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BMW

Genuine BMW Serpentine/Aux Drive Belt Tensioner (Mechanical) OEM 11287810807 - E90 F10 F20 F25 F30 F31 F32 F33 F34 F36 F07 F11 F06 F12 F13 E84 F26 F15 F16 - 1/2/3/4/5/6/7 Series X1 X3 X4 X5 X6 - 125d 330d 535d X3 35d Diesel

Genuine BMW Serpentine/Aux Drive Belt Tensioner (Mechanical) OEM 11287810807 - E90 F10 F20 F25 F30 F31 F32 F33 F34 F36 F07 F11 F06 F12 F13 E84 F26 F15 F16 - 1/2/3/4/5/6/7 Series X1 X3 X4 X5 X6 - 125d 330d 535d X3 35d Diesel

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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.

BMW Accessory Drive Tensioning Assembly OE 11287810807

Restore quiet, smooth running on your BMW’s auxiliary drive with this original equipment tensioning unit for the ribbed accessory belt. Designed by BMW to maintain precise belt load across the alternator, power steering, water pump and air-con compressor, it helps eliminate squeaks, slip and vibration while protecting your charging system and cooling performance.

We fit this OE tensioner on our own cars and customer vehicles at MJ Modifications and it has proven superb for refinement and longevity. Feedback from BMW owners has been consistently positive: factory-grade fit, proper alignment and the durability you expect from an original part.

Key reasons to choose this OE accessory belt tensioner

  • Factory part for perfect alignment and hassle-free installation
  • Correct belt preload for stable accessory drive and quiet operation
  • Reduces belt chirp, flicker of the battery light and accessory drive judder
  • Ideal preventative maintenance on high-mileage diesel models
  • Built to BMW specification for reliability and long service life

Search-friendly terms our customers use

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Part number

11287810807

Fits the following BMW models

Compatibility covers a wide range of popular diesel variants. If in doubt, request a check using your UK registration or last 7 of VIN.

1 Series

  • F20 and F21, including 114d, 116d, 116d EfficientDynamics, 118d, xDrive 118d, 120d, xDrive 120d, 125d

2 Series

  • F22 218d, 220d, 225d

3 Series

  • E90/E91/E92/E93 LCI 316d, 318d, 320d, 320d EfficientDynamics
  • F30 and F31 316d, 318d, xDrive 318d, 320d, 320d EfficientDynamics, xDrive 320d, 325d, 328d, xDrive 328d, 330d, xDrive 330d, xDrive 335d
  • F34 Gran Turismo 318d, 320d, xDrive 320d, 330d, xDrive 330d, xDrive 335d

4 Series

  • F32, F33, F36 420d, xDrive 420d, 425d, 430d, xDrive 430d, xDrive 435d

5 Series

  • F07 GT 520d, 530d, xDrive 530d, 535d
  • F10 and F11 518d, 520d, 520d EfficientDynamics, xDrive 520d, 525d, xDrive 525d, 530d, xDrive 530d, 535d

6 Series

  • F06, F12, F13 640d

7 Series

  • F01 LCI 730d, 740d
  • F02 LCI 730Ld

X Models

  • X1 E84 16d, 18d, 20d, 20d EfficientDynamics
  • X3 F25 18d, xDrive 20d, xDrive 28d, xDrive 30d, xDrive 35d
  • X4 F26 xDrive 30d, xDrive 35d
  • X5 F15 sDrive 25d, xDrive 25d, xDrive 30d, xDrive 40d, M50d
  • X6 F16 xDrive 30d, xDrive 40d, M50d

Pro tip for maintenance

For best results, renew the V-ribbed accessory belt and inspect the idler pulley at the same time. A fresh belt and a new tensioning assembly help prevent squeal on cold starts and ensure stable charging and cooling.

Professional fitting

Want it installed by BMW enthusiasts who work on these platforms daily? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check before dispatch

We confirm suitability before shipping. Add your UK reg or last 7 of VIN at checkout and we will verify this OE tensioner is correct for your vehicle.

Warranty

Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.

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