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The Dinan Underdrive Crankshaft Pulley Kit D560-0001 fits the S85 V10 in the 2006-2010 E60 BMW M5 and E63/E64 M6. Its smaller billet crank pulley drives every belt-driven accessory 13% slower, cutting parasitic drag; Dinan quotes 6 horsepower and 4 lb-ft at 8,000 rpm on a stock car.
The pulley is billet aluminum, black anodized and engraved, as the photos show. It bolts to the factory harmonic damper, which stays in place, so crankshaft vibration control is unchanged. Two shorter Dinan belts replace the stock power steering/AC and alternator/water pump belts to match the smaller pulley.
To install, remove the stock crank pulley and belts per BMW procedure; leaving the fan and shroud in place makes the job quicker. Clean the mounting face, fit the Dinan pulley with the six M8 x 20 socket head screws and wave washers on red Loctite, and torque them to 25 ft-lb in a crisscross pattern. Then fit the Dinan belts and reinstall everything else. Dinan quotes 2 hours of labor.
Fitment is the 2006-2010 E60 M5 and E63/E64 M6 coupe and convertible with the 5.0-liter S85 V10. Emission code 5: it does not affect emissions and is legal in all 50 states. Coverage is Dinan's limited warranty: the remainder of the vehicle's factory limited warranty (up to 4 years / 50,000 miles) or 2 years with unlimited miles, whichever is greater. It ships in a carton of about 6 x 6 x 9 inches at roughly 2.6 pounds. Dinan installation instructions (PDF).
| Part Number | D560-0001 |
|---|---|
| Brand | Dinan |
| Product type | Underdrive crankshaft pulley kit |
| Kit contents | 1 crank pulley, 2 belts (power steering/AC and alternator/water pump), 6 M8x20 socket head screws, 6 wave washers |
| Construction | Billet aluminum, black anodized and engraved |
| Underdrive | 13% on all accessories |
| Dinan-quoted gains | +6 hp and +4 lb-ft at 8,000 rpm |
| Bolt torque | 25 ft-lb with red Loctite, crisscross pattern |
| Shipping dimensions | 6 x 6 x 9 in |
| Shipping weight | 2.6 lb |
| Labor time | 2 hours |
| Emission code | 5 |
| Dinan point value | 1 |
| UPC | 813725023694 |
| Warranty | Remainder of vehicle factory limited warranty (up to 4yr/50k mi) or 2yr/unlimited miles, whichever is greater |
Questions about fitment? Call (310) 231-0292 or text (310) 886-3111.
| Year | Make | Model | Chassis | Engine |
|---|---|---|---|---|
| 2006-2010 | BMW | M5 | E60 | S85 5.0L V10 |
| 2006-2010 | BMW | M6 coupe / convertible | E63/E64 | S85 5.0L V10 |
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Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.
Not returnable: special-order or custom items, and anything that has been installed, modified or altered.
Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.
Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.
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