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034Motorsport's Street Density Mounts are the new standard in comfort and performance. These mounts are redesigned with performance in mind and manufactured from high-durometer rubber for increased performance and durability without sacrificing comfort. Street Density Line Mounts are void-free and fluid-free, eliminating the slop associated with the factory mounts.
034Motorsport Street Density Engine Mounts are manufactured from 70-durometer rubber, which is a significant upgrade from the 60-durometer rubber used in stock BMW E9X M3 transmission mounts. The tail shaft of the transmission compresses the mounts, as well as puts tension on them by pulling up on the mounts, meaning that the mount materials should be able to withstand both forces. In addition to these two forces, there are also shear twisting forces within the transmission mount assembly. Given that Polyurethane cannot reliably withstand these forces, it is not a long-term viable material to use for an upgrade in this location. Rubber is the ideal material for this transmission mount upgrade, as it is able to deal with stress under tension, compression, and shear.
The result is greatly reduced drivetrain slop and crisper shifting without any noticeable increase in noise, vibration, or harshness (NVH) inside of the cabin. The solid rubber, void-free design eliminates the possibility of collapse, which is a very common issue with factory mounts. These mounts are a completely re-engineered performance solution, not just inserts for use with the factory mounts.
When Will This Ship?
Please confirm availability on the products page...
In Stock This product will ship within one business day. Available for local pickup in Québec, Canada.
Direct Ship Subject to supplier' stock. Orders typically ship within 2 to 3 business days.
Regularly Stocked Product This product is in stock from our supplier. Orders typically ship within 6 to 12 business days.
Warehouse Transfer Subject to supplier' stock. Orders typically ship within 6 to 12 business days.
On Order This item is on its way to our warehouse.
Back Order This part is back-ordered therefore shipping time will vary.
No Longer Available The manufacturer no longer sells this item, and we can no longer get it from any of our suppliers.
*The processing time and availability are subject to the suppliers’ stock.
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Free Shipping
All orders of $499 or more being shipped within Canada qualify for free standard shipping. Additionally, orders less than $499 qualify for an exclusive low shipping rate.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
In-Stock Products
In Stock
Items marked as "In Stock" are physically in our facility, so they're ready to ship when the order is placed. If all items in your order are "In Stock", then your order typically ships within one business day.
Other Availability Modes
We use several availability modes to most accurately identify when products will leave their home facility:
Direct Ship This product is available and will be sourced from one of our suppliers. It may take up to three business days before it ships.
Warehouse Transfer We receive the item, then we ship it to remain on time with the guaranteed delivery range chosen at checkout. It typically takes between 6 and 12 business days before it ships.
Discontinued - No longer available This product has been discontinued by the manufacturer and is no longer available.
We update our catalog daily to provide the most accurate fitment information possible. When shopping for parts, please use the “select your vehicle” car selector on the home page. Once you've selected your car, you can filter parts specific to it.
Additionally, on each product page, we have a tab for fitment information. By clicking on "Fitment", you can scroll and verify the part you are about to add to your cart indeed fits.
Furthermore, if you have a vehicle added to our vehicle selector and you are viewing a product page, you'll see fitment information below the "add to cart" button. If an item fits your car it will display "This Part Fits Your: Selected Vehicule". If an item does not fit your vehicle a message will display "This Part Does Not Fit".
A “Core Charge” is similar to the deposit you might pay for a can or bottle of soda. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Many automotive parts have Core Charges that work the same way as a soda can deposit. The most common car parts that include a core charge are alternators, calipers, steering racks, and fuel injectors.
"MAP" pricing, or Minimum Advertised Pricing, means that the vendor set a minimum retail price that we're not allowed to violate. MAP items cannot be discounted because the decrease in price would violate that threshold.
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