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Case study

$5.42 Per Lead.
Three Resets.
One Working Engine.

Complete 4x4 is Melbourne's 40-year-old 4x4 accessories and installation specialist. We inherited a broken account from a previous agency and rebuilt it, three times, each reset tighter than the last.

Client
Complete 4x4
Industry
4x4 accessories
Location
Burwood VIC
Period
18 months

Before we stepped in: Why were we called in?

The Execution Plan. 18 months, three resets.

Most agencies inherit a messy account and try to optimise inside the constraints they're given, tweaking bids, never touching the architecture. We reset the account three times, each reset cutting deeper into what wasn't working.

PHASE 01

Takeover and stabilisation. (Oct–Dec 2024)

Our first move was removing the previous agency's users and auditing the mess. Six legacy campaigns were bleeding budget into loose match types and broad targeting. Through Q4 2024 we paused every non-performing ad group, rebuilt the Website Phone Call conversion (attribution switched to data-driven, call length tuned), turned OFF Final URL expansion on PMax so traffic went only to validated landing pages, and rewrote conversion definitions so primary actions were genuine commercial signals.

PHASE 02

First reset, rebuilding on Target ROAS. (Feb 2025)

We rebuilt the account from the ground up. A new Performance Max campaign launched on Maximize Conversion Value with Target ROAS, the right bid strategy for a product-plus-install business. Geo-tuned to 10km Dandenong and 15km Burwood with Frankston and Mentone layers. A shopping product feed integrated with 182 TJM-specific SKUs.

PHASE 03

Branded Search and competitor defence. (Jul–Oct 2025)

We built a standalone Branded Search campaign for direct brand defence, 35+ Complete 4x4 keyword variants as exact match at a $0.75 bid cap. Through July and August, 200+ competitor negative keywords were added: Road Runner Offroad, Ocam 4x4, 4WD Supacentre, Man 4x4, Kings 4x4, Dobinsons, Pedders.

PHASE 04

Second reset, the Search-Installation campaign. (Oct 2025)

We launched a tightly scoped new campaign: Search – Installation. Purpose-built for bullbar and 4WD installation buyers. Started at $5/day to validate search term quality, scaled to $50/day within hours once the signal looked clean. Within a week we had data showing Performance Max was outperforming Search on CPA, but Search-Installation was capturing the installation-specific buyer we couldn't get otherwise.

PHASE 05

The 824-keyword mass negative upload. (Jan 2026)

We applied an 824-keyword negative exact-match list to Performance Max, the most aggressive cleanup in the account's history. Every wrecker search, every used parts query, every competitor location, every DIY tutorial intent, 824 non-buyer terms excluded in a single upload. PMax spend started landing only on genuine bullbar, suspension and 4x4 installation buyer searches.

PHASE 06

Third reset, precision targeting. (Feb 2026)

Asset groups rebuilt. Search themes shifted from brand-specific ("TJM bullbars") to buyer-intent focused ("bullbar installation", "bullbar for 4x4", "nudge bars"). 14 new phrase-match keywords added on dominant buyer intent, ARB bullbar, MCC bullbar, TJM bullbar, Hilux bullbar, Ford Ranger bull bar. Proximity tightened to 5km around Burwood.

$5.42

Cost per enquiry on Performance Max, the primary growth channel. 770 tracked conversions in 7 months.

The wins we delivered.

WIN 01
770
Tracked conversions across the account.
WIN 02
$9.31
Blended cost per enquiry.
WIN 03
$5.42
Cost per enquiry on Performance Max, the primary growth channel.
WIN 04
758
Conversions from PMax alone in under 8 months.
WIN 05
2,734
Total conversion signals, calls, directions, site visits.
WIN 06
124k
Impressions, deep visibility in Melbourne's 4x4 market.
WIN 07
976
High-intent engagement signals showing deep post-click behaviour.
WIN 08
$7,171
Total spend producing this entire result, highly efficient.
THE UNLOCK

The willingness to reset. Most agencies inherit a messy account and try to optimise inside the constraints they're given. We reset three times over 18 months, each reset cutting deeper into what wasn't working. By the end, PMax was delivering enquiries at $5.42, the keyword universe was clean, every campaign had a clear commercial role, and the business could scale spend with confidence instead of hope.

Three clean resets and the account finally makes sense. We know exactly where every dollar is going, and what it's buying.Owner, Complete 4x4

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