We are happy to announce that the Wavetrac differential is now in stock and ready to ship for the E90 and E92 335. Check out pricing and product info below! 
Picture above is the actual Wavetrac differential.
Wavetrac Differential for E90/92/93 BMW 335, E82/88 135 and E39 BMW 540 - $1100.00 with free shipping in the lower 48 states
Product Description:
The new Wavetrac® is a helical-gear limited-slip differential, but unlike other gear differentials, the Wavetrac® was designed from a clean sheet using state-of-the-art knowledge and engineering to be a better differential than any other.
Wavetrac gives you quicker acceleration and faster cornering by driving both drive wheels instead of just one. And, it offers improved no-load performance when compared to other helical gear differentials on the market.
Differential Features
• Enhanced No-Load Bias Ratio via Special Wave Mechanism
• Interchangeable Friction/Bias Plates
• Designed & Manufactured in the USA
• Case-Hardened Billet Steel Housings and High Quality 9310 Steel Gears
• Assembled Exclusively using ARP® High Strength Fasteners
• Limited LIFETIME Warranty
This Wavetrac Fits:
E82 BMW 135
E82 BMW 335
Ordering:
Website: All website orders can be done directly through our site
http://www.namotorsports.net. Please just click any of the product links above to go directly to our site.
Phone: Call us toll free at
1-877-NAMOTORS to place your order over the phone.
Payment:
Since this is a pre-order, you will be billed for the product when you place the order. This will ensure that you will receive one of the sets we have coming in. We accept all major credit cards, Paypal, money orders and wire transfers. If you are interested in paying using a money or wire transfer, please call us toll free at 1-877-NAMOTORS
Tax:
All Connecticut customers will be charged 6% Connecticut Sales tax.
Shipping:
All orders will be shipping via UPS or USPS. International customers please email or PM us for a shipping quote.
Hours of Operations:
Monday - Thursday from 9AM to 6PM EST
Friday from 9AM to 5PM EST
Saturday from 10AM to 3 PM EST
Sundays we are closed
Retail Showroom:
Come check out our new 6000 square foot facility in Vernon, Connecticut. Click
here for directions.
Website:
Our website
http://www.namotorsports.net is always open
Newsletter:
If you are interested in receiving our monthly newsletter that includes new product announcements, specials and coupons, please follow the link below to sign-up
North American Motorsports Newsletter
Contact Info:
Phone: 1-877-NAMOTORS
Email: nick@namotorsports.net
Website: http://www.namotorsports.net
PM: namotorsports
Any questions, feel free to PM me or call toll free at 1-877-NAMOTORS