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The EDGE Warranty

4 Year, 50,000 Mile
Included on Parts and Service

  • Suspension and chassis
  • Engine and cooling systems
  • Transmission and driveline
  • Electronics

More on Our Warranty

First Time?

New Customers
Free Courtesy Inspection
As a new EDGE Motorworks guest, we know we need to earn your trust and loyalty. What better way than to thoroughly inspect your car and deliver a report that covers its overall condition?


EDGE even has excellent tire mounting professionals. They got it done quickly over lunch and took care of my VERY EXPENSIVE wheels. High quality work!
Mike Monegan
Brought my new to me 2003 M3 track build and Anthony and the team have been awesome. From sorting out some misfiring to getting the car set up right for me as a driver. Very knowledgeable, no pressure sales and the responsiveness is top notch. Extremely happy with all the support the entire team is great! Thank you and if you are looking for a shop, I’d highly recommend Edge.
Bradley Estes
Professional, honest, knowledgeable.. that's all you can ask for in a shop. They did a great job with our 2018 mini fixing the sunroof, and performing the oil service and vehicle check.
Jeremy Lowe
Great service. Am waiting for an estimate to replace the water pump which will hopefully repair the coolant leak
Julie Sanchez
Great service and very friendly and responsive staff. I highly recommend this shop.
Eric Zhou

The “75k Mile List”

E36 3 Series (1992-1999, including M) Edition

After years of driving, racing and repairing BMWs, we have clearly identified the common problems and maintenance concerns that need to be addressed on nearly every middle-aged BMW. E36 3-series cars, like all BMWs, have specific areas that need to be inspected regularly, and buyers should require a pre-purchase inspection to verify the condition of these areas.

In this list, you will find items that should have been replaced or at least inspected by 75k-100k miles. Some are model specific and will be noted as such.

Areas of Concern:

Lower Control Arm Bushing Failure

Symptoms: Undesired front toe changes during cornering, vague and rubbery feel in steering, vibration while braking at freeway speeds. If you are experiencing any of these symptoms, you likely have a torn or cracked lower control arm bushing. Non-M bushings are commonly replaced with M3 bushings to increase performance with little to no change in comfort.

E36 3 Series 1992-1999 | EDGE Motorworks

Tie Rod Wear

Symptoms: Steering shimmy, clunking during steering input, inability to hold proper alignment. If any ball joint boot is cracked as indicated by grease coming out, it must be replaced. All components should also be checked for excessive play, and replaced if out of BMW spec.

Worn or Blown Shocks and Struts

Symptoms: Diving under braking and acceleration, excessive lean and suspension compression during cornering, bouncy and uncomfortable ride, shocks and struts visibly leaking shock oil. Factory BMW shocks work very well for 30k miles, but they quit by 60k miles. Because the deterioration is gradual, most BMW drivers hardly notice until the 60K mile mark. EDGE recommends replacing factory units with quality shocks from Koni whenever possible. When replacing shocks and struts, install lowering springs and adjust other areas of the suspension. You will be amazed at the difference a good set of shocks can make in both comfort and performance.

Worn or Failed Swaybar Endlinks

Symptoms: Metallic clicking noise and compromised handling. There is no critical danger in a failed swaybar endlink, but the handling of the car will be severely compromised. Ease of handling can be restored by simple replacement with new endlinks.

Torn Rear Trailing Arm Bushings (RTABs)

Symptoms: Car feels strange during cornering or excessive rear tire wear. Typical mileage for the RTAB replacement on E36 is approximately 40-50k. Failure to replace could lead to torn subframe and costly repairs. EDGE recommends replacement with factory units and RTAB limiting shims. The shims prevent excessive movement and can double the life of the bushing.

E36 3 Series 1992-1999 | EDGE Motorworks image #2E36 3 Series 1992-1999 | EDGE Motorworks image #3

Torn Rear Shock Mounts

Symptoms: Pronounced clunking sound during suspension movement, sloppy and erratic handling, excessive rear suspension play. Torn or damaged rear shock mounts can tear right through the trunk carpeting into the passenger cabin, so any of these symptoms should be attended to right away.

E36 3 Series 1992-1999 | EDGE Motorworks image #4

Torn Subframe and Subframe Bushings

Symptoms: Erratic handling, unidentified clunking and banging sounds from rear of the car. Torn subframe bushings can lead to subframe failure. Non-M 3-series cars do not have the subframe reinforcements built in, and thus tend to tear the mounting areas. This applies to racecars as well as street cars. This can be remedied with installation of the M3 reinforcement kit.

