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WaveTrac Differential Installation Kit BMW 335iS E92 DCT 215K Axle 11-13



Model #30.309.174WK

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This WaveTrac Install Kit allows fitment of a Wavetrac differential in rear axles of 335i models where the ring gear is factory welded to the standard differential. Starting with cars produced in March 2007, BMW has fitted rear axles where the ring gear is welded to the differential carrier. Until now, this process has hindered enthusiast owners' ability to upgrade, but no longer: WaveTrac now offers a precision solution at a reasonable price.

Upon receipt of a customer's differential/ring gear assembly, the ring gear is separated from the stock diff using CNC equipment. The ring gear is then machined, drilled and threaded to allow bolt mounting to a new Wavetrac differential.

Parts returned to the customer:

  • Wavetrac Differential
  • Customer's machined ring gear
  • Precision-ground spacer ring
  • Set of 10 ARP ring gear bolts


  • BMW 335iS E92 DCT 215K Axle 11-13

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Vehicle Engine Notes
BMW 335i

Who is Wavetrac?

Wavetrac is a differential brand designed by Autotech driveline.  They are a company that creates aftermarket drivelines for the automotive industry. They cater to a variety of vehicles from domestic muscle cars to import sport compact performance vehicles. The company has been in the differential manufacturing business for years and has created some of the most technologically advanced differentials in the market. Today, they are recognized as one of the leading experts when it comes to automotive differentials.

Better Technology

Wavetrac differentials are proven to be better than its competitors due to their ability to create a better grip in low traction conditions. It enables the vehicle to have power on both of its wheels which results in faster acceleration and faster cornering speeds. This is why they have become the brand of choice of enthusiasts who want to have better control over their vehicle.

Better Quality

All of their products are made up of high-quality materials. Their differentials are made up of 9310 steel gears and either from hardened billet or forged steel bodies. To make sure everything is bolted together properly, Wavetrac uses ARP bolts all throughout. ARP is the best brand when it comes to bolt fasteners. With these combinations, you can be sure that you get the toughest differential out there that would be able to withstand the harshest driving condition and punishment given during high-spirited driving. 

Purchase Wavetrac at Vivid Racing

If you want to improve how your vehicle performs, do not forget to upgrade your differential as well. All the world's horsepower would not help you if you cannot transfer it efficiently to your wheels onto the ground. Wavetrac is a company that could address this dilemma. With a list of differential packages for different vehicles, they definitely have something that would fit your requirement.

Visit Vivid Racing and check out what Wavetrac has in store for you.

Wavetrac® Differential Limited LIFETIME Warranty:

Autotech Driveline warrants each new Wavetrac® Differential against defects in manufacture, material, workmanship, and wear-out when used in the vehicle application for which it was originally designed, on any motor vehicle, under any and all operating conditions, including racing, for as long as the original purchaser or any subsequent purchaser owns the differential.

The registrant must present a copy of this warranty together with a copy of the original receipt to the service outlet or parts store from whom the differential was originally purchased when making a claim for replacement or repair. All warranty claims submitted must include proof of purchase.

Failure to provide proper documentation renders warranty null and void.

Exclusion from Warranty Coverage: The warranty does not apply to any Wavetrac® Differential which (a) has been improperly installed, installed in vehicles for which it was not designated, (b) has been modified or altered by the actual user or dealer or distributor, (c) has been improperly assembled by the purchaser or his agent, (d) has been operated in Shockproof® oil, or (e) was not sold by Autotech Driveline or through an authorized Autotech Driveline dealer or distributor.

Autotech Driveline's Obligation: Autotech Driveline's obligation under this warranty is limited to replacement or repair of the defective or worn-out differential at its sole discretion. Autotech Driveline has no obligation to bear any labor or other costs of return, removal and/or installation and will not be liable for any special, incidental, or consequential damages, including loss of use of the vehicle. Some states do not allow the exclusion of limited or incidental or consequential damages, so the above limitation may not apply to you.

Warranty Claim Procedures: Contact Autotech Driveline at 29 Journey, Aliso Viejo, CA 92656-3333 USA tel (949) 362-8700 for specific instructions.

Rights of Purchaser: This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.

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