E9X / E8X LS SWAP

Late Model BMW Swap Experts

Everything you need—mounts, crossmember, CAN, accessory drive, and support.

Designed for E9X fitmentInstall guides included
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POWER & RELIABILITY

LS Engine Performance Parts

From cams to intake and cooling—parts that make power and survive track days.

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Real LSe9x swaps from our customers. See what's possible, then submit yours to get featured.

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Most commonly purchased items by swappers

E9X, E8X Full LS Swap Kit - Sanden Ac Accessory Drive E9X, E8X Full LS Swap Kit - Sanden Ac Accessory Drive E9X, E8X Full LS Swap Kit - Sanden Ac Accessory Drive E9X, E8X Full LS Swap Kit - Sanden Ac Accessory Drive
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E9X, E8X Full LS Swap Kit - Sanden Ac Accessory Drive From $755.00
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LSe9x Holley Can to BMW conversion box Quick view
LSe9x Holley Can to BMW conversion box $250.00
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335i/135i E and F series Splined Differential Adapter 335i/135i E and F series Splined Differential Adapter 335i/135i E and F series Splined Differential Adapter 335i/135i E and F series Splined Differential Adapter
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335i/135i E and F series Splined Differential Adapter $225.00
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Lse9x LS Swap 1-7/8 Long Tube Headers Lse9x LS Swap 1-7/8 Long Tube Headers Lse9x LS Swap 1-7/8 Long Tube Headers Lse9x LS Swap 1-7/8 Long Tube Headers
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Lse9x LS Swap 1-7/8 Long Tube Headers $865.00
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E9x, E8X LS Swap Engine Mounts With Cross Member E9x, E8X LS Swap Engine Mounts With Cross Member E9x, E8X LS Swap Engine Mounts With Cross Member E9x, E8X LS Swap Engine Mounts With Cross Member
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E9x, E8X LS Swap Engine Mounts With Cross Member From $415.00
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Why LSE9x

The E9X LS swap standard.

Designed & tested by us
Real-world track and street validation.
Engineered for E9X fitment
Clearances, angles, serviceability considered.
Install guides + real support
Docs, wiring help, human answers.
BMW CAN/cluster integration that works
Tach, AC request, Integrations, no guesswork.

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E9X, E8X Full LS Swap Kit - Sanden Ac Accessory Drive

$755.00
Transmission Option: DCT/8hp
Accessory Drive Spacing: Truck
Chassis: 2wd

Free LSe9x Swap Checklist (PDF)

A helpful checklist covering mounts, wiring, fuel, cooling, and driveshaft so you can plan the swap without missing anything.

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Lse9x How to Guides Blog

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BMW E9X & E8X Body Styles Explained: The Ultimate LS Swap Guide
BMW E9X & E8X Body Styles Explained: The Ultimate LS Swap Guide

When people talk about swapping a BMW 3 Series, most of the time they are referring to the E9X chassis. The E90, E91, E92, and E93 models made up the...

LT‑Swap Wiring Guide for BMW E9x/E8x Chassis (GM E92 ECU)
LT‑Swap Wiring Guide for BMW E9x/E8x Chassis (GM E92 ECU)

LT‑Swap Wiring Guide for BMW E9x/E8x Chassis (GM E92 ECU) UNDER CONSTRUCTION This guide shows how to wire a GM Gen‑V LT engine with an E92 ECU into a BMW E9x/E8x chassis. It reuses...

LS vs LT Swaps in BMWs: Why the LT Might Be the Smarter Move
LS vs LT Swaps in BMWs: Why the LT Might Be the Smarter Move

LS vs LT Swaps in BMW E9X and E8X Cars: Why the LT Is Becoming the Better NA Option The LS used to be the obvious answer when someone wanted...

How to Activate Reverse Lights on Your BMW E9X LS Swap
How to Activate Reverse Lights on Your BMW E9X LS Swap

One common issue when swapping an LS engine into a BMW E9X (E90, E91, E92, or E93) is figuring out how to get the reverse lights working. From the factory,...

Part 1/4 Lse9x Swap Series

See Our Four Part Swap Series

LSE90 Swap Tutorial Video Series
LSE90 Swap Tutorial Video Series

Please see our 4 part series for a detailed view of swapping your own E90! Lse9x Swap Series Part 1 Lse9x Swap Series Part 2 Lse9x Swap Series Part 3...