Genuine BMW OE Rear Brake Line/Hardline Pipe – Hydraulic Steel Rigid Tube, Rear/Back Axle – E8x E9x (E81 E82 E87 E88 E90 E91 E92 E93) & E84 X1, 1/3 Series – Part 34326853525, M10x1 – Fits 130i 335i E9x M3

BMW OE Rear Hydraulic Hardline for Back Axle - Part No. 34326853525

Refresh your stopping power with an original equipment rear rigid brake tube that matches factory spec and restores confidence under hard braking. This BMW back axle hardline is the correct OEM replacement for popular E8 series and E9 series chassis codes plus the E84 X1, making it the smart fix for MOT brake pipe corrosion, leaks or spongy pedal feel after years of road use.

Engineered by BMW for precise routing and geometry, this rear hard brake line uses the correct flare and thread to integrate with the standard hydraulic system. Installation is straightforward with the right tools and a proper bleed, returning crisp, consistent pedal response on road and track.

Why this OEM rear hardline is the right choice

• Original BMW component for exact fit and factory quality
• Correct flare nuts both ends M10 x 1 for seamless hook up to existing unions
• Designed to match OEM routing for E8 and E9 platform vehicles plus E84 X1
• Ideal cure for MOT advisory or failure due to corroded rear brake tubing
• Asbestos free construction
• Proven in our workshop with excellent feedback on pedal feel once bled

We have installed this part on numerous customer cars as well as our own builds. Owners consistently comment on the perfect fit, clean finish and improved brake pedal consistency after replacement and correct bleeding.

Fitment details

Compatible with the following chassis and body styles. If you are unsure, request a compatibility check before ordering.

1 Series

• E81 3 door hatch 02/2006 to 12/2011
• E87 5 door hatch pre LCI 02/2003 to 02/2007
• E87 LCI 5 door hatch 01/2006 to 06/2011
• E88 cabriolet 11/2006 to 10/2013
• E82 coupé 11/2006 to 10/2013

3 Series

• E90 saloon pre LCI 02/2004 to 09/2008
• E90 LCI saloon 07/2007 to 12/2011
• E91 touring estate pre LCI 02/2004 to 08/2008
• E91 LCI touring estate 07/2007 to 05/2012
• E92 coupé pre LCI 05/2005 to 02/2010
• E92 LCI coupé 11/2008 to 06/2013
• E93 convertible pre LCI 09/2005 to 02/2010
• E93 LCI convertible 11/2008 to 10/2013

X Series

• X1 E84 09/2008 to 06/2015

Suitable across the platforms listed for models including 130i, 335i, X1 35iX and E9x M3 where applicable.

Part number

BMW OE: 34326853525

Fitting service

Professional installation is recommended. For specialist fitting, book in with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check before dispatch

We verify fitment prior to shipping. Add your UK registration or the last 7 digits of your VIN at checkout so we can confirm this rear hardline suits your specific vehicle.

Manufacturer and warranty

Manufacturer: BMW

Warranty: Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout on compatible vehicles.

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