case studies

German Car Accessories: 20% → 45% Revenue From Email in a “Non-Email” Niche

Proved email works in automotive aftermarket by building lifecycle systems that 2x’d total store revenue and delivered the brand’s best Black Friday in 4+ years.

Automotive
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results
the brand

German Car Accessories is a DTC ecommerce brand selling aftermarket parts for BMW, Audi, and Mercedes vehicles. The catalog spans exterior mods, exhausts, wheels, interior upgrades, and performance accessories.

Like many automotive brands, the assumption was that customers were transactional buyers who wouldn’t engage with email marketing. That assumption turned out to be very wrong.

the challenge
  • Only basic flows live (welcome + abandonment) with no active campaign sends
  • Email performance far below what the list size justified
  • No ongoing optimization or strategy — “set it and forget it” approach
  • Internal belief that “our customers don’t resonate with email”
  • Massive revenue left on the table despite strong traffic and demand
the goal
  • Turn email & SMS into a meaningful, predictable revenue channel
  • Prove email works in the automotive niche
  • Build systems that scale through peak periods (especially BFCM)
  • Increase list growth and engagement without hurting the brand
the strategy
  • Built a system designed specifically for how automotive customers actually buy — not generic ecommerce tactics
  • Build real lifecycle infrastructure beyond basic flows
  • Introduce consistent, planned campaigns (not reactive blasts)
  • Educate customers on fitment, upgrades, and use cases
  • Pair email with SMS for urgency during key moments
  • Execute fast ahead of Black Friday without cutting corners
the execution
  • Audited existing Klaviyo setup and rebuilt core flows with updated strategy, copy, and structure
  • Optimized flows for real buyer behavior: research → consideration → purchase
  • Implemented a consistent campaign calendar with product education, category highlights, and upgrade-focused emails
  • Seasonal and event-based planning with advance prep and review (no last-minute sends)
  • Paired SMS with email strategically during launches and sales — captured urgency without burning the list
  • Built BFCM campaigns fast but correctly, with time for client review and adjustment
the results
  • Email & SMS revenue grew from 20% to 45% of total store revenue
  • 2x total store revenue in 6 months
  • 4x monthly email & SMS revenue
  • 2x list growth
  • Best Black Friday in over 4 years
WHY THIS WORKED
  • Built around how automotive customers think and buy
  • Created structure and consistency where there was none
  • Stayed ahead of execution (not reactive)
  • Focused on partnership, not just delivery
client review

“Max and his team have been amazing since day 1. They’ve been on top of everything, are very responsive. In only 3 months, I have already seen a 20% total revenue increase, and over 110% Klaviyo Attributed revenue increase!”

German Car Accessories