AWE Tuning Axle-Back Exhaust – BMW 330i / 430i (G2X, B48)

OVERVIEW

AWE Tuning's axle-back exhaust for the G20 330i and G22 430i picks up just before the rear axle and runs a full single 3" route that splits to dual 3" outlets. The Track Edition has no muffler at all, purely to raise the volume of the four-cylinder while staying 50-state emissions compliant. The Touring Edition adds AWE's 180 Technology for drone-free daily driving.

A single cut at the factory cut point is all it takes, and AWE includes a factory-style sleeve clamp so you can return to stock if needed. AWE's guidance: on the 330i with stock emissions equipment, go Track Edition; on the 430i, go Touring Edition. Select the edition and tip finish at the variant level.

SPECS

• 3" CNC mandrel-bent, .065" wall T304L stainless steel
• Track Edition (no muffler, loudest) or Touring Edition (180 Technology drone cancellation)
• Up to 8 hp and 10 lb-ft at the wheels
• Weight: Track 17 lb, Touring 30.5 lb, stock 34.5 lb
• Dual 4.5" (114mm) double-walled slash-cut tips in Chrome Silver or Diamond Black
• Valve motor simulator included
• 50-state legal; no tune required
• AWE No CEL Guarantee and Lifetime Warranty

PARTS INCLUDED

• Axle-back inlet tube and Track or Touring rear section
• Two tip outlets and two 4.5" tips in the selected finish
• 85mm sleeve clamp and 3" band clamps
• Tip hardware kit and 3/8" clamp kit
• Valve motor simulator, dowel pin and cable ties

TECH RESOURCES

Additional Parts Required

• None. AWE specifies no additional parts and no tune; the valve motor simulator is included.
• Installation requires one cut at the factory cut point. Professional installation on a lift is recommended.
• Optional, to switch editions later: AWE Exhaust Conversion Kits for 330i / 430i.

Installation

• AWE Axle-Back Exhaust for BMW G2X 330i / 430i installation instructions (Rev 1.2, PDF)

Notes

• Edition and tip finish are selected at the variant level.
• AWE: engineered for the sedan and coupe; not for the G26 Gran Coupe. 2025+ models are not confirmed by AWE. The G21 Touring and G23 convertible are not confirmed by AWE.
• The US-market 330i / 430i engine is designated B46 (B48 family).

PART NUMBER

• 3020-32429 (Track Edition, Chrome Silver)
• 3020-33429 (Track Edition, Diamond Black)
• 3015-32429 (Touring Edition, Chrome Silver)
• 3015-33429 (Touring Edition, Diamond Black)

VEHICLE APPLICATIONS