SKU: 68897822875

034Motorsport Density Line Bump Stops, Front, 38mm - Audi/Volkswagen PQ35/MQB - 034-403-Z005

Sale price$26.99 Regular price$29.99
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

034Motorsport Density Line Bump Stops, Front, 38mm - Audi/Volkswagen PQ35/MQB - 034-403-Z005034Motorsport Density Line Bump Stops, Front, 38mm Audi Volkswagen PQ35 MQB 034 403 Z005. 034Motorsport Density Line Bump Stops are engineered to solve one of the biggest drawbacks of lowering a vehicle: reduced suspension travel. When travel disappears, so do handling precision, ride comfort, and the ability for the suspension to keep the tires planted. Density Line Bump Stops are specifically designed to restore this lost performance while adding

034Motorsport - Density Line Bump Stops, Front, 38mm - Audi/Volkswagen PQ35/MQB - 034-403-Z005.

034Motorsport Density Line Bump Stops are engineered to solve one of the biggest drawbacks of lowering a vehicle: reduced suspension travel. When travel disappears, so do handling precision, ride comfort, and the ability for the suspension to keep the tires planted. Density Line Bump Stops are specifically designed to restore this lost performance while adding tuned, progressive control that factory or cut bump stops simply cannot provide.

034Motorsport Density Line Bump Stops

Engineered Travel. Tuned Control. Superior Comfort:

034Motorsport Density Line Bump Stops are built to address one of the most common issues that comes with lowering a vehicle: the loss of usable suspension travel. When the suspension runs out of room to move, the car's ability to handle precisely, ride comfortably, and maintain consistent tire contact all start to suffer. These bump stops are specifically designed to restore that performance by providing additional, carefully tuned suspension support. Their progressive characteristics manage impact forces smoothly, offering control and protection that factory or trimmed bump stops simply cannot deliver. The result is a more composed, predictable, and confident driving experience, especially on lowered setups that demand proper suspension geometry and travel management.

Why Suspension Travel Matters:

Lowered vehicles lose valuable suspension travel, which causes the suspension to reach the factory bump stop much sooner than intended. A bump stop is designed by the OEM as a final-stage buffer, essentially a rubber cushion that protects the shock and suspension components from bottoming out during extreme compression. In a stock-height vehicle, it is meant to engage only during hard impacts and serves as a safety and comfort device rather than a primary spring.

When the vehicle is lowered, that engineered clearance is reduced or eliminated. As a result, the shock engages the OEM bump stop far more often and under lighter loads than originally intended. This turns the bump stop into an unintended secondary spring, which restricts suspension movement, reduces the suspension's ability to absorb bumps, and prevents the tire from maintaining a consistent load. The outcome is a noticeable loss of ride quality, grip, and handling precision.

Lowered on OEM Bump Stops

  • The suspension stops absorbing bumps
  • The tire loses consistent load and grip
  • Handling becomes unpredictable
  • Ride quality becomes harsh and abrupt

Factory bump stops were never engineered for lowered ride heights, and cutting them only amplifies harshness.

Lowered on Density Line Bump Stops

  • Restores usable shock travel on lowered vehicles
  • Keeps the suspension operating in its intended range
  • Improves chassis balance and stability
  • Enhances comfort by allowing the shock, not the bump stop, to manage impacts

Result: A poised, controlled suspension that maintains grip and comfort instead of bottoming out.

Precision€‘Tuned Compression Rate:

Factory bump stops are designed for stock ride heights and spring rates, which means they often fall short when a vehicle is lowered. 034Motorsport Density Line Bump Stops are specifically engineered for lowered setups, particularly those running Dynamic+ Lowering Springs. Each bump stop is carefully shaped, sized, and density€‘matched to provide a progressive compression profile that acts like a miniature spring and damper. This allows for smooth, comfortable early travel while increasing firmness as the suspension approaches full compression. The result is controlled body motion, predictable handling, and improved ride quality without harshness.

Platform€‘Specific Engineering

Every Density Line Bump Stop is designed to match its specific chassis, ensuring optimal suspension performance. By utilizing vehicle-specific shapes and lengths, these bump stops restore suspension geometry and travel to near-factory levels, even after lowering. Their compression rate and progression are tuned to complement Dynamic+ Lowering Springs, maintaining handling balance while providing consistent, predictable performance. The optimized length and compression characteristics ensure the bump stop works seamlessly with the rest of the suspension, completing a fully engineered performance package rather than serving as a generic replacement.

Why Not Just Cut the Factory Bump Stop?

Cutting factory bump stops might seem like an easy fix, and people have been doing it for years. But every shortcut has a cost. Trimming might buy you a little travel, but it ruins the last phase of the carefully tuned suspension travel that keeps your suspension controlled and your ride composed. The result? Harsh bottom-outs, unpredictable handling, and a setup that never feels quite right.

034Motorsport Density Line Bump Stops are the right way to do it. Designed from the ground up for lowered vehicles, they deliver the full range of motion your suspension deserves, with smooth, progressive control that cut OEM stops simply can't match. More travel, more precision, no compromises.

Cut Factory Bump Stops

  • Not engineered for lowered ride heights
  • Harsh, abrupt engagement
  • Minimal tuning for compression or damping
  • Reduced comfort and poor control

Density Line Bump Stops

  • Engineered compression profile
  • Progressive and smooth engagement
  • Increased usable travel and improved control
  • Maintains stability under load
  • Dramatically improved ride comfort
  • Ideal complement to Dynamic+ Lowering Springs

Features:

  • Designed for Lowered Vehicles
  • Improve Handling and Comfort
  • A Perfect Match for 034Motorsport Dynamic+ Lowering Springs
  • Made from OEM Quality PUR (Polyurethane) Material
  • Reduced Height Helps to Maintain Full Suspension Movement on Lowered Vehicles:
    • OE Height: 55mm
    • 034 Height: 38mm
  • Increased Durometer Over OE for More Effective Compression Limiting Without Becoming Overly Harsh:
    • OE: 50A
    • 034: 55A

Part Number Interchange:

  • 1K0 412 303 F

What's Included:

  • 1 Pair - 034Motorsport Bump Stops

Fitment:

Make Model Years Chassis Engine
Audi RS3 8V 2.5 TFSI 2015-2017
Audi RS3 8V.5 2.5 TFSI EVO 2017-2022
Audi RS3 8Y 2.5 TFSI 2023-Present
Audi TT 8S 2.0T Gen 3 2016-2020
Audi TTS 8S 2.0T Gen 3 2016-2020
Audi TTRS 8S 2.5 TFSI EVO 2018-2022
VW Arteon I 2.0T Gen3 2019-2021
VW Arteon I.5 2.0T Gen4 2022-2024
VW CC B7 2.0 TSI 2009-2015
VW CC B7 3.6L VR6 FSI 2009-2015
VW e-Golf Mk7 €” 2015-2020
VW Golf Mk5 2.0 TSI 2006-2009
VW Golf Mk5 2.0T FSI 2006-2009
VW Golf Mk5 2.5L 2006-2009
VW Golf Mk6 2.0 TDI 2010-2014
VW Golf Mk6 2.5L 2010-2014
VW Golf Mk7/Mk7.5 Alltrack / 1.8T Gen3 2015-2020
VW Golf R Mk6 2.0 T FSI 2012-2013
VW Golf R Mk7/Mk7.5 2.0 TSI Gen 3 2015-2019
VW Golf R Mk8 2.0T Gen4 2021-Present
VW GTI Mk5 2.0 TSI 2008.5-2009
VW GTI Mk5 2.0T FSI 2006-2008
VW GTI Mk6 2.0 TSI 2010-2014
VW GTI Mk7/Mk7.5 2.0T Gen3 2015-2021
VW GTI Mk8 2.0T Gen4 2022-Present
VW Jetta Mk5 2.0 TDI 2005-2010
VW Jetta Mk5 2.5L 2005-2010
VW Jetta Mk6 1.4 TSI 2011-2017
VW Jetta Mk6 1.8T Gen3 2013-2017
VW Jetta Mk6 2.0 TSI 2011-2017
VW Jetta Mk6 2.0 TDI 2011-2015
VW Jetta Mk6 2.0L 8V 2011-2015
VW Jetta Mk6 2.0T Gen3 2011-2017
VW Jetta Mk6 2.5L 2011-2017
VW Passat B6 2.0 TSI 2006-2010
VW Passat B6 2.0T FSI 2006-2010
VW Passat B6 3.6L VR6 FSI 2006-2010


Note: For Audi vehicles equipped with internal front bump stops (Magride or DCC), only rear bumpstops will be used.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 68897822875

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 1604 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
K
Verified Purchase
Kellee McCormick
Belleville, US
★★★★★ 5
Fits 2005 325xi
Size: 2002-2005 E46
Snapped perfectly into place. Zero play with the fit and hood hinge still just as accessible as oe grille. No trimming required. If you’re sick of snapping your grille back in every time you lift the hood, buy it! I also have the colored grill inserts and they snap on perfectly with no play. https://a.co/d/3F83eFx
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2024
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
Fit is perfect and these have a very nice glossy finish
Size: 2002-2005 E46
Fit is perfect and these have a very nice glossy finish, which looks much better than the matte finish. As others have said, the driver's side grill lacks a cut out where the hood latch pull handle swings out when you need to lift the hood (compare the driver's side grill with the existing grill to see location and size of the cut out). I was able to cut an opening within 10 minutes and I haven't had any problems opening the hood since the installation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2018
C
Verified Purchase
Customer
Chelsea, US
★★★★★ 4
Nice Finish, Decent Fit
Size: 2002-2005 E46
The fitment isn't perfect like the OEM grilles, but overall I was satisfied. These are just slightly smaller than the originals so there is a little play once installed. No need to modify the LH side grille for clearance to the hood latch though as other reviews mention. It looks like the design has been revised to address that problem. I was impressed with the paint finish and there weren't any noticeable blemishes like dust or dirt in the paint. These are probably the best and cheapest gloss black kidney grilles for E46 that are currently available. OEM grilles w/ gloss black are basically discontinued so we're all stuck with aftermarket if you want the gloss black shadowline look.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2019
S
Verified Purchase
Steven J.
Boise, US
★★★★★ 5
loose fitment
Size: 2002-2005 E46
I guess it's a hit or miss with this. You either get perfect fitment or poor fitment like I did, after the install it's very loose.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 3, 2020
E
Verified Purchase
Erik
Carnegie, US
★★★★★ 1
Awful fitment, poor quality
Size: 2002-2005 E46
Although not oem quality was expected, but I never thought to throw them away either. Grills look very nice, outside quality is good. Unfortunately the grills do not fit to its place and slip just after you close the hood. After several tries to make them stay in place I have broken 2 clamps. Finally I have removed these grills and went on with OEM ones. Also, pay attention that you must drill a space for hood lock on the inner side (driver side grill does not have the factory space for hood lock handle).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2020

recommand products