail Light Lamp Case LH RH For 2007-2013 BMW X5 E70 A handles the same faded-reflector repair on the E70 chassis, with left and right units supplied together.

If the front end needs attention too, the Front Bumper Fog Light Grille w/ Trim Cover For BMW 3 Series F30 F31 2012-2015 A replaces cracked fog grilles and trim on the same F30/F31 generation, so the nose matches your fresh rear valance.

Beyond Exterior Body Parts

Browsing past reflectors? The Body Parts collection at Koeep groups bumpers, grilles, trim, and lighting across model lines, which makes it easy to plan a full exterior refresh in one order.

Working on an older chassis as well? The guide BMW E90 E92 E93 Interior Center Console Carbon Fiber Molding Sticker Decals — Ultimate Upgrade Guide covers interior trim upgrades for the previous-generation 3 Series.

Ordering, RFQ, and Support

The fastest route is the direct product page — one order, matched left and right in the same box: Pair Rear Bumper Reflector For Case 12-17 BMW 3-Series F30 M F31 Sport 330i 340i.

Running a shop, restoring several cars, or want a fitment check on a specific build date first? Send the details through the request-for-quote page and you will get a quoted answer instead of a guess.

• Email: support@koeep.com
• WhatsApp: message the Koeep team on WhatsApp

Frequently Asked Questions