BMW
Genuine BMW Serpentine Belt 7PK 1855 (7PK1855) for E82/E88/E90/E91/E92/E93 135i, 1M, 335i OEM Ribbed V Auxiliary/Accessory Drive Belt Part 11287628652
Genuine BMW Serpentine Belt 7PK 1855 (7PK1855) for E82/E88/E90/E91/E92/E93 135i, 1M, 335i OEM Ribbed V Auxiliary/Accessory Drive Belt Part 11287628652
Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.
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Original BMW 7PK1855 Multi‑Rib Auxiliary Drive Belt - P/N 11287628652
Keep your 1 Series and 3 Series smooth, quiet and reliable with this factory BMW multi‑rib accessory belt. This 7‑rib 7PK1855 drivebelt is the correct OE length and profile for E82 and E88 135i, the E82 1M Coupe, and E90, E91, E92, E93 335i models. Ideal for preventative maintenance or curing cold‑start squeaks and chirps, it delivers consistent grip and long service life.
Why buy this belt
- Original BMW part for perfect alignment and tension with standard pulleys
- 7‑rib 7PK1855 specification for stable, slip‑free performance
- Helps silence belt noise at idle and under load
- Durable construction to handle heat, boost and spirited road use
- Used by MJ Modifications on customer cars and our own builds with excellent results
What this belt drives
Designed to power the alternator, power steering assistance, engine coolant pump and air con compressor, this multi‑vee belt is critical to charging, cooling and comfort. Choosing the genuine item ensures the right length, the right rib profile and quiet, efficient operation.
Vehicle fitment
- BMW 1 Series
- E82 135i Coupe and 1 Series M Coupe
- E88 135i Convertible
- BMW 3 Series
- E90 335i Saloon
- E91 335i Touring
- E92 335i Coupe
- E93 335i Convertible
- Fits both pre‑facelift and facelift models
When to replace
- Glazing, cracking or frayed ribs on inspection
- Squeak on cold start or chirp under acceleration
- Intermittent battery charging, heavy steering or weak air con
- As preventative upkeep during major service or pulley replacement
Order with confidence
We will confirm suitability before dispatch. Add your UK registration or the last 7 of your VIN at checkout and our team will verify the belt against BMW records so you get the correct part first time.
Professional fitting
Prefer us to install it. MJ Modifications offers expert fitting in Warwickshire. Request a quote at info@mjmodifications.co.uk and we will get you booked in.
Warranty
Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.
Technical details
- Type: Multi‑rib auxiliary drive belt, poly‑V, accessory belt, fan belt, alternator belt
- Size: 7PK 1855
- Part number: 11287628652
- Manufacturer: BMW
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