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BMW E31 850Ci M73 5.4L

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BMW E31 850Ci M73 5.4L Most Popular Parts

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Polyurethane Transmission Mount Set - 95A (Track - Green)

ES#3970752 - PTM-BT - Polyurethane Transmission Mount Set - 95A (Track - Green) - Significantly stiffer and stronger than OEM rubber. Noticeable increase in NVH. Excellent for enthusiastically driven street and track cars. - Revshift - BMW

Significantly stiffer and stronger than OEM rubber. Noticeable increase in NVH. Excellent for enthusiastically driven street and track cars.

Brand:
Revshift - Corporate Logo
ES#:
3970752
Mfg#:
PTM-BT
Ships in 3 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Special Tec B FE Engine Oil (5W-30) - 1 Liter

ES#4220227 - 20442 - Special Tec B FE Engine Oil (5W-30) - 1 Liter - Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption - Liqui-Moly - BMW MINI

Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4220227
Mfg#:
20442
In Stock
35% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$20.99

This product was last offered at the strikethrough price on
08-27-2026

$13.67 USD
Free Shipping
on orders $49 and up

Bremmen Performance Weighted Shift Knob

ES#4758722 - BRMSHIFTKNOB - Bremmen Performance Weighted Shift Knob - Upgrade or Replace Your Worn Out OE Shift Knob! - Bremmen Parts - BMW

Upgrade or Replace Your Worn Out OE Shift Knob! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758722
Mfg#:
BRMSHIFTKNOB
In Stock
ON SALE!
Starting at $41.65 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw Cap & Schwaben Removal Tool Kit

ES#3184755 - 16116762417KT - Screw Cap & Schwaben Removal Tool Kit - Repair and replace the fuel ring, do it correctly with this tool - Assembled By ECS - BMW MINI

Repair and replace the fuel ring, do it correctly with this tool 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184755
Mfg#:
16116762417KT
In Stock
ON SALE! SAVE 15%
$106.99

This product was last offered at the strikethrough price on
05-02-2026

$90.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly Oil Change Kit

ES#3470575 - M62OCIlmGKT - Liqui Moly Oil Change Kit - includes eight quarts of Liqui Moly MolyGen 5w-40 synthetic engine oil, Hengst oil filter and new drain plug - Assembled By ECS - BMW

includes eight quarts of Liqui Moly MolyGen 5w-40 synthetic engine oil, Hengst oil filter and new drain plug 10X Entries Into Our F80 M3 Sweepstakes
Next generation synthetic oil with up to 15% lower coefficient of friction. Glows green under UV light fo

Brand:
Assembled By ECS - Corporate Logo
ES#:
3470575
Mfg#:
M62OCILMGKT
In Stock
ON SALE!
$120.99

This product was last offered at the strikethrough price on
08-19-2026

$117.22 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Wheel Stud Conversion Kit - full Set

ES#2836725 - 001467ecs06kt - Wheel Stud Conversion Kit - full Set - Make wheel changes faster and easier, enough to convert both axles - ECS - BMW

Make wheel changes faster and easier, enough to convert both axles 10X Entries Into Our F80 M3 Sweepstakes
Ideal for vehicles with up to 30mm wheel spacers. May also be used with smaller spacers or without spacer

Brand:
ECS - Corporate Logo
ES#:
2836725
Mfg#:
001467ECS06KT
In Stock
ON SALE! SAVE 10%
$196.99

This product was last offered at the strikethrough price on
06-13-2026

$177.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

17" Style 5011 Wheels - Square Set Of Four

ES#4900195 - 5011-1-2KT - 17" Style 5011 Wheels - Square Set Of Four - 17x8 ET20 5x120 72.6CB - Black/Machined Lip With Silver Cover - Alzor - BMW

17x8 ET20 5x120 72.6CB - Black/Machined Lip With Silver Cover 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
4900195
Mfg#:
5011-1-2KT
In Stock
ON SALE! SAVE 25%
$1033.99

This product was last offered at the strikethrough price on
05-02-2026

$774.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Hub - Priced Each

ES#2575461 - 33411095774 - Rear Wheel Hub - Priced Each - Fits left and right side - Febi - BMW
ECS Tuning recommends this product.

