This page lists 7 electrical bulb & socket parts for the 2019 BMW 520I, across 3 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2019 BMW 520I, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. All 7 listed parts are Back Up / Reverse Lamp Bulb (3 parts), Headlamp Bulb (2 parts) and Turn Signal Lamp Bulb (2 parts).
The 2019 BMW 520I came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
2 brands supply electrical bulb & socket parts for the 2019 BMW 520I, led by HELLA (4 parts) and PHILIPS (3 parts). Quality grades include Standard Replacement, Extended Life and HID.
Each part number listed for the 2019 BMW 520I opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 7507 | 🇲🇽 MX | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| HELLA | H21W | 🇲🇽 MX | HalogenSocket Type Bulb: BAY9S | View on Amazon |
| PHILIPS | H21W | 🇲🇽 MX | View on Amazon |
This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
3 Back Up / Reverse Lamp Bulb parts for the 2019 BMW 520I come from 2 brands — HELLA and PHILIPS.
Listed part numbers: HELLA 7507 and HELLA H21W, plus the other parts above.
Headlamp Bulb
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | D1S | 🇲🇽 MX | Low Beamwith HID headlamps | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | H7 | 🇲🇽 MX | HalogenSocket Type Bulb: PX26D | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
2 Headlamp Bulb parts are listed for the 2019 BMW 520I, from PHILIPS and HELLA.
The HID (intense white light) section lists 1 option from PHILIPS — grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. PHILIPS D1S is listed in this group.
The Standard Replacement section lists 1 option from HELLA — built to original-equipment specification. HELLA H7 is listed in this group.
This group includes PHILIPS D1S and HELLA H7.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | PY21WLL | 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 7507 | 🇲🇽 MX | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
2 Turn Signal Lamp Bulb parts for the 2019 BMW 520I come from 2 brands — PHILIPS and HELLA.
In the Extended Life grade, PHILIPS supplies 1 part: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS PY21WLL.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 7507.
Listed part numbers: PHILIPS PY21WLL and HELLA 7507.
Buying Electrical Bulb & Socket Parts for a 2019 BMW 520I
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the 2.0L L4 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Back Up / Reverse Lamp Bulb and Headlamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2019 BMW 520I?
Our catalog currently lists 7 electrical bulb & socket parts for the 2019 BMW 520I across 3 subcategories and 2 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2019 BMW 520I?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2019 BMW 520I was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2019 BMW 520I?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2019 BMW 520I
Electrical Bulb & Socket Parts for Other BMW 520I Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.