999whp 2023 BMW M340i

Price / Location

$57,000 - West Monroe, LA

Posted

Jan 19, 2026

Updated

Apr 1, 2026

This is a Legacy Listing. Unlike our Verified Offers listings, this listing does not include Buyer Commitment Deposits or seller anonymity. The seller's contact information can be found within the listing details below, reach out directly to inquire.

Serious inquiries contact Johnathon at (318) 331-9073.

Essentials

VIN: 3MW49FS06P8D07581
Title Status: Clean Title
Chassis Mileage: 29,000
Build Mileage: 1,500

Description

999whp 2023 BMW M340i in Brooklyn Grey with 29,000 (Chassis) miles for sale! This G20 M340i is powered by a built B58 that’s paired with a Spool Performance stock location G35-1050 style turbocharger, and linked to a Spool Stage 3 8HP51 8-speed automatic transmission. The B58 was fitted with Spool forged pistons/rods, ACL rod bearings, King main bearings, ARP hardware, and a Project Gamma intake manifold. This setup utilizes a return style fuel system with dual Walbro pumps rated for 1100whp, MOTIV ReFlex+ with a Spool Performance race harness/port injection, and a set of Injector Dynamics ID1050X fuel injectors. Further equipped with a VRSF catless downpipe, CSF heat exchanger, rear pair of 17” WELD Racing RT-S S77 wheels wrapped in Mickey Thompson ET Street R drag radials, and carbon exterior components. Modifications were installed by Spool Performance, and tuning was handled via MHD+ by them as well with an output of around 500whp on 93 octane, and 750whp on pump E85. The car made 999whp on Ethanol One R map, it’s currently on a conservative flex fuel tune. There are only 1,500 miles on the build with over $30K in build receipts! Clean title! The asking price is $57,000, or $56,000 on stock wheels with fairly new Michelin PS4’s.

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