Fits left and right side We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2575461
Mfg#:
33411095774
In Stock
$93.99

This product was last offered at the strikethrough price on
03-16-2026

$80.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Stud Conversion Kit - Full Set

ES#4413947 - PRA75CH5KT2 - Wheel Stud Conversion Kit - Full Set - Make wheel changes faster and easier, enough to convert both axles - ECS - BMW

Make wheel changes faster and easier, enough to convert both axles 10X Entries Into Our F80 M3 Sweepstakes
Ideal for vehicles with up to 15mm wheel spacers. May also be used with smaller spacers or without spacer

Brand:
ECS - Corporate Logo
ES#:
4413947
Mfg#:
PRA75CH5KT2
In Stock
ON SALE!
$196.99

This product was last offered at the strikethrough price on
06-13-2026

$187.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Fluid Flush Kit - Level 2

ES#4355842 - 007091ECS02KT5 - Brake Fluid Flush Kit - Level 2 - Includes a Schwaben European Pressure Bleeder & Catch Bottles, Schwaben Bleeder Wrench, and 710ml of OEM DOT4 brake fluid - Assembled By ECS - BMW MINI

Includes a Schwaben European Pressure Bleeder & Catch Bottles, Schwaben Bleeder Wrench, and 710ml of OEM DOT4 brake fluid 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4355842
Mfg#:
007091ECS02KT5
Ships on Sep 30, 2026
Auto Notify
ON SALE! SAVE 14%
$154.94

This product was last offered at the strikethrough price on
05-02-2026

$132.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Turner Weighted Shift Knob - 6 Speed

ES#4821139 - 025220TMS05-02 - Turner Weighted Shift Knob - 6 Speed - Finally a solid shift knob that doesn't burn your hand in the summer or chill you to your core on a cold winter day! A 340g weighted shift knob that feels great in the hand and helps get the crispy shifts you want! - Turner Motorsport - BMW

Finally a solid shift knob that doesn't burn your hand in the summer or chill you to your core on a cold winter day! A 340g weighted shift knob that feels great in the hand and helps get the crispy shifts you want! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4821139
Mfg#:
025220TMS05-02
In Stock
ON SALE! SAVE 25%
$101.99

This product was last offered at the strikethrough price on
06-13-2026

$76.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - Salmon Red

ES#31912 - 12631742690 - Relay - Salmon Red - Used in many places on late model BMWs - Genuine BMW - BMW MINI

Used in many places on late model BMWs

Brand:
Genuine BMW - Corporate Logo
ES#:
31912
Mfg#:
12631742690
In Stock
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$24.65

This product was last offered at the strikethrough price on
08-27-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt-on Wheel Spacer & Bolt Kit - 25mm

ES#3101028 - 1058ecs04-25BKT - Bolt-on Wheel Spacer & Bolt Kit - 25mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3101028
Mfg#:
1058ECS04-25BKT
Ships on Sep 29, 2026
Auto Notify
ON SALE!
$196.99

This product was last offered at the strikethrough price on
06-13-2026

$191.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Aluminum Coolant Bleeder Screw

ES#2739096 - 003530ECS01A - Heavy Duty Aluminum Coolant Bleeder Screw - Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! - ECS - BMW MINI

Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2739096
Mfg#:
003530ECS01A
In Stock
ON SALE! SAVE 25%
$35.99

This product was last offered at the strikethrough price on
06-13-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titanium Magnetic Oil Drain Plug - Priced Each (M12x1.5)

ES#3658488 - 026698TMS01-01 - Titanium Magnetic Oil Drain Plug - Priced Each (M12x1.5) - Attracts all the metal particles that would otherwise be circulating your engine! Includes one copper washer - Turner Motorsport - BMW MINI

Attracts all the metal particles that would otherwise be circulating your engine! Includes one copper washer 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3658488
Mfg#:
026698TMS01-01
In Stock
ON SALE! SAVE 25%
$56.99

This product was last offered at the strikethrough price on
06-13-2026

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Input Shaft Seal - Priced Each

ES#56246 - 33121213949 - Differential Input Shaft Seal - Priced Each - This is the seal for the pinion shaft - Genuine BMW - BMW

This is the seal for the pinion shaft

Brand:
Genuine BMW - Corporate Logo
ES#:
56246
Mfg#:
33121213949
In Stock
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$70.61

This product was last offered at the strikethrough price on
08-27-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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