BMW M8 Wiring Harnesses

We found 20 eBay listings for BMW M8 wiring harnesses, covering model years 2017 to 2025.

20 listings available |11 sellers

Last checked: . Confirm current price and fitment with the seller.

Compare wiring harnesses options for the BMW M8 by part number, specification and seller fitment details. Matching listing titles mention 2017–2025; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.

What the listings say: Of the 20 listings for BMW M8 wiring harnesses checked on 6 November 2026, 17 give model years between 2017 and 2025, most often 2018–2025 (4). Positions named in the titles: left (4), driver (3). Part numbers in more than one title: 7856779. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

20 Results

Wiring Harnesses

Found 20 listings for "bmw m8 wiring harnesses"

BMW M8 M850i Wiring Harness 2017 OEM

BMW M8 M850i Wiring Harness 2017 OEM

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Used📍 US
Seller: altasautoandpartsllc
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✅ 18-25 OEM BMW F90 F91 F92 F93 M5 M8 S63M Engine Motor Wire Wiring Harness

✅ 18-25 OEM BMW F90 F91 F92 F93 M5 M8 S63M Engine Motor Wire Wiring Harness

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Used📍 US
Seller: straightsixautoparts
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✅ 18-25 OEM BMW F90 F91 F92 F93 M5 M8 S63M Main Engine Wire Wiring Harness

✅ 18-25 OEM BMW F90 F91 F92 F93 M5 M8 S63M Main Engine Wire Wiring Harness

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Used📍 US
Seller: straightsixautoparts
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✅ 18-25 OEM BMW F90 F92 F93 M5 M8 Engine Motor Transmission Wire Harness

✅ 18-25 OEM BMW F90 F92 F93 M5 M8 Engine Motor Transmission Wire Harness

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Used📍 US
Seller: straightsixautoparts
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2020 BMW M8 4.4L AWD ENGINE MOTOR TRANSMISSION WIRE WIRING HARNESS 7856779 OEM

2020 BMW M8 4.4L AWD ENGINE MOTOR TRANSMISSION WIRE WIRING HARNESS 7856779 OEM

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Used📍 US
Seller: partsboxvenice
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2018-2024 BMW F90 M5 F91 M8 S63 DME PDM Engine Wiring Link Harness OEM

2018-2024 BMW F90 M5 F91 M8 S63 DME PDM Engine Wiring Link Harness OEM

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Used📍 US
Seller: euro1link
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20-24 BMW M8 F93 2022 4.4L AWD Engine Motor Wiring Wire Harness ;:O

20-24 BMW M8 F93 2022 4.4L AWD Engine Motor Wiring Wire Harness ;:O

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Used📍 US
Seller: mdautoinc
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2018-2024 BMW F90 M5 F91 M8 S63 DME PDM Engine Wiring Link Harness OEM

2018-2024 BMW F90 M5 F91 M8 S63 DME PDM Engine Wiring Link Harness OEM

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Used📍 US
Seller: prussianmotors
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✅ 20-25 OEM BMW G16 F93 840 M850 M8 Front Left Driver Door Wire Wiring Harness

✅ 20-25 OEM BMW G16 F93 840 M850 M8 Front Left Driver Door Wire Wiring Harness

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Used📍 US
Seller: straightsixautoparts
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2018-2019 BMW F90 M5 F91 M8 Left Bank 2 Engine Wiring Harness 5-8 OEM

2018-2019 BMW F90 M5 F91 M8 Left Bank 2 Engine Wiring Harness 5-8 OEM

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Used📍 US
Seller: prussianmotors
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2020-2025 BMW M8 4.4L AWD Wiring Harness Engine Transmission 7856779 OEM

2020-2025 BMW M8 4.4L AWD Wiring Harness Engine Transmission 7856779 OEM

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Used📍 US
Seller: citymotorschicago
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OEM BMW M5 F90 M8 F91 F93 4.4L Wiring Harness Engine Transmission Module 7856779

OEM BMW M5 F90 M8 F91 F93 4.4L Wiring Harness Engine Transmission Module 7856779

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Used📍 US
Seller: waltz-garage
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2020-2024 BMW M8 AWD 4.4 S63 MOTOR ENGINE WIRES WIRING HARNESS

2020-2024 BMW M8 AWD 4.4 S63 MOTOR ENGINE WIRES WIRING HARNESS

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Used📍 US
Seller: kappkatourerv
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ENGINE WIRING LOOM HARNESS IJECTION VALV BMW M5 F90 M8 F91 F92 F93 7856771

ENGINE WIRING LOOM HARNESS IJECTION VALV BMW M5 F90 M8 F91 F92 F93 7856771

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New other (see details)📍 LV
Seller: mmpartslv
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✅ 18-25 OEM BMW F90 F92 F93 M5 M8 Left Driver Engine Fuel Injection Wire Harness

✅ 18-25 OEM BMW F90 F92 F93 M5 M8 Left Driver Engine Fuel Injection Wire Harness

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Used📍 US
Seller: straightsixautoparts
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✅ 20-25 OEM BMW F93 M8 Gran Coupe Rear Bumper Wire Wiring Harness

✅ 20-25 OEM BMW F93 M8 Gran Coupe Rear Bumper Wire Wiring Harness

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Used📍 US
Seller: straightsixautoparts
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2020 BMW M8 COMPETITION 4.4L AWD MAIN BODY WIRE HARNESS OEM

2020 BMW M8 COMPETITION 4.4L AWD MAIN BODY WIRE HARNESS OEM

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Used📍 US
Seller: partsboxanderson
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2019-2023 BMW M8 COMPETITION F92 OEM POSITIVE CABLE BATTERY WIRE HARNESS

2019-2023 BMW M8 COMPETITION F92 OEM POSITIVE CABLE BATTERY WIRE HARNESS

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Used📍 US
Seller: partsboxanderson
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✅ 20-25 OEM BMW G16 F93 840 M850 M8 Rear Left Driver Door Wire Wiring Harness

✅ 20-25 OEM BMW G16 F93 840 M850 M8 Rear Left Driver Door Wire Wiring Harness

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Used📍 US
Seller: straightsixautoparts
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WIRING HARNESS IJECTION VALV BMW M5 F90 M8 F91 F92 F93 7856775

WIRING HARNESS IJECTION VALV BMW M5 F90 M8 F91 F92 F93 7856775

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New other (see details)📍 LV
Seller: mmpartslv
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Questions about these listings

Which model years are named in the listings for BMW M8 wiring harnesses?

17 listing titles give model years from 2017 to 2025; 2018–2025 appears most often (4 listings). Check your car’s year against the fitment details in each listing.

Which positions are named in the listings for BMW M8 wiring harnesses?

The titles name left (4 listings) and driver (3). Order for the position on your car, as stated in the title or the seller’s fitment details.

Which part numbers appear in more than one listing for BMW M8 wiring harnesses?

7856779 appears in more than one title. Compare the number on your old part with the listing before you buy.

How do I check fitment before buying BMW M8 wiring harnesses?

Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.

Check compatibility before buying

These listings were found using BMW M8 wiring harnesses search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.