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A Modified 2005 BMW M3 Coupé Goes on Sale in California
A well-documented 2005 BMW M3 E46 with the Competition Package, repainted, extensively modified, and showing 96,000 miles on the odometer, is up for sale.
By Charlotte Redford · 4 min read
A 2005 BMW M3 Coupé of the E46 series with the Competition Package is for sale, and the listing describes a long list of technical modifications. The vehicle was originally finished in Jet Black and was repainted in Laguna Seca Blue by its current owner in 2022. For the paint job, the car was partially disassembled, and photos of this process are included with the listing. The car is registered in California, and the clean California title is in the name of the current owner. The odometer reads roughly 96,000 miles, with the current owner having added about 3,000 miles. A Carfax report shows no accidents or reported damage.
Under the hood is the 3.2-liter S54 inline-six engine, combined with a six-speed manual transmission, a limited-slip differential, and rear-wheel drive. The engine management has been replaced with TTFS Alpha-N software. A CSL-style Karbonius intake system and a matching valve cover cover have also been installed. The Double VANOS system has been upgraded, and the rod bearings were renewed during the 2023 oil change. Under the current owner, Supersprint exhaust components with four tailpipes were also added. A carbon strut tower brace and a rear subframe reinforcement kit, installed in September 2023, complete the work.
The suspension and brakes have also been revised. An Öhlins Road and Track suspension is fitted, along with yellow Brembo calipers and drilled, slotted brake discs on all four wheels. The 19-inch M Cross-Spoke Style 163M wheels are mounted with different widths at the front and rear and shod with Hankook Ventus V12 Evo2 tires. The factory Dynamic Stability Control has been retained, so the electronic safety systems remain active.
Exterior features include a carbon fiber roof, a front bumper, a trunk lid, and a CSL-style rear diffuser. The clear coat on the carbon roof edges already shows signs of aging. A paint protection film has covered the front area since 2023, though scratches are still visible on the lower bumper. The windshield, xenon headlights, taillights, and seals have also been replaced. Further equipment includes Shadowline trim, rain-sensing wipers, and Park Distance Control.
The interior features Recaro Pole Position seats in Cinnamon leather with embossed M logos. The doors and rear bench are also leather-trimmed. The CSL-style center console was installed by Karbonius, together with carbon trim. The headliner was renewed in 2022. The audio system is by Harman Kardon, the radio is an Avin unit, and the air conditioning is automatic.
The legal status of the modifications remains open. The engine software, intake system, and exhaust may not be CARB-compliant, meaning they may not conform to California emissions regulations. The vehicle passed the California smog inspection in June 2026. The sale is being handled on behalf of the owner, and invoices for the modifications and photos of the work are included with the listing. Buyers can therefore trace the history of each modification before making a decision.
Source: bringatrailer.com
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