Wavetrac Differential Upgrade Exchange for M135i, M140i & More!

 Starting with the F Series M135i/M140i, Regal Autosport are now stocking Wavetrac ATB LSD equipped axles!Wavetrac is the most technologically advanced ATB LSD available on the market, with the patent-protected features its design delivers performance and longevity like no other. Find out why Wavetrac’s ATB LSD is unrivalled by clicking the link here. 

Most BMW axles from 07 onwards came with a friction welded ring gear and open differential. This causes some headaches for installation concerning vehicle downtime while the factory differential/ring gear is separated by precisely machining the parts away.

Regal Autosport has now solved this, starting with the 33107599411 3.08 215 axles, most commonly found in the M135i/M140i. A full application list can be found at the bottom of this post.

Each exchange axle comes complete with the following:

  1. Wavetrac ATB LSD
  2. ARP Ring Gear Bolts
  3. New, Genuine BMW Axle Seals
  4. Backlash Setup to OE Tolerances
  5. Precisely Machined Ring Gear

You will need to spec oil, for this application we advise for Motul Competiton 75w140.

The exchange process is a simple 2 step process you can find below, we also offer a drive-in, drive-out service at our Southampton facility.

  1. Pay for the product + the exchange deposit and we will send out to you a 30.309.155WKFM1.
  2. We will then refund the exchange deposit if a complete, usable (in good working order) axle is received within 10 working days. Axles which require maintenance/repair to be put into service or are not in working order will not be refunded.

Current pricing is as follows: 

  • Wavetrac ATB LSD Built Differential for F Series M135i/M140i £1999inc VAT includes: 
    • Wavetrac ATB LSD
    • ARP Ring Gear Bolts
    • New, Genuine BMW Axle Seals
    • Backlash Setup to OE Tolerances
    • Precisely Machined Ring Gear
  • Exchange Deposit £480inc VAT
  • Motul Competition 75w140 £24inc VAT per litre
  • Shipping to any UK mainland address £55inc VAT
  • Shipping to Mainland Europe from £60inc VAT
  • In-house Installation £255
  • Drive-in, drive-out service from £2199inc VAT includes: 
    • Wavetrac ATB LSD Built Differential for F Series M135i/M140i
    • Motul Competition 75w140
    • In-house installation

Applicable Models: 

 

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