E36 3 Series 1992-1999 | EDGE Motorworks image #5E36 3 Series 1992-1999 | EDGE Motorworks image #6E36 3 Series 1992-1999 | EDGE Motorworks image #7

Torn or Cracked Transmission Mounts

Symptoms: Hard, notchy, forced shifting while cornering, excessive shifter jerk during hard acceleration and braking, muddy shifter feel. Torn transmission mounts can lead to the dreaded ‘money shift,’ or mechanical overrev and probable destruction of the car’s motor. Worn transmission mounts allow for an excess amount of transmission movement. Stock replacements are just okay—we recommend stronger aftermarket replacements..

Ripped or Failed Guibo

Symptoms: Loud clunking sound before acceleration as the guibo bolts bind together. A torn guibo (Flex Disc) results in perceivable drivetrain elasticity.

E36 3 Series 1992-1999 | EDGE Motorworks image #8E36 3 Series 1992-1999 | EDGE Motorworks image #9

Water Pump Failure

Symptom: Rapidly overheating motor. Water pump failure is the easiest way to cause extensive and expensive damage to your BMW. When the bearing or impeller on the stock pump breaks, it disables the cooling system and can result in a warped head or even more severe engine damage. If your temperature gauge climbs above the ¾ mark,  TURN THE CAR OFF IMMEDIATELY AND CALL A TOW TRUCK!!

To prevent water pump failure, we recommend changing out the water pump on  six cylinder  cars every 60-80k miles .

Cracked Radiator Necks

Symptom: Possible drastic drop in coolant level, possible overheating motor, but often no symptoms showing whatsoever. Unfortunately for BMW owners everywhere, the makers of this beautiful car love plastic radiators. These radiators become brittle and crack with age, particularly around the neck and often without warning. To prevent costly repairs or devastating damage, radiators should be replaced routinely every 80-100k miles. 

Cracked and Failed Thermostat Housings


Symptoms: Car running hot or cold.

For 6 cylinder cars only, the factory thermostat housing can eventually crack causing cooling system failure. Replacement with an aluminum housing, or with the new composite units every 60k miles will prevent problems. We also recommend replacing the thermostat while the housing is off.

All S50/52 and M50/52 thermostats should be replaced at the same interval of 60k miles. Sometimes they fail in the Open position (car runs cold) sometimes in the Closed position (car runs hot). If your temperature gauge climbs above the ¾ mark TURN THE CAR OFF IMMEDIATELY AND CALL A TOW TRUCK.

E36 3 Series 1992-1999 | EDGE Motorworks image #10

Fan Clutch Failure

Symptom: Fan clutch shows low resistance after driving (while the engine is still warm) when manually turning the fan clutch. Most fan clutches fail between 80k and 100k miles. They provide the primary cooling for your car and are easy for us to diagnose. If, after driving the car and while the engine is still warm, you do not feel a significant amount of resistance when trying to manually turn the fan clutch, we recommend immediate replacement.

Accessory Belt and Tensioner Failure

Symptoms: Squealing noise from the engine bay and/or cracks in the belts, temperature gauge rising above the ¾ mark. If a belt snaps, the cooling system will fail as the water pump ceases to operate. Power steering and alternator will also fail. If you suspect belt failure, TURN THE CAR OFF IMMEDIATELY AND CALL A TOW TRUCK.

E36 3 Series 1992-1999 | EDGE Motorworks image #11

Leaky Valve Cover Gasket

Symptom: Burning oil smell. Prevalent on all BMWs. If uncorrected, oil can seep into the spark plug holes and damage the ignition coils, resulting in costly replacement. Edge recommends replacing this inexpensive gasket when changing spark plugs as the coil packs will already be exposed.

O2 Sensor Failure

Symptoms: Poor mileage, poor idle and flat spots in the power curve. Even if your check engine light is on, your car may not be performing optimally. BMW recommends replacing the O2 sensors every 100k miles. Extended high-RPM running/racing and high-performance chips may shorten the replacement cycle.

Funky Window Regulators and Motors

Symptoms: Window in car jumps up and down, or one-touch feature fails. A mechanical inspection is needed in order to determine which part of the two parts needs replacement.

Clogged and Dirty Pollen Filter

Symptoms: Reduced flow of air from A/C or heater, and/or damp and musky smell. If either symptom is evident, it’s likely the pollen microfilter of your car has become dirty and clogged over time. This is a service II replacement item.

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