This page lists 35 electrical bulb & socket parts for the 2018 BMW 118I, across 10 part types, covering the 1.5L L3 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 BMW 118I, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Turn Signal Lamp Bulb (8 parts), Headlamp Bulb (6 parts) and Dome Light Bulb (5 parts). The other 7 part types cover the remaining 16 parts.
The 2018 BMW 118I came with a single engine, the 1.5L L3 Turbocharged, and every part is verified against it.
4 brands supply electrical bulb & socket parts for the 2018 BMW 118I, led by HELLA (17 parts), WAGNER (15 parts) and STANDARD MOTOR PRODUCTS (2 parts), plus 1 more brand. Quality grades include Standard Replacement, Extended Life and Extra Bright.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 BMW 118I. 6 parts have it, including HELLA 2825 (Dome Light Bulb) and HELLA H7 (Headlamp Bulb). Each part number 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 |
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.
This group shows a single part: HELLA 7507.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | T10LED | 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER | 17177 | 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | View on Amazon |
This table covers the bulbs in the dome lamp. 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.
5 Dome Light Bulb parts for the 2018 BMW 118I come from 2 brands — WAGNER and HELLA. The "Popular" part is HELLA 2825.
In the Extended Life grade, WAGNER 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 WAGNER 17177LL.
The LED (instant-on, long life, energy-saving) section lists 1 option from WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. WAGNER T10LED is listed in this group.
In the Standard Replacement grade, HELLA and WAGNER supply 3 parts: built to original-equipment specification. A representative part number is HELLA 2825.
Part numbers include HELLA 2825, WAGNER 17177LL and WAGNER T10LED, among others listed above.
Fog / Driving Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | H8 | 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-1 | View on Amazon |
| PHILIPS | H8 | 🇲🇽 MX | Frontwith Halogen Capsule Headlamps | View on Amazon |
| WAGNER | 1235H8 | 🇲🇽 MX | Front | View on Amazon |
This table covers the bulbs in the fog and driving 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 Fog / Driving Lamp Bulb parts are listed for the 2018 BMW 118I, from HELLA, PHILIPS and WAGNER.
Listed part numbers: HELLA H8 and WAGNER 1235H8, plus the other parts above.
Glove Box Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the bulbs in the glove-box lamp. 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.
HELLA supplies both parts for the 2018 BMW 118I.
This group includes HELLA 2825 and HELLA 2825BL.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 1255H7LL | 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | H7TVX | 🇲🇽 MX | Truview PlusPX26D Base | View on Amazon |
| WAGNER | H7BLX | 🇲🇽 MX | BritelitePX26D Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | H7 | 🇲🇽 MX | HalogenSocket Type Bulb: PX26D | View on Amazon |
| WAGNER Popular | 1255H7 | 🇲🇽 MX | Fits High BeamHalogen Capsule | View on Amazon |
| WAGNER | 2475H7 | 🇲🇽 MX | Fits High Beam24 Volt | 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.
6 Headlamp Bulb parts are listed for the 2018 BMW 118I, from WAGNER and HELLA. HELLA H7 carries the "Popular" badge.
The Extended Life section: 1 option from WAGNER. WAGNER 1255H7LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 2 options from WAGNER — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. WAGNER H7TVX is listed in this group.
The Standard Replacement section: 3 options from WAGNER and HELLA. HELLA H7 is listed in this group.
Part numbers include HELLA H7, WAGNER 1255H7LL and WAGNER H7TVX, among others listed above.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HP4355 | 🇲🇽 MX | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS | S900 | 🇲🇽 MX | Connector Shape: Rectangleblack | View on Amazon |
This table covers the sockets that hold a headlamp bulb in the housing. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket.
STANDARD MOTOR PRODUCTS supplies both parts for the 2018 BMW 118I.
Part numbers include STANDARD MOTOR PRODUCTS HP4355 and STANDARD MOTOR PRODUCTS S900.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | CBH8H11H16 | 🇲🇽 MX | For H8 / H11 / H16 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
One part is listed for the 2018 BMW 118I — WAGNER CBH8H11H16.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | T10LED | 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER | 17177 | 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | View on Amazon |
This table covers the bulbs in the map / reading 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.
5 Map / Reading Light Bulb parts for the 2018 BMW 118I come from 2 brands — WAGNER and HELLA. The "Popular" part is HELLA 2825.
Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 17177LL.
The LED (instant-on, long life, energy-saving) section: 1 option from WAGNER. WAGNER T10LED is listed in this group.
Standard Replacement: 3 parts, from HELLA and WAGNER. A representative part number is HELLA 2825.
This group includes HELLA 2825, WAGNER 17177LL and WAGNER T10LED and the remaining parts above.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
This table covers the bulbs in the tail 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.
HELLA supplies both parts for the 2018 BMW 118I.
Listed part numbers: HELLA 2825 and HELLA 7506.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 7506ALL | 🇲🇽 MX | IncandescentAmber | View on Amazon |
| HELLA | 7506LL | 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER | 17638NALL | 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA Popular | 7507 | 🇲🇽 MX | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| HELLA | 7506A | 🇲🇽 MX | IncandescentBulb Diameter: 26.5 mm | View on Amazon |
| HELLA | 7506NA | 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| WAGNER | 17638NA | 🇲🇽 MX | Natural AmberBAU15S Base | 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.
8 Turn Signal Lamp Bulb parts for the 2018 BMW 118I come from 2 brands — HELLA and WAGNER. The "Popular" part is HELLA 7506.
Extended Life: 3 parts, from HELLA and WAGNER. A representative part number is HELLA 7506ALL.
Standard Replacement: 5 parts, from HELLA and WAGNER. A representative part number is HELLA 7506.
This group includes HELLA 7506, HELLA 7506ALL and HELLA 7506LL and the remaining parts above.
Buying Electrical Bulb & Socket Parts for a 2018 BMW 118I
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 1.5L L3 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: Turn Signal Lamp Bulb and Headlamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2018 BMW 118I?
Our catalog currently lists 35 electrical bulb & socket parts for the 2018 BMW 118I across 10 subcategories and 4 brands, covering the 1.5L L3 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2018 BMW 118I?
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 2018 BMW 118I 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 2018 BMW 118I?
Every part on this page is matched to the 1.5L L3 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 2018 BMW 118I
Electrical Bulb & Socket Parts for Other BMW 118I 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.