ACL Rod Bearings - BMW E60 E63 M5 M6 - S85

This set of ACL bearings is a set we developed to achieve the bearing clearance we believe is ideal for this engine. Stock BMW bearings tend to run a little on the tight side, as do the standard ACL bearings. Because of this we have created our own...

ARP Rod Bolt Stretch Gauge 100-9942

We highly recommend using a stretch gauge when installing rod bolts and other fasteners, where it is possible to measure the length of the fastener. It is the most accurate way of measuring preload of any bolt. Simply follow manufacturer's instructions...

BE Bearings Rod Bearings - BMW E60 M5 (S85)

SP1527HK-STD-S85 Applicable for BMW engines S85B50 Standard clearance (+0.001's also available) Sold as complete set (10-cylinders) Designed and manufactured by Clevite to BE Bearing specifications. These bearings replace the factory BMW rod...

BMW S85 CP Forged Piston Set - Alusil Block

BMW S85 CP Piston Set - Alusil Block CP is our first choice for BMW pistons for most engine applications. All of these piston sets are built to your specifications, if you do not see what you need on our website please call or email for a customized...

BMW S85 CP Forged Piston Set - Sleeved Block

BMW S85 CP Piston Set - Sleeved Block CP is our first choice for BMW pistons for most engine applications. All of these piston sets are built to your specifications, if you do not see what you need on our website please call or email for a customized...

BMW S85 Crankshaft Repair Service - E60 M5 E63 M6

Our S85 crankshaft repair can turn your spun rod bearing S85 crankshaft back into a good usable crankshaft. We grind down the damaged journals and weld them back up. We then grind the crankshaft back to its original dimensions. The crankshaft is then...

BMW S85 Sleeving Service E60 M5 and M6

We offer the machining service on your BMW S85 block to install our custom designed LA Flanged Sleeves into your S85 block. This is a great solution for overboring the engine while increasing cylinder wall strength on this aluminum block. Whether you are...

BMW S85 Stroker Crankshaft

Our S85 crankshaft comes standard at 83mm of stroke. Other strokes can be custom ordered and we can assist with engineering rods and pistons to complete your custom kit. Typically we will design a kit for each specific engine build, we work with Mahle or...

BMW S85 Stroker Kit for M5 and M6

Our stroker kit can be made at any stroke. Our suggestion for most applications is 83mm. Other strokes can be custom ordered and we can assist with engineering rods and pistons to complete your custom kit. Typically we will design a kit for each specific...

Carrillo S85 Connecting Rod (BMW E60 M5 E63 M6) Set 10

We utilize Carrillo rods in applications that require rods stronger than the OEM rod. In most cases the standard Carrillo designed rod is great for supercharged applications on the BMW S85 engine. For any custom application please contact us and we can...

Carrillo S85 Connecting Rod Set (10) BMW M5 BMW M6 E63 E64 E60 Set of 10

Carrillo connecting rods are well know within pro racing and street performance circles for good reason; they produce a primium product that winning racers around the world depend on.Quality and pride go hand-in-hand at Carrillo Industries. Manufacturing...

E60 M5/M6 Underdrive pulley

Our specially designed and engineered S85 underdrive pulley kit is a great addition to the M5/M6.  This is done by improving power through reducing parasitic drag on the engine from slowing the speed of the alternator, water pump and AC compressor...

ESS E-Flash S85 ECU Tuning Software

ESS E-Flash MSS65 ECU software is a result of extensive testing and exact calibration of ECU parameters to allow increased performance on either a stock car or in combination with other modifications. The ESS MSS65 S85 software is developed and tested in...

Genuine BMW S85 Rod Bolt - Set of 20

These Genuine BMW Rod Bolts are used to secure the upper and lower connecting rod halfs. They are one time use and must be replaced when doing a rod bearing replacement. There are 20 bolts in this kit for the S85 engine.

King Racing Main Bearing Set BMW S85 - E60 M5 E63 M6

We've found this bearing to be a cost effective alternative to the Genuine BMW Main Bearings we also carry. These are also available in +.001" bearing clearance allowing you to fine tune your bearing clearances. Contact us for more information on how to...