BMW E30 3-Series Brake Hose Parts

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Please verify size of existing hose prior to ordering, original hose may be blue or black and rated for brake fluid. Replacement hose is now black/gray in color and replaces 34321112459 and N203501 hose...
Audi, BMW, Mercedes, VW
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$26.99
Reg
$28.11
List
$23.53
OEM
Connection hose between hard lines.
BMW 325i, M3, 535i, 530i, 540i, 525i, 2002, M5, 740i, 320i & more
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$11.79
Reg
$12.28
List
$53.77
BMW X5, 328i, X3, 325i, M3, 535i, 530i, 528i, 330i, 335i & more
Mini Cooper, Cooper Countryman, Cooper Clubman, Cooper Paceman
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$2.89
Reg
$3.01
List
$1.88
Sold by the meter.
BMW 325i, M3, 530i, 528i, 320i, 325is, 318i, 325e, 325iC, 528e & more
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$19.69
Reg
$20.51
List
$47.17
BMW X5, 328i, X3, 325i, M3, 535i, 530i, 528i, 330i, 335i & more
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$20.99
Reg
$21.86
List
$22.01
BMW 328i, 325i, M3, 535i, 525i, M5, 325is, 318i, 635CSi, 325iC & more
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$147.99
Reg
$154.16
List
$217.56
OEM
2 per car.
BMW 328i, 325i, M3, 535i, 530i, 540i, 525i, Z3, M5, 740i & more
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$14.69
Reg
$15.30
List
$86.33
BMW 325i, 525i, 325is, 325iC, 325iX
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$85.99
Reg
$89.57
List
$95.82
1 per car.
BMW 535i, 525i, 735i, 325iX, 525iT, 735iL
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$75.99
Reg
$79.16
List
$95.33
OEM
2 per car.
BMW 325i, M3, 2002, 325is, 318i, 325e, 325iC, 325, 318iC, 1600 & more
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$18.49
Reg
$19.26
List
$130.55
BMW 328i, 325i, M3, 330i, 330Ci, 325Ci, 325xi, 325is, 318i, 330xi & more
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$2.39
Reg
$2.49
List
$2.16
BMW 325i, M3, 325is, 325e, 325iC, 325
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$123.99
Reg
$129.16
List
$206.72
BMW X5, 328i, X3, 325i, M3, 330i, 335i, X1, 330Ci, 328i xDrive & more
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$14.19
Reg
$14.78
List
$12.03

Based on industry averages you can expect to pay between $2.39 and $147.99 for a BMW E30 3-Series brake hose.

How Do I Know When To Replace The BMW E30 3-Series Brake Hose?

You start to notice little things at first—a squishy brake pedal on a cold morning or a faint line of fluid where there shouldn’t be any. If you spot small cracks in the hose, bulges where the rubber should sit flush, or dripping fluid near the brake fittings, that’s your alert. A spongy brake feel often means the line has weakened from the inside. Hoses don’t keep forever; checking every few years is just smart, even if you aren’t out on the roads every day. Any odd brake smell, fluid seeping out near the hose, or random pulls to one side when stopping deserve a closer look. Stay ahead of the game and give your brake hoses regular inspections, especially once your E30 hits those classic years. It only takes a few minutes, but it can save you from bigger headaches.

What Are The Signs Of A Failing BMW E30 3-Series Brake Hose?

A healthy brake hose should look tight and dry, even as the miles add up. If you spot wet spots at the hose ends or see telltale cracks across the rubber, there’s trouble brewing. Sometimes a failing hose blocks up on the inside—press the pedal and if it suddenly feels soft, long, or slow to grab, take a closer look. You might also see swelling along the hose, or even brakes engaging unevenly, which makes for a jittery drive. One side might grab first or feel weaker. These odd symptoms tell you it’s time to check things over, since keeping the brake system strong keeps your E30 lively and safe.

What Type Of Brake Hose Is Best For BMW E30 3-Series?

It feels like a question everyone has an answer to. Original rubber hoses do the job, especially on Sunday drives or errands around town. But if you plan to push your E30 harder—or just want a firmer pedal—stainless steel braided hoses really shine. They resist swelling, hold up longer, and survive in hot, gritty conditions. Brake feel gets sharper and braking power comes in right away. Both braided and rubber hoses meet safety standards if you stick to trusted brands. Think about your roads, weather, and how you drive. Some owners want an upgrade; others like to keep the car stock. The E30’s classic style works either way.

How Difficult Is It To Replace BMW E30 3-Series Brake Hose At Home?

If you’ve changed oil or replaced a tire before, tackling a brake hose fits in that skill set. You’ll need basic sockets, line wrenches, jack stands, and a way to bleed the brakes. The steps are clear: lift the car, take off the wheel, loosen the hose at both ends, swap in the new one, then bleed away any air. It isn't a race, so working slowly pays off—especially with rusty bolts. Some patience, clean hands, and following the steps in a manual can see you through. Invite a helper—bleeding brakes is easier with a second set of feet. Even on a driveway, you can pull this off.

What Is The Typical Lifespan Of A BMW E30 3-Series Brake Hose?

Rubber brake hoses usually see 5-7 years before time and the elements catch up, though dry climates may let them last well beyond that. If your E30 lives where salt and rain mix in, they might go sooner. Some hoses on pampered cars look fine after a decade, but that’s more luck than rule. Stainless braided versions stretch the timeline further, shrugging off weather and pressure. No hose lasts forever, though, and it pays to check at regular intervals. When in doubt, swap them—reliable brakes are worth it, classic or not.

Why Choose Us For Your BMW E30 3-Series Brake Hose?

Picking out the right brake hose matters. At AutohausAZ, we keep it simple. No dealer markup, no mystery sourcing—just the parts your car needs at prices that make sense. We ship orders fast, right from our warehouse, because we know nobody wants to wait when your brakes are in question. Changed your mind or got the wrong part? No drama, send it back, and we’ll get it sorted. Our staff actually knows E30s, too, and will walk you through fitment, upgrades, or anything else you get stuck on. We want you to finish repairs with money left, not a headache. When your E30 needs new brake hoses, count on us for honest service, quick shipping, and help when you need it. Let’s keep these classics driving right—one part at a time.