How and why you should Winterize Your Porsche Boxster

12) Place Carpet Tiles Under Tires

Various Porsche owners use carpet pieces under tires in addition to adding more psi. This will further removes the risk of flat edges on your tires. Use two 2×2 carpet pieces (double layer). 

 I also use EZ-Flex Interlocking Recycled Rubber Floor Tiles for this purpose.

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13) Use a Fuel Additive or Stabilizer

Make sure to add a fuel stabiliser to your tank when preparing for winter car storage, because this will protect the gas tank and gas lines. For over 4 months of storage, you need to consider adding a fuel stabiliser such as STA-BIL. Make sure you let the car run for five minutes to allow the stabiliser to flow through the fuel system.

STA-BIL Storage Fuel Stabilizer - Keeps Fuel Fresh for 24 Months - Prevents Corrosion - Gasoline Treatment that Protects Fuel System - Fuel Saver - Treats 80 Gallons - 32 Fl. Oz. (22287)
  • Preserves Fuel - Keeps fuel fresh for up to 24 months so you can store the car you're not driving, keep outdoor power equipment fresh through the winter, or stock up on gasoline without worry
  • Prevents Corrosion - Maintains a healthy fuel system by ensuring that your engine and fuel components don't suffer from the breakdown of ethanol or non-ethanol blended fuels
  • Ensures Quick, Easy Starts - Helps you store any equipment or vehicle with confidence knowing that you'll be able to start it up smoothly without issue once you need it again!
  • Directions - Pour contents directly into the fuel tank before adding gasoline. Use 1 oz of STA-BIL Storage for every 2.5 gallons of gas. After adding the fuel, run the engine for 5 minutes to treat the entire fuel system
  • All STA-BIL branded products are good for use up to 2 years after the bottle was opened. Be sure to mark the date you opened the bottle on the back of your package!

14) Rodent Proof Your Boxster During Storage

Rodents love to find their way into your car and make it their cozy home when you winterize your Porsche Boxster. As a result, this can wreak havoc on your car if the rodents chew any wires. As a precaution, place a ball of steel wool in the exhaust pipe opening to prevent rodents from making a nest in your Porsche’s exhaust. Seal the air inlet, and place laundry fabric sheets inside the cabin and trunk.

Place bars of Irish Spring soap, mothballs, or mint leaves around the vehicle to repel mice and squirrels. Make sure to also close all air vents to keep critters out.

15) Keep it Dry

I save up any/all desiccant silica gel packs over the year (about 5 or 6) and place them in the vehicle so moisture will not build up.

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16) Do Not Engage the Parking Brake When you Winterize Your Porsche Boxster

When you Winterize Your Porsche Boxster, a common mistake is to engage your Parking brake. Put the car in gear and release your parking brake. Make sure to place wooden blocks or wheel chalks under the front and back of a tire to keep your Porsche in place.

17) Install a Battery Maintainer

A major concern when winterizing or storing a car for 6 months or so is the draining of the car battery. The car battery will eventually die due to parasitic draining.

Connect the battery to a battery maintainer (not a trickle charger) to charge your battery via your cigarette lighter, select the pulse maintaining mode which is made to charge the battery while storing your vehicle. It is recommended to use the CTEK 3300 at a minimum. Also, be sure to purchase the CTEK cigarette plug adaptor and to use the cigarette plug in the passenger side footwell (not the cigarette plug in the center console.)

The CTEK MXS 5.0 is Both a Battery Charger and Battery Maintainer

The CTEK smart chargers are state-of-the-art and act both as a battery charger and battery maintainer. This smart charger can work with 6 volt and 12 volt batteries (motorcycle, ATV, marine and car batteries.) Once the charger complete the first 7 stages of an 8 stage charge cycle, it going into a pulse pulse cycle that can be used indefinitely (for as long as is needed.)

Preview
OEM Option
Porsche Battery Maintainer 958-044-901-71
Best Value
CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
Upgrade Option
CTEK (56-353) MULTI US 7002 12-Volt Battery Charger,Black
Title
Porsche Battery Maintainer 958-044-901-71
CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
CTEK (56-353) MULTI US 7002 12-Volt Battery Charger,Black
Customer Rating
-
-
Reviews
91 Reviews
-
-
Price
$185.00
$94.95
$177.49
Amazon Prime
-
Amazon Prime
Amazon Prime
Charging Current
5A max
4.3A
7.2A
Input Volts
110V
110V
110V
Output Volts
Nominal:12V
Nominal:12V
Nominal:12V
Cigarette Adapter Included
Y
N
N
AGM Battery Support
8 Step Charging Curve
Porsche CTEK Charger uses a 7 step Charging Program (no RECOND Stage)
Desulfation Cycle
Power Supply Mode
Details
OEM Option
Preview
Porsche Battery Maintainer 958-044-901-71
Title
Porsche Battery Maintainer 958-044-901-71
Customer Rating
Reviews
91 Reviews
Price
$185.00
Amazon Prime
-
Charging Current
5A max
Input Volts
110V
Output Volts
Nominal:12V
Cigarette Adapter Included
Y
AGM Battery Support
8 Step Charging Curve
Porsche CTEK Charger uses a 7 step Charging Program (no RECOND Stage)
Desulfation Cycle
Power Supply Mode
Details
Best Value
Preview
CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
Title
CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V
Customer Rating
-
Reviews
-
Price
$94.95
Amazon Prime
Amazon Prime
Charging Current
4.3A
Input Volts
110V
Output Volts
Nominal:12V
Cigarette Adapter Included
N
AGM Battery Support
8 Step Charging Curve
Desulfation Cycle
Power Supply Mode
Details
Upgrade Option
Preview
CTEK (56-353) MULTI US 7002 12-Volt Battery Charger,Black
Title
CTEK (56-353) MULTI US 7002 12-Volt Battery Charger,Black
Customer Rating
-
Reviews
-
Price
$177.49
Amazon Prime
Amazon Prime
Charging Current
7.2A
Input Volts
110V
Output Volts
Nominal:12V
Cigarette Adapter Included
N
AGM Battery Support
8 Step Charging Curve
Desulfation Cycle
Power Supply Mode
Details
CTEK (56-304) Comfort Connect Extension Cable, 8.2 Feet
  • Item Package Dimension: 5.66L x 3.18W x 1.92H inches
  • Item Package Weight - 0.26 Pounds
  • Item Package Quantity - 1
  • Product Type - POWER CORD
Sale
CTEK (56-870) Comfort Indicator Cig Plug
  • Battery is charged through the vehicles 12-volt socket
CTEK (56-915) Black Bumper
  • Made of high-quality silicone rubber
  • Designed to protect both the charger and the paint
  • Also available in Pink sold separately
  • Made of high-quality silicon rubber

18) Wiper Blades

Prop your wiper arms off your windshield using blocks of wood or cardboard. This ensures that your wiper blades do not remain in contact with your windshield during storage. This keeps your wiper blade edges in top form.

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  • Fit type: Vehicle Specific

19) Windows

Lower your car windows very slightly (approximately 10mm or .5″.) This removes all pressure on the window seals. This will also promote air flow and reduces condensation. Only consider this if using a clean dry indoor storage location.

20) Cover

Protect your Boxster by covering it up. Use a good quality car cover to keep your paint finish safe from dirt and dust. An indoor cover for inside storage and an outdoor cover for outside storage. A high-quality tight fitting cover that will allow the car to breathe is a must.

21) Insurance while you Winterize Your Porsche Boxster

Those of us with newer vehicles may want to cancel the liability and collision portion of their insurance to save during the off-season. However, always maintain comprehensive (fire, theft and acts of god). Most classic car policies do not allow the option to temporarily suspend part of the coverage.

22) Do Not Start your Car, Wait until Spring

As tempting as it may be, do not start the vehicle until it is ready to come out of storage

A lot of people think starting a car every few weeks during winter storage is a good idea. But, unless you intend on taking the car for a good drive, simply letting it idle is actually detrimental to your car, because condensation will build through the various systems and not properly burn-off. Don’t be tempted to take it for a drive on a “nice winter day.” After all, you don’t want to go through the entire process again. The best policy is to let sleeping bears lay to rest. Absence makes the heart grow fonder and you will appreciate your beloved ride more when you finally get to bring it out of storage in the spring.

Originally Published December 19, 2018 1:32 pm

Other Articles of Interest

Car Storage FAQ

How do I prepare my car for winter storage?

1) Prepare Your Garage
2) Thoroughly Clean Your Wheels & Rims
3) Seal Your Rims with Wheel Wax
4) Wash Your Porsche Inside & Out
5) Make sure to clean and condition all your car’s interior leather.
6) Condition all Rubber and Plastic Items
7) Change Your Engine Oil and Filter before you Winterize Your Porsche Boxster
8) Top Off All Fluids
9) Ensure minimum Coolant Protection Coverage
10) Set Tire Pressure
11) Gas (full tank)
12) Place Carpet Tiles Under Tires
13) Use a Fuel Additive or Stabilizer
14) Rodent Proof Your Boxster During Storage
15) Keep it Dry
16) Do Not Engage the Parking Brake When you Winterize Your Porsche Boxster
17) Install a Battery Maintainer
18) Wiper Blades
19) Windows
20) Cover
21) Insurance while you Winterize Your Porsche Boxster
22) Do Not Start your Car, Wait until Spring

Is Porsche Boxster good in snow?

The Porsche Boxster weighs under 3000 lbs ( <1370 kg). Even with full sport snow tires on, the Boxster will have issues with traction. Your primary concern should be the road salt that is associated with snow covered roads, as this can do serious damage to your Boxster.

Can you drive a Porsche Boxster in the winter?

Even with full sport snow tires on, the Boxster will have issues with traction. The Porsche Boxster weighs under 3000 lbs ( <1370 kg). Your primary concern should be the road salt that is associated with snow covered roads, as this can do serious damage to your Boxster.

Why should you Winterize your Porsche Boxster?

It is not recommended to drive your Boxster in the snow. You should keep your car as far away from the dreaded white stuff as possible, and by the dreaded white stuff, I mean SALT!

Should I start my Boxster with in Storage?

A lot of people think starting a car every few weeks during winter storage is a good idea. But, unless you intend on taking the car for a good drive, simply letting it idle is actually detrimental to your car, because condensation will build through the various systems and not properly burn-off. Don’t be tempted to take it for a drive on a “nice winter day.”

Last update on 2024-07-12 / Affiliate links / Images from Amazon Product Advertising API

2 thoughts on “How and why you should Winterize Your Porsche Boxster”

  1. I think this is a very comprehensive list of “Things to do” before storing your Porsche. A couple of the things I had not thought of. Good reminders on all the tips. Thanks for the heads up.

  2. Well, Porsche is a luxury car representing the German automotive industry. That does not mean, you will take its winter aftercare steps for granted. Obviously not. Like other automobiles, it is an automobile. So, keeping it winterized all along the Jack Frost is a must. You have to follow the same procedure for the winterization of Porsche. You need to check windshield wipers, antifreeze, battery, tires, brakes, and other electrical stuffs to winter-proof your speedster. Hiring a car-geek will come advantageous during the execution of the maintenance commotions.

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