Genuine BMW F20 F21 F22 F23 F30 F31 F32 F33 F34 F36 F25 F26 Accessory Belt Service Kit - fits M135i, M235i, 335i, 435i, X3 35i, X4 35i, X4 M40i
Keep your N55-powered BMW running smoothly with this genuine BMW accessory belt service kit. This OEM serpentine belt kit - also known as a drive belt kit, aux belt kit or alternator belt kit - restores quiet, reliable operation of the belt drive and prevents charging issues that can leave you stranded. Over time, the belt, tensioner and idler pulley wear, squeal and lose tension. This complete kit refreshes everything in one go with factory parts for perfect fit and long-term reliability.
Ideal for BMW F20, F21, F22, F23, F30, F31, F32, F33, F34, F36, F25 and F26 models with the N55 3.0 turbo engine including M135i, M135i xDrive, M235i, M235i xDrive, 335i, 335i xDrive, 435i, 435i xDrive, X3 35i xDrive and X4 35i or X4 M40i. If you are searching for BMW M135i belt kit, BMW M235i serpentine belt, BMW 335i belt tensioner, BMW 435i drive belt kit, or N55 accessory belt kit, this genuine set is the solution we recommend and use ourselves.
Why choose genuine BMW over aftermarket for your accessory belt replacement:
- OEM fit and finish - correct length ribbed V-belt, precise belt tensioner and deflection pulley alignment
- Quiet, smooth operation - cures belt squeal and chirp on cold start and under load
- Reliability you can trust - prevents alternator charging faults caused by a slipping or failing belt
- Complete kit convenience - everything you need in one box for a proper belt drive service
We have installed this kit on our own cars and customer vehicles with excellent results. Customers report quieter running, smoother accessory drive and peace of mind on daily drives and spirited road use.
What’s Included
- Ribbed V-belt - genuine BMW serpentine belt for N55
- Mechanical belt tensioner - maintains correct belt tension
- Deflection pulley - OE idler for stable belt tracking
- ASA bolt - new replacement bolt for correct installation
Compatibility - N55 3.0 Turbo Models
- BMW 1 Series F20 (04/2011 — 02/2015) - M135i, M135i xDrive
- BMW 1 Series F20 LCI (06/2014 — 06/2016) - M135i, M135i xDrive
- BMW 1 Series F21 (12/2011 — 02/2015) - M135i, M135i xDrive
- BMW 1 Series F21 LCI (06/2014 — 06/2016) - M135i, M135i xDrive
- BMW 2 Series F22 (10/2012 — 06/2016) - M235i, M235i xDrive
- BMW 2 Series F23 (03/2014 — 06/2016) - M235i, M235i xDrive
- BMW 3 Series F30 (04/2011 — 07/2015) - 335i, 335i xDrive
- BMW 3 Series F31 (08/2011 — 06/2015) - 335i, 335i xDrive
- BMW 3 Series F34 GT (07/2012 — 06/2016) - 335i, 335i xDrive
- BMW 4 Series F32 (11/2012 — 06/2016) - 435i, 435i xDrive
- BMW 4 Series F33 (03/2013 — 06/2016) - 435i, 435i xDrive
- BMW 4 Series F36 Gran Coupé (07/2013 — 06/2016) - 435i, 435i xDrive
- BMW X3 F25 (07/2009 — 08/2017) - X3 35i xDrive
- BMW X4 F26 (06/2013 — 03/2018) - X4 35i xDrive, X4 M40i xDrive
Search terms covered: BMW accessory belt kit, BMW serpentine belt kit, BMW drive belt kit, N55 belt tensioner kit, M135i belt, M235i belt, 335i belt, 435i belt, alternator belt kit, idler pulley, deflection pulley, OEM BMW belt kit.
Part Number
11282457049
Compatibility Check
To ensure perfect fitment, we run a compatibility check before dispatch. Enter your UK registration number or the last 7 digits of your VIN at checkout and we will confirm this belt kit suits your car.
Fitting Service
Prefer professional installation. Nforcd offers in-house fitting in Warwickshire. Request a quote at Sales@nforcd.com and our team will get you booked in.
Manufactured By
BMW - Genuine BMW Parts.
Warranty
Two years manufacturer warranty for UK customers and one year for international customers when a compatible VIN is provided at checkout.