BMW 1 Series Headlights: Specs, Fitment & Common Faults

Bulb type, unit part numbers, and the faults that actually cause that flickering or dim light you've noticed.

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OEM Part Number: confirm via VIN — aftermarket LH Hella 1EG 010 741-071 / RH Hella 1EG 011 919-421

Accuracy note: Covers the BMW 1 Series (F40 2019 on) as listed in the UK aftermarket catalogues. Headlights are sold by side (passenger / nearside = LH, driver's / offside = RH on a UK car) and by lamp type — halogen, xenon (D1S / D3S) and LED or full-LED units are not interchangeable, and DRL, cornering and levelling options change the part number again. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; genuine numbers are shown only where a listing quotes one. Check the lamp type and traffic side (UK right-hand-traffic units, not LHD) against your VIN, and expect xenon / LED and adaptive units to need levelling adjustment or coding after fitting.

Passenger side (LH / nearside) headlight — aftermarket	Hella 1EG 010 741-071 (halogen H7/H7, DRL, electric motor, bulbs included); Johns 20 03 09 (halogen design, LED DRL, electric motor); Van Wezel 0597961 (halogen H7/H7, LED, electric motor); Abakus 444-11AWLMLD-EM (H7, PY21W, LED DRL, electric motor, no bulbs); Hella 1EX 011 929-411 (full LED, LED DRL, electric motor); Hella 1LX 011 929-431 (LED, LED DRL, electric motor)
Driver's side (RH / offside) headlight — aftermarket	Hella 1EG 011 919-421 (halogen H7/H7, PY21W, LED DRL, electric motor, bulbs included); Johns 20 03 10 (halogen design, LED DRL, electric motor); Van Wezel 0597962 (halogen H7/H7, LED, electric motor); Abakus 444-11AWRMLD-EM (H7, PY21W, LED DRL, electric motor); Hella 1EX 011 929-421 (full LED, LED DRL); Hella 1EL 010 741-561 (bi-xenon D1S with LED DRL, bulb included)
Bulb types	dipped/main H7/H7, indicator PY21W, W21W, H6W; D1S on the bi-xenon unit; LED units sealed
Genuine (OE) numbers quoted	None quoted in catalogue listings — order genuine units against your VIN
Fitment notes	Halogen H7 with LED DRL on base cars, full LED on higher trims; budget TYC and Diederichs halogen units (e.g. 1280381 left, 1280280 right) list no levelling motor.

A Genuinely Important UK Rule Worth Knowing Before You Buy — BMW 1 Series Headlights

If your 1 Series has factory-fitted halogen headlamp housings, converting them to fit LED bulbs is treated as a definite MOT failure under the current inspection manual — this isn't a grey area or a minor advisory, since a housing designed for halogen doesn't distribute an LED bulb's light output correctly, which can genuinely dazzle oncoming drivers. If you want a genuine LED upgrade, the correct route is a complete headlight unit designed for LED from the factory, not a bulb swap into an existing halogen housing.

Before you buy: matrix LED, adaptive, and cornering headlight systems often require electronic coding to the car after a unit swap, even for a genuine like-for-like replacement — a headlight that isn't recognised by the car's electronics can trigger warning lights or fail to auto-level correctly. Check whether your specific trim has one of these systems before assuming a straightforward bulb-in, bulb-out job.

BMW 1 Series Headlights: Watch: Replacing It

🎬 Watch: BMW 1 Series (F20,F21), Headlight bulb replacement (Xenon) - tutorial (older gen)

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F20/F21; exact F40 exists in Italian: https://www.youtube.com/watch?v=BqR0fQztXVI (Come cambiare lampadine H7 - BMW Serie 1 (F40)) = non-English

BMW 1 Series Headlights: What It Does

The BMW 1 Series's headlight unit houses the main and dipped beam bulbs (or LED/matrix modules on higher trims), positioned and angled to illuminate the road ahead without excessively dazzling oncoming traffic. Many modern units also integrate the daytime running light and front indicator into the same housing, which affects both the part number and the complexity of any repair.

BMW 1 Series Headlights: Generations, Derivatives & Headlight Type

Entry-level trims	Halogen main headlight paired with LED daytime running lights — the DRL function is LED even when the main beam isn't
Mid trims	Standard LED — a simple LED projector per headlight with no adaptive function, meaning the beam doesn't respond to speed, road shape, or oncoming traffic
Higher trims/M Sport	Adaptive LED with BMW Selective Beam anti-dazzle high-beam function becomes available, genuinely different from standard LED in that it actively adjusts to road conditions and oncoming traffic
Top-tier option	Laser Light is offered as BMW's top headlight technology on some models in this range, though availability is more limited than on larger BMW models

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BMW 1 Series Headlights: Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Headlights Guide for the four bulb technologies and how they differ, UK law on aim and modifications, common faults to check for, how difficult this job is to DIY, and confirming fitment against your VIN.

More BMW Headlights

The same part, covered across other BMW models.