As an alternative to the Cryo hub listed above, the D300 hub is a stock BMW hub that has been machined and modified with heavy-duty oil pump tabs for maximum durability. The oversized tabs are designed to work with the original oil pump disc, so drilling smaller holes in the disc is not required. The D300 will also work with our rebuilt vanos without any other modifications.

S54 D300 Exhaust Hub

Price: $850 - In Stock

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The D300 hub price includes a fully refundable $50 core deposit for your old hub (broken or not). You can return your old hub to us using the supplied UPS return label in the box and we will refund your $50 core deposit to you within 1-2 business days for a net price of $900.

Send us your oil pump disc and we will CNC drill new holes which are slightly smaller than the stock holes (9.75mm), eliminating as much play as possible. This will help reduce the chances of hub tab failures when used with your stock hub, or combine it with our Cryo hub above for unmatched durability.

We can also drill the hub with new stock sized holes if using the D300 hub instead. S54 Disc

Send us your oil pump disc - Price: $150

Send us your oil pump disc and we can redrill new holes at 9.75mm (smallest possible size) and send it back out the same day in most cases, or by the following business day. You will need to completely disassemble the pump, keep ALL the small parts, and just send the bare disc itself. We recommend either UPS or USPS Priority/Express for shipping so you can track the shipment, and be sure to include your contact information inside the box. Once the disc arrives we will contact you for payment (Paypal or Credit Cards accepted) and desired return shipping options. The shipping address can be found on the Contact Us page. Sorry, we do not sell the oil pump disc on a core exchange basis as they are far too valuable

It's a good idea to check your upper chain guide rail when removing the vanos as it makes it much easier to replace once the vanos is out of the way. These upper guides are known to wear over time and can cause some chain noise (sometimes confused for vanos rattle) at low RPM, and if left unchecked it can eventually crack or break potentially causing engine damage. Kit includes replacement crush washer.

S54 Upper Chain Guide

Price: $34

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A complete set of inner and outer bolts for the cams gears. The stock cam bolts can loosen over time and should be checked or replaced while you're in there. Highly recommended when replacing the exhaust hub. Includes Loctite® 263 capsule.

(Note tightening torque of 12Nm or 9 ft-lb) S54 Cam Bolts

Price: $30

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Motor and Transmission Mount Set made from U.S. Military Spec 75D Polyurethane for maximum durability. The motor mount is an offset bolt-through design specifically for track or autocross cars, providing a solid type mount without overly harsh noise or vibration.
Fits BMW E36 (323 325 328 M3), E46 (323 325 328 330 M3), Z3 and Z4.

Poly Motor Mounts

Price: $180

Includes a complete set of two motor mounts AND two transmission mounts